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"More capable & adaptable than ever"
"The Top Fuel manages to feel quick and efficient without any harshness, a feat that's not easy to accomplish."
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"increased versatility and broader appeal"
"The added ability to futz with not just head/seat angle and bb height, but also play with shock progression AND maybe even long-stroke the bike for more travel is appealing."
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"enthusiastic and sporty, offering up impressive pedal efficiency with loads of grip."
"Mind you, it only took a few pedal strokes to appreciate the Top Fuel’s efficient and responsive demeanour.[...]Heading across rockier singletrack, the new bike is noticeably sprightlier and springier than its predecessor."
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"Dear lord, this bike is a hoot"
"I keep finding myself on top of bigger moves than Trek would probably recommend for the Top Fuel, and I keep bouncing out the bottom more in love with the bike."
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"light, lively, and efficient"
"...the Top Fuel stands out for being just a touch more composed and forgiving (in terms of its suspension performance) than most of the bikes that it compares most directly to on paper."
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Service manual
Time to bust out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values, and platform-specific tech instructions below.
Get it hereWhich Generation?
Save some cash on the light and fast Top Fuel Gen 3, or go even lighter with more adjustability with Top Fuel Gen 4
Learn moreProduct features
Make Top Fuel yours
Opt for light parts and a 120mm fork for a featherweight Top Fuel, or a 140mm fork and longer-stroke 130mm rear shock for extra versatility. Room for a longer dropper and MX wheels lets you customize Top Fuel into an ultimate playful trail whip.
4-way Mino Link
Easily adjust the suspension and geometry four different ways for where and how you ride. With the flip of a chip, you can ride with more or less progressive suspension, and tweak your geometry for a slacker head tube and lower BB or steeper head tube and higher BB.
New internal storage with new BITS bags
New internal frame storage bags make it easy to ditch the pack and still carry your ride essentials.
BITS: Your trailside savior
Cleverly integrated into the steerer tube, the included BITS multi-tool has everything you need for trailside adjustments and repairs.
Active Braking Pivot
Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.
You almost forgot your pedals
This bike doesn’t come with pedals because you'll have a better ride if you choose your own. Explore the pedal guide to find the best pedals for your riding style. Reach for flat pedals for simple versatility or go for clipless MTB pedals if you want control & efficiency.
See the guideSuspension Calculator
This suspension calculator will help you optimize your suspension settings for your riding weight. Simply follow the steps to find your best set up.
Learn moreComplete Tubeless System
Tubeless Ready rims and tires make it easy to ditch the tubes so you get better traction, fewer flats, and less weight. You're ready to roll right out of the box with the included TLR rim strips, valves, and sealant.
Learn moreCarbon Care Wheel Loyalty Programme
Every set of Bontrager carbon wheels is backed by the Carbon Care Wheel Loyalty Programme. In the unlikely event that you damage your Bontrager carbon wheels within the first two years of ownership, we’ll repair or replace them for free.
Oversized 34.9mm dropper post
Bigger is better. The oversized seat tube diameter gives more support and strength for longer travel droppers, and allows for more robust, durable internals that work faster.
ISCG mounts
International Standard Chain Guide mounts offer easy chain guide installation and adjustment.
Threaded bottom bracket
More robust than pressfit, threaded BBs hold up in nasty conditions and make servicing easier.
SRAM Eagle AXS drivetrain
Enjoy precise, lightning fast gear changes—even when shifting under load—with Eagle AXS wireless electronic drivetrains. They're water- and dust-proof, and the AXS App makes it easy to personalize your settings.
| 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 Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset, Boost110, Maxle Stealth, 130mm travel |
| Shock | RockShox Deluxe Ultimate RCT, 185mm x 50mm |
| Max compatible fork travel | 140mm |
| Battery | SRAM eTap battery pack (with charger) |
|---|
| Rear derailleur | SRAM XX SL Eagle AXS, T-Type |
|---|---|
| Crank | SRAM XX Eagle, DUB, 30T, T-Type, 55mm chainline, 170mm length |
| Bottom bracket | SRAM DUB MTB Wide, 73mm, BSA threaded |
| Cassette | SRAM Eagle XS-1299, T-Type, 10-52, 12 speed |
| Chain | SRAM XX Eagle, T-Type, 12 speed |
| Max chainring size | 1x: 34T, min 30T |
| Saddle | Verse Short Pro, carbon rails, 145mm width |
|---|---|
| *Seatpost |
Size:
S RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length |
|
Size:
M, ML, L, XL RockShox Reverb AXS, 170mm travel, wireless, 34.9mm, 480mm length |
|
| *Handlebar/stem (integrated) |
Size:
S Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 35mm stem length |
|
Size:
M, ML, L, XL Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 45mm stem length |
|
| *Brake |
Size:
S , M, ML, L, XL SRAM Level Ultimate 4-piston hydraulic disc |
|
Size:
S , M, ML, L, XL SRAM Level Ultimate Stealth 4-piston hydraulic disc |
|
| Brake rotor | SRAM HS2, 6-bolt, 180mm |
| Rotor size | Max brake rotor sizes - Frame: 200mm, min 180mm, Fork: see fork manufacturer |
| Weight | M - 12.85 kg / 28.33 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). |