MTB Tech Rumors and Innovation

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veefour
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581
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7/31/2016
Location
Cinderford GB
11/4/2023 10:32am Edited Date/Time 11/4/2023 10:33am
t.odd wrote:

wait, now did I misread your post or was it edited?! was still trying to get that first coffee of the day into me! hahah

Yes, I think you may have misunderstood, haha, all good.

1
11/4/2023 6:03pm
You can't have a mechanical T type because the shift would be instantaneous, it has to have a delay in order for it to shift correctly. ...

You can't have a mechanical T type because the shift would be instantaneous, it has to have a delay in order for it to shift correctly. 

If you tried dumping 4 gears the cable would pull or release the mech across the cassette. 

 

T type goes in steps 

I reckon if they're running with the T-type cassette (narrow wide profile and whatnot), using a mechanical mech, they will mandate a single-click shifter which physically slows down your shifts, giving you that T-type effect. I have a hunch that the cassette and chain are nothing really special on T-type and all the shift quality benefits are just from the electronic timing. I'd love to see somebody compare the shift quality of just 1 downshift of transmission and XTR (making the electric features irrelevant), HG+ might just be smoother!

AndehM
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215
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Location
El Granada, CA US
11/4/2023 6:18pm

I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and cassette, more force from the derailleur, and a refined ramp pattern.  When you queue up multiple shifts, you immediately hear the bzzt bzzt bzzt of the derailleur moving, then the chain works it's way up/down the cassette.  If it knew where the ramps were, you'd click click click, then it would break up the bzzt as gears changed.  XTR shifting in my experience is quicker if you time shifts.  T-Type (I have on an ebike and enduro bike) doesn't really care about timing.  Just hit shift and it will shift whenever it can.  Occasionally a little bit louder if there's a ton of load, but I've completely stopped caring about timing shifts and never had a single bad shift.

18
3
11/6/2023 5:29am

So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just an update for the older X-Dome style cassettes. I haven't tried putting a T-Type derailleur on an older cassette yet. Theoretically, it could work, not sure if the lack of limit adjustments would line up though. 

1
TimBud
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398
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Location
GB
11/6/2023 6:05am

Works nicely in the stand with XTR.

IMG 8581
Just had to tune the ‘indexing’

19
Dave_Camp
Posts
371
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8/25/2009
Location
CO US
11/6/2023 7:33am
jsray wrote:
Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there...

Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there. What they need is externally adjustable HBO. The new RS SD coil for a 1/3 of the price is significantly better than any of the 11/6 I owned on several different bikes over the years. 

This makes me very happy.

 

I doubt push can complete at a lower price.  Not discarding their engineering but it’s just impossible without the volume that RS does.  

8
sspomer
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Location
Boise, ID US
11/6/2023 7:52am Edited Date/Time 11/6/2023 7:53am
AndehM wrote:
I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and...

I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and cassette, more force from the derailleur, and a refined ramp pattern.  When you queue up multiple shifts, you immediately hear the bzzt bzzt bzzt of the derailleur moving, then the chain works it's way up/down the cassette.  If it knew where the ramps were, you'd click click click, then it would break up the bzzt as gears changed.  XTR shifting in my experience is quicker if you time shifts.  T-Type (I have on an ebike and enduro bike) doesn't really care about timing.  Just hit shift and it will shift whenever it can.  Occasionally a little bit louder if there's a ton of load, but I've completely stopped caring about timing shifts and never had a single bad shift.

in our transmission review i shift both old axs and transmission derailleurs off the bike. transmission is timed electronically (not saying it's "smart", just has a slower timing...i hit the shift button quickly but the transmission derailleur takes its time). "old" axs goes as fast as you can hit the button basically. watch it here - https://youtu.be/ooilfJ2SEiQ?si=e7_AJHjletQQbkzn&t=691

6
Tanner_Carl
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144
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11/2/2018
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Bumfuck, WI US
11/6/2023 8:04am
Javigutz wrote:

Fox already owns Easton.

jonrides wrote:

Fox owns Easton Cycling.   The other divisions were sold off separately.   I think Rawlings might own Easton Baseball at this point.

you're right, I looked up the different Easton divisions immediately after posting my comment #MondayMorningShitPosting

2
11/6/2023 8:22am Edited Date/Time 11/6/2023 8:36am
AndehM wrote:
I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and...

I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and cassette, more force from the derailleur, and a refined ramp pattern.  When you queue up multiple shifts, you immediately hear the bzzt bzzt bzzt of the derailleur moving, then the chain works it's way up/down the cassette.  If it knew where the ramps were, you'd click click click, then it would break up the bzzt as gears changed.  XTR shifting in my experience is quicker if you time shifts.  T-Type (I have on an ebike and enduro bike) doesn't really care about timing.  Just hit shift and it will shift whenever it can.  Occasionally a little bit louder if there's a ton of load, but I've completely stopped caring about timing shifts and never had a single bad shift.

Correct, the system is not aware of where the shifting ramps are. The "electronic timing" you hear talk about is just a delay introduced when you try to shift more than 2 gears in rapid succession. The derailleur will physically move for the first 2 clicks, putting sideways pressure on the chain which will then shift on the cassette when it encounters the shift ramps. As soon as the derailleur knows that it has moved for those first shifts, it will then initiate the remaining shifts (however many clicks you hit). This helps avoid any excessive side loads on the derailleur. As for the shifting quality, GX Transmission is one of the smoothest out there, there will be the occasional noise of the chain clunking off the teeth as it leaves a cog, but for the most part it's quiet. A perfectly tuned XTR drivetrain may still have the upper hand in terms of absolute smoothness in all circumstances, but we're splitting hairs now. Both are very very good, including when shifting under load.

11
dolface
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CA US
11/6/2023 8:22am
So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just...

So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just an update for the older X-Dome style cassettes. I haven't tried putting a T-Type derailleur on an older cassette yet. Theoretically, it could work, not sure if the lack of limit adjustments would line up though. 

t-type-patent.jpeg?VersionId=sZNfm9nNlepfYJyqjjonur3bDYSCw

9
WhoKnows
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Location
Los Gatos, CA US
11/6/2023 10:23am
So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just...

So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just an update for the older X-Dome style cassettes. I haven't tried putting a T-Type derailleur on an older cassette yet. Theoretically, it could work, not sure if the lack of limit adjustments would line up though. 

dolface wrote:

t-type-patent.jpeg?VersionId=sZNfm9nNlepfYJyqjjonur3bDYSCw

I think it would be incredibly hard to get the shift ramps and tensions perfect with the older cassette system. The transmission has move shift ramps and deeper channels as well. 

11/6/2023 10:53am

Also, looks like Suntour has a new Rux. Different graphics, drop crown, offset looks different too maybe. 

Screenshot 2023-11-07 075128.png?VersionId=llYjVkDW.EXIMLPDlO 76iPOV7

9
metadave
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CA
11/6/2023 11:15am
Also, looks like Suntour has a new Rux. Different graphics, drop crown, offset looks different too maybe. 

Also, looks like Suntour has a new Rux. Different graphics, drop crown, offset looks different too maybe. 

Screenshot 2023-11-07 075128.png?VersionId=llYjVkDW.EXIMLPDlO 76iPOV7

Has anyone on here actually ridden a Rux? I feel like I need a real life, non website review of it. Seems like and sleeper and at the same time, not one.

3
1
nsp234
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60
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9/15/2016
Location
CH
11/6/2023 11:34am
So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just...

So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just an update for the older X-Dome style cassettes. I haven't tried putting a T-Type derailleur on an older cassette yet. Theoretically, it could work, not sure if the lack of limit adjustments would line up though. 

dolface wrote:

t-type-patent.jpeg?VersionId=sZNfm9nNlepfYJyqjjonur3bDYSCw

I just can't imagine SRAM not doing a cable actuated transmission at some point. Small engineering effort vs. large market volume should make this a no-brainer. Would be a bold move to drop all the lower end market and some OEM deals along with it?

2
Primoz
Posts
3686
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8/1/2009
Location
SI
11/6/2023 1:21pm
AndehM wrote:
I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and...

I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and cassette, more force from the derailleur, and a refined ramp pattern.  When you queue up multiple shifts, you immediately hear the bzzt bzzt bzzt of the derailleur moving, then the chain works it's way up/down the cassette.  If it knew where the ramps were, you'd click click click, then it would break up the bzzt as gears changed.  XTR shifting in my experience is quicker if you time shifts.  T-Type (I have on an ebike and enduro bike) doesn't really care about timing.  Just hit shift and it will shift whenever it can.  Occasionally a little bit louder if there's a ton of load, but I've completely stopped caring about timing shifts and never had a single bad shift.

iceman2058 wrote:
Correct, the system is not aware of where the shifting ramps are. The "electronic timing" you hear talk about is just a delay introduced when you...

Correct, the system is not aware of where the shifting ramps are. The "electronic timing" you hear talk about is just a delay introduced when you try to shift more than 2 gears in rapid succession. The derailleur will physically move for the first 2 clicks, putting sideways pressure on the chain which will then shift on the cassette when it encounters the shift ramps. As soon as the derailleur knows that it has moved for those first shifts, it will then initiate the remaining shifts (however many clicks you hit). This helps avoid any excessive side loads on the derailleur. As for the shifting quality, GX Transmission is one of the smoothest out there, there will be the occasional noise of the chain clunking off the teeth as it leaves a cog, but for the most part it's quiet. A perfectly tuned XTR drivetrain may still have the upper hand in terms of absolute smoothness in all circumstances, but we're splitting hairs now. Both are very very good, including when shifting under load.

FWIW, I'm running a Garbaruk cassette (10-52) on a cable actuated X01 derailleur (new). Compared to my full X01 setup from before (10-50, 2019), even with a cassette that's done 350k vertical meters of climbing, pulling the shifter lever over 2 or 3 gears makes the cassette very unhappy and I've had instances where the chain was 'dropped' to the smaller cogs instead of pulled up into easier gears. This is not something that happened ont he X01 cassette.

Shifting on the Garbaruk cassette is then worse on the extremes, but as long as you take time and shift gear per gear, it's all good. Should have gone for the single click eBike shifter and it would be all good.

Primoz
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SI
11/6/2023 1:23pm Edited Date/Time 11/6/2023 1:24pm
So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just...

So far we haven't seen any renderings of the mechanical direct mount derailleur with a cassette. I'd bet that the "direct mount transmission" is really just an update for the older X-Dome style cassettes. I haven't tried putting a T-Type derailleur on an older cassette yet. Theoretically, it could work, not sure if the lack of limit adjustments would line up though. 

dolface wrote:

t-type-patent.jpeg?VersionId=sZNfm9nNlepfYJyqjjonur3bDYSCw

This looks very much like the Eagle cable actuated derailleurs with the (3D model) part for the knuckle replaced to be direct mount. Is it possible these were made before the first AXS Eagle derailleur was shown and was a placeholder or a mockup for the patent application? I wouldn't read too much into it to be honest.

EDIT: upon closer inspection, looks like the old 500 % X01 derailleur and the 10-50T X01 cassette, so very likely pre-AXS.

2
Zuestman
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161
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10/27/2014
Location
Seattle, WA US
11/6/2023 1:47pm
AndehM wrote:
I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and...

I'm pretty certain that Transmission doesn't "know" anything about position of ramp cogs.  The system has a stiffer chain, more precise alignment between the derailleur and cassette, more force from the derailleur, and a refined ramp pattern.  When you queue up multiple shifts, you immediately hear the bzzt bzzt bzzt of the derailleur moving, then the chain works it's way up/down the cassette.  If it knew where the ramps were, you'd click click click, then it would break up the bzzt as gears changed.  XTR shifting in my experience is quicker if you time shifts.  T-Type (I have on an ebike and enduro bike) doesn't really care about timing.  Just hit shift and it will shift whenever it can.  Occasionally a little bit louder if there's a ton of load, but I've completely stopped caring about timing shifts and never had a single bad shift.

iceman2058 wrote:
Correct, the system is not aware of where the shifting ramps are. The "electronic timing" you hear talk about is just a delay introduced when you...

Correct, the system is not aware of where the shifting ramps are. The "electronic timing" you hear talk about is just a delay introduced when you try to shift more than 2 gears in rapid succession. The derailleur will physically move for the first 2 clicks, putting sideways pressure on the chain which will then shift on the cassette when it encounters the shift ramps. As soon as the derailleur knows that it has moved for those first shifts, it will then initiate the remaining shifts (however many clicks you hit). This helps avoid any excessive side loads on the derailleur. As for the shifting quality, GX Transmission is one of the smoothest out there, there will be the occasional noise of the chain clunking off the teeth as it leaves a cog, but for the most part it's quiet. A perfectly tuned XTR drivetrain may still have the upper hand in terms of absolute smoothness in all circumstances, but we're splitting hairs now. Both are very very good, including when shifting under load.

this is key.  Shifting has more to do with shift ramps and chain profile than it does with the RD.  The RD put the chain in the correct place, repeatedely, and is stiff enough to hold it there.

The cassette chist ramps and the chain stiffness and design are what interact to actually shift a chain.  This is why shimano owns SO MANY patents on cassette/ring design and chain deisgn.  that is the key to quality shifting.  A great RD is key to reliable, repeatable quality shifting.

In this case it should be easy for SRAM to make a cable transmission (and i am sure they will).  Make an RD that works with the chain, works with UDH, and is at a lower price point and should be good to go.  Its getting the price of the cassette and the chain down that will be key to the lower price point.

9
ERGue
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47
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Location
Sedro Woolley, WA US
11/6/2023 4:03pm
What's this shock? I'm not familiar with it. 

What's this shock? I'm not familiar with it. Screenshot 2023-11-03 154514

jsray wrote:
Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there...

Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there. What they need is externally adjustable HBO. The new RS SD coil for a 1/3 of the price is significantly better than any of the 11/6 I owned on several different bikes over the years. 

Push would do themselves a favor if they made a "single overhead" shock with a climb switch at a lower price point. I think the two sets of valving sounds good on paper but most people get confident with how one set of valving works for all types of gravity trails and end up using the other set as a climb mode anyway. 

9
jsray
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Location
Gilbert, AZ US
11/6/2023 7:03pm
What's this shock? I'm not familiar with it. 

What's this shock? I'm not familiar with it. Screenshot 2023-11-03 154514

jsray wrote:
Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there...

Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there. What they need is externally adjustable HBO. The new RS SD coil for a 1/3 of the price is significantly better than any of the 11/6 I owned on several different bikes over the years. 

ERGue wrote:
Push would do themselves a favor if they made a "single overhead" shock with a climb switch at a lower price point. I think the two...

Push would do themselves a favor if they made a "single overhead" shock with a climb switch at a lower price point. I think the two sets of valving sounds good on paper but most people get confident with how one set of valving works for all types of gravity trails and end up using the other set as a climb mode anyway. 

Sadly, the lower price point is still going to ruffle a lot of feathers. I’d like to place my bet now at $850, before shipping and taxes. 

3
11/6/2023 9:01pm Edited Date/Time 11/6/2023 9:10pm
jsray wrote:
Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there...

Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there. What they need is externally adjustable HBO. The new RS SD coil for a 1/3 of the price is significantly better than any of the 11/6 I owned on several different bikes over the years. 

The RS is significantly better than a Push? I agree the RS is a much better value, and for the right use case, arguably a better shock. But "significantly better"? You must be riding like Loic Bruni to feel that much difference in two excellent shocks. 

Ready to get flamed for not saying Rockshox is the best at everything.

3
gbcoke
Posts
76
Joined
1/6/2016
Location
US
11/6/2023 10:18pm

Had an Ext E-storia,X2 factorty,Sd coil ult and an DHX2 on my Evil Epocalypse.

Tried a Push and never looked back,far superior feel and control on this bike compared to the rest.

Only thing is I really dont use the 2 different circuits and dont mind if it had only one and save some $$

2
yetipowder
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7
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10/7/2019
Location
Philadelphia, PA US
11/6/2023 10:37pm

Not gonna sit here and wax poetic about all of RS product range, but I do agree the SD Ult coil is a fabulous shock. Been absolutely bomber on my status and feels like the dials make real usable /noticeable changes 

4
11/6/2023 11:21pm
ERGue wrote:
Push would do themselves a favor if they made a "single overhead" shock with a climb switch at a lower price point. I think the two...

Push would do themselves a favor if they made a "single overhead" shock with a climb switch at a lower price point. I think the two sets of valving sounds good on paper but most people get confident with how one set of valving works for all types of gravity trails and end up using the other set as a climb mode anyway. 

There is no fancy engineering or anything special about a Push shock really besides it just being well made and some nice CNC work. The secret sauce is in the fact that it is basically custom tuned for the bike and rider. At the end of the day, without the tuning, the RS SD and the Push are almost the same. 

I do think there is scope for push to do a simpler shock that is still tuned to the rider and bike, that would be a better solution to the majority of riders. Whether Push can make that work for them financially is a different story?

I'm interested to see how their fork rides personally, THAT looks like some engineering has been put to work there!

7
NicoZesty96
Posts
399
Joined
8/21/2014
Location
portogruaro, VE IT
11/7/2023 12:13am
yetipowder wrote:
Not gonna sit here and wax poetic about all of RS product range, but I do agree the SD Ult coil is a fabulous shock. Been...

Not gonna sit here and wax poetic about all of RS product range, but I do agree the SD Ult coil is a fabulous shock. Been absolutely bomber on my status and feels like the dials make real usable /noticeable changes 

just because you have just 4 actual click to choose from doesn't make all the clicks on fox, cane creek or push useless, or not working.

regardless

 

new V10.8 just released

 

4
NicoZesty96
Posts
399
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8/21/2014
Location
portogruaro, VE IT
11/7/2023 12:15am
ERGue wrote:
Push would do themselves a favor if they made a "single overhead" shock with a climb switch at a lower price point. I think the two...

Push would do themselves a favor if they made a "single overhead" shock with a climb switch at a lower price point. I think the two sets of valving sounds good on paper but most people get confident with how one set of valving works for all types of gravity trails and end up using the other set as a climb mode anyway. 

There is no fancy engineering or anything special about a Push shock really besides it just being well made and some nice CNC work. The secret...

There is no fancy engineering or anything special about a Push shock really besides it just being well made and some nice CNC work. The secret sauce is in the fact that it is basically custom tuned for the bike and rider. At the end of the day, without the tuning, the RS SD and the Push are almost the same. 

I do think there is scope for push to do a simpler shock that is still tuned to the rider and bike, that would be a better solution to the majority of riders. Whether Push can make that work for them financially is a different story?

I'm interested to see how their fork rides personally, THAT looks like some engineering has been put to work there!

although they could've spend some more time on the stanchion protection, for example the one custom made by Rulezman for the intend forks are way better and more protective, curious to see how crazy expensive that fork will be tho

2
jsray
Posts
162
Joined
5/20/2017
Location
Gilbert, AZ US
11/7/2023 5:53am
jsray wrote:
Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there...

Maybe they’re doing a budget shock. Doesn’t have the same shock body as the 11/6. Looks like LSC only on the top of the reservoir there. What they need is externally adjustable HBO. The new RS SD coil for a 1/3 of the price is significantly better than any of the 11/6 I owned on several different bikes over the years. 

The RS is significantly better than a Push? I agree the RS is a much better value, and for the right use case, arguably a better...

The RS is significantly better than a Push? I agree the RS is a much better value, and for the right use case, arguably a better shock. But "significantly better"? You must be riding like Loic Bruni to feel that much difference in two excellent shocks. 

Ready to get flamed for not saying Rockshox is the best at everything.

Performance, price, availability, service, and even the used market. I had push on an offering v1, sb130, mullet Bronson, enduro, scout, offering v2, and SJ Evo. On all of those bikes I also tried X2, prev ver SD air, dhx and dhx2. Once the new SD coil came out I had it on a sentinel, SJ evo, and now forbidden Druid v2. Any time I get a new bike or new suspension component I take my time setting it up, different springs, and bracketing on the same trail. If I can, I bring multiple shocks to the trail and swap them in the parking lot for back to back runs. I’d take the SD ult coil for $600 delivered and spend the other $1000 on anything else. 
 

not to derail the forum too much, but to defend my statement a little bit. 

8
11/7/2023 6:32am Edited Date/Time 11/7/2023 6:32am
jsray wrote:
Performance, price, availability, service, and even the used market. I had push on an offering v1, sb130, mullet Bronson, enduro, scout, offering v2, and SJ Evo...

Performance, price, availability, service, and even the used market. I had push on an offering v1, sb130, mullet Bronson, enduro, scout, offering v2, and SJ Evo. On all of those bikes I also tried X2, prev ver SD air, dhx and dhx2. Once the new SD coil came out I had it on a sentinel, SJ evo, and now forbidden Druid v2. Any time I get a new bike or new suspension component I take my time setting it up, different springs, and bracketing on the same trail. If I can, I bring multiple shocks to the trail and swap them in the parking lot for back to back runs. I’d take the SD ult coil for $600 delivered and spend the other $1000 on anything else. 
 

not to derail the forum too much, but to defend my statement a little bit. 

Sure, if you’re talking about value then I don’t think there’s much of an argument but that’s not how it came off when you said “significantly better”.

Given your history I’m still a bit surprised. In my experience when it comes to comparing a Push, DHX2 or any other high performing shock, it’s the tune that makes one feel “significantly better” than another. They are all great hardware but a shit tune is going to feel like shit. 


Sorry but I get tired of people saying one brand is way better than another when they both offer top tier stuff. Typically it’s the less experienced who do this though. 

2

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