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2021 Rocky Mountain Thunderbolt Alloy 30 Bike
(discontinued)

Discontinued
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Related:
Rocky Mountain
Where To Buy
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
Rocky Mountain Thunderbolt Alloy 30 Bike
Model Year
2021
Riding Type
Trail
Enduro / All-Mountain
Rider
Unisex
Sizes and Geometry
XS (Slackest, Steepest)
SM (Slackest, Steepest)
MD (Slackest, Steepest)
LG (Slackest, Steepest)
XL (Slackest, Steepest)
Wheel Size
27.5" (650b)
Frame Material
Aluminum
Frame Material Details
FORM alloy; molded chainstay and down tube protection
Rear Travel
140mm
Rear Shock
RockShox Deluxe Select+, size-specific tune, 210mm x 55mm
Fork
RockShox Recon Gold RL, 37mm offset
Fork Travel
150mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
FSA Orbit No.57E
Handlebar
Rocky Mountain AM, 780mm width, 9° backsweep, 5° upsweep, 31.8mm clamp diameter, 25mm rise
Stem
Rocky Mountain 31.8 AM, 5° rise, 40mm length, 31.8mm bar clamp
Grips
Rocky Mountain Light, lock-on
Brakes
Shimano MT4100, 2-piston, resin pads, Shimano RT54 180mm rotors
Brake Levers
Shimano MT4100
Drivetrain
1x
Shifters
Shimano Deore, 12-speed
Front Derailleur
None
Rear Derailleur
Shimano Deore, 12-speed
ISCG Tabs
ISCG05, 2-bolt
Chainguide
Upper slider
Cranks
Shimano Deore, 24mm spindle, 170mm length
Chainrings
Shimano Deore, 34 tooth
Bottom Bracket
Shimano BBMT500, 92mm press-fit
Pedals
None
Chain
Shimano Deore M6100, 12-speed
Cassette
Shimano Deore, 12-speed, 10-51 tooth
Rims
WTB ST i30 TCS 2.0, tubeless ready (tape and valves included), 32 hole
Hubs
Shimano MT410, 110x15mm Boost front, 148x12mm Boost rear with MICRO SPLINE driver
Spokes
Stainless steel 2.0
Tires
Front: Maxxis Minion DHF, EXO, TR, 27.5" x 2.5" WT
Rear: Maxxis Minion DHR II, EXO, TR, 27.5" x 2.4" WT
Saddle
WTB Volt Race, chromoly rails, 142mm width
Seatpost
Rocky Mountain Toonie dropper
Drop: 125mm (XS/SM), 150mm (MD/LG), 170m (XL)
Seatpost Diameter
30.9mm
Seatpost Clamp
Standard single bolt
Rear Dropout / Hub Dimensions
148x12mm Boost
Max. Tire Size
 
Bottle Cage Mounts
One inside front triangle
Colors
Purple, Grey
Warranty
5 years frame; 1 year paint, decals, and frame hardware
Weight
33 lb 2.9 oz (15,050 g)
Miscellaneous
- Smoothlink suspension design
- Geometry adjustable via RIDE-9 flip chip at rear shock mount
- Internal cable routing
- Compatible with 26+ wheels
Price
$2,499.00
More Info

Rocky Mountain Website

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Where To Buy
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.
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