Trek Top Fuel RSL Gen 4 2026

C$13,799.99
Availability: Out of stock

Top Fuel RSL takes the ride-anything capability of our favorite short-travel trail bike and ups the race-ready factor. Its OCLV Mountain Carbon frame partners with a 120mm RockShox SID Ultimate fork and 120mm SIDLuxe Ultimate shock — both with Flight Attendant. It comes ready to rally with Bontrager Kovee Elite 30 carbon wheels, a SRAM X0 AXS 12-speed wireless transmission, a Bontrager Line dropper post, and a carbon Bontrager RSL integrated handlebar/stem.

Frame
OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel
Fork
RockShox SID Ultimate, Flight Attendant Race Day damper, Stealth DebonAir spring, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
Shock
RockShox SIDLuxe Ultimate Flight Attendant, 185x50mm

Wheel front
Wheel rear
Skewer rear
Tire
Pirelli Scorpion XC RC, Tubeless Ready, Team Edition Pro Wall, aramid bead, 120 tpi, 29x2.40''
Tire part
Bontrager TLR sealant, 180 ml/6 oz
Rim strip
Max tire size
Frame: 29x2.50", Fork: See manufacturer

Shifter
SRAM AXS pod
Rear derailleur
SRAM X0 Eagle AXS, T-Type
Crank
SRAM X0 Eagle, DUB, 34T, T-Type, 55mm chainline, 170mm length
Bottom bracket
SRAM DUB MTB Wide, 73mm, BSA threaded
Cassette
SRAM Eagle XS-1295, T-Type, 10-52, 12 speed
Chain
SRAM X0 Eagle, T-Type, 12 speed
Max chainring size
1x: 34T, min 30T

Weight
M - 11.98 kg / 26.42 lbs (with TLR sealant, no tubes)
Weight limit
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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