Browse product groups:

2025 Trek Top Fuel 9 Gen 4 Bike

9 buff 01.png?VersionId= VTP tG35
9 buff 01.png?VersionId=
9 buff 02
9 juniper 01.png?VersionId=kYGDeT9uzTmF
9 juniper 02.png?VersionId=NYt7hyrgoFW9yg8Sabvy
9 detail 01.png?VersionId=zdepCEq9zKLengAt3iz4zk3Q
9 detail 02.png?VersionId=dNpu
mino.png?VersionId=iYGM0mWMgVe78y4.u727XwQyIc
storage
9 buff 01.png?VersionId= VTP tG35 9 buff 02 9 juniper 01 9 juniper 02.png?VersionId=PPTzQ1pD 9 detail 01 9 detail 02 mino storage
Related:
Trek
Where To Buy
Free standard shipping on all bikes (continental U.S. only).
Flat rate shipping to Hawaii and Alaska.
Free standard shipping on all bikes (continental U.S. only).
Flat rate shipping to Hawaii and Alaska.
$3,999.99
Fuel EX 8 Gen 6
$3,999.99
Top Fuel 7
$3,129.99
Slash 9.7 Gen 5
$4,249.99
FX 1 Disc
$599.99
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.

Specifications

Product
Trek Top Fuel 9 Gen 4 Bike
Model Year
2025
Riding Type
Cross Country
Trail
Rider
Unisex
Sizes and Geometry
SM (High, Low)
MD (High, Low)
ML (High, Low)
LG (High, Low)
XL (High, Low)
Wheel Size
27.5" (650b)
29"
Frame Material
Aluminum
Frame Material Details
Alpha Platinum alloy, OCLV Next rocker link, molded chainstay protection, bolt-on dual-density down tube guard
Rear Travel
120mm
Rear Shock
FOX FLOAT DPS Performance, 2-position compression lever, 185mm length x 50mm stroke
Fork
FOX FLOAT 34 Rhythm, EVOL, GRIP damper, 44mm offset, Kabolt thru-axle
Fork Travel
130mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
 
Handlebar
Bontrager Line, alloy, 780mm width, 27.5mm rise, 35mm clamp diameter
Stem
Bontrager Elite, 45mm length, 0° rise, 35mm bar clamp
Grips
Bontrager XR Trail Comp, nylon lock-on
Brakes
SRAM Level Bronze, 4-piston, SRAM CenterLine 180mm 6-bolt rotors
Brake Levers
SRAM Level Bronze Stealth, tool-free reach adjust
Drivetrain
1x
Shifters
SRAM Eagle Pod Controller, 12-speed, AXS electronic wireless
Front Derailleur
None
Rear Derailleur
SRAM GX Eagle Transmission, 12-speed, AXS electronic wireless
ISCG Tabs
ISCG05 front two bolts
Chainguide
None
Cranks
SRAM GX Eagle Transmission Alloy DUB, 170mm length
Chainrings
SRAM GX Eagle Transmission, 30 tooth
Bottom Bracket
SRAM DUB MTB Wide, 73mm English/BSA threaded
Pedals
None
Chain
SRAM GX Eagle Transmission Flattop, 12-speed
Cassette
SRAM GX Eagle Transmission XS-1275, 12-speed, 10-52 tooth
Rims
Bontrager Line Comp 30, high strength 6000 Series alloy, tubeless ready
Hubs
Bontrager Line Comp wheelset, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with Rapid Drive 108 freehub and XD driver
Spokes
Bontrager Line Comp wheelset
Tires
Bontrager Gunnison Pro XR, wire (SM) or aramid (MD-XL) bead, 60 TPI, tubeless ready, 2.4"
Saddle
Bontrager Verse Short Comp, steel rails, 145mm width
Seatpost
Bontrager Line dropper, MaxFlow
Drop: 100mm (SM), 170mm (MD-XL)
Seatpost Diameter
34.9mm
Seatpost Clamp
Single bolt
Rear Dropout / Hub Dimensions
12mm x 148mm (Boost)
Max. Tire Size
2.5"
Bottle Cage Mounts
One inside front triangle
Colors
Buff Beige, Juniper
Warranty
Lifetime frame; 2 years Trek/Bontrager parts, suspension linkage components, and paint/decals
Weight
 
Miscellaneous
• ABP (Active Braking Pivot) rear suspension design
• SM has 27.5" wheels; MD-XL have 29" wheels
• Geometry (High/Low) and rear suspension leverage rate (More/Less progressive) adjustable via Mino Link 4 flip chip in lower shock mount
• All sizes compatible with mixed ("Mullet") setups (29" front, 27.5" rear) by using 140mm travel fork and Mino Link 4 flip chip in High position
• Internal frame storage compartment in down tube; includes Bontrager BITS storage bag
• Guided internal cable routing
• SRAM UDH (Universal Derailleur Hanger)
• Convertible to 130mm rear travel with longer-stroke shocks
• Frame weight, size MD: 8.2 lb (3700 g)
• Includes Bontrager TLR tubeless rim strips, sealant, and valves
• Includes SRAM AXS PowerPack battery charger
Price
$4,799.99
More Info

Trek website

Review This Product
What do you think?
Where To Buy
Free standard shipping on all bikes (continental U.S. only).
Flat rate shipping to Hawaii and Alaska.
Free standard shipping on all bikes (continental U.S. only).
Flat rate shipping to Hawaii and Alaska.
$3,999.99
Fuel EX 8 Gen 6
$3,999.99
Top Fuel 7
$3,129.99
Slash 9.7 Gen 5
$4,249.99
FX 1 Disc
$599.99
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Bikes