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“It’s easy to look at the bike from afar and assume this is just another down-country rig... It wasn’t until I’d fired it over some jumps, nosed it down the odd steep chute and slung it through my test loops’ berms that I realised the Top Fuel is, simply put, a bloody brilliant trail bike.”
Read more"The Top Fuel 9.9 XX1 AXS earned top honours in Enduro’s round-up of best off-road rippers, thanks to the bike’s clean look, practical details and progressive suspension."
Read more"The Top Fuel is a very capable descender, but its well-proportioned geometry is just half the story. It manages to strike a great balance between grip, tracking and precision. The whole bike seems to just will you on to hit things faster and with more precision."
Read more"The new Top Fuel is also much more composed on rough and fast descents. Thanks to the longer reach and slacker head angle, the overall wheelbase length has grown by almost 40 mm. That’s huge, and it offers a vastly more planted feel at speed. Along with the big tyres and active suspension, this really is a solid little trail bike."
Read moreTime to get 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 hereWhen it comes to being a better trail rider, practice makes perfect. Get seven tips from Pinkbike’s Christina Chappetta that will have you setting PRs and riding with more confidence in no time.
Read moreActive 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.
120 mm of rear travel combined with progressive trail geometry gives you a fast, responsive ride that helps you keep your cool when the trail turns rowdy.
Internal frame storage makes it easy to ditch the pack and still carry your ride essentials.
Guided internal cable routing keeps Top Fuel quiet on the trail and maintenance a breeze.
The smaller frames (XS and S) have a curved top tube. This design makes for a lower standover height, which allows shorter riders to straddle the bike more easily. The larger frames (M and up) have a straight top tube because taller riders with longer legs typically don't have the same issues with standover height.
Shimano XT is the original mountain bike groupset and trusted by generations of mountain bikers around the world. Whatever the trail, wherever you ride, XT is your solution for mountain biking today. Reliable shifting. Superior braking. Intuitive maintenance. XT is the high performance workhorse you can count on.
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 and efficiency.
See the guideThis suspension calculator will help you optimise your suspension settings for your riding weight. Simply follow the steps to find your best set up.
Learn moreTubeless Ready rims and tyres make it easy to ditch the tubes so you get better traction, fewer flats and less weight. You're ready to roll straight out of the box with the included TLR rim strips, valves and sealant.
Learn moreBigger 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.
International Standard Chain-Guide mounts offer easy chain-guide installation and adjustment.
More robust than pressfit, threaded BBs hold up in nasty conditions and make servicing easier.
Knock Block has your frame's back when things go wrong. It prevents your handlebars from spinning all the way around in a crash, so your hoses won't get yanked and your controls won't hit the top tube.
Learn moreFine tune head tube angle by 1/2° and BB height by up to 10mm with the simple turn of a nut. Just flip the link to choose between slack or slacker geometry, without negatively affecting suspension performance. A Trek exclusive.
Learn moreFrame | Alpha Platinum Aluminium, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120 mm travel |
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*Fork |
Size:
S, M, ML, L, XL, XXL RockShox Pike, DebonAir spring, Rush RC damper, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 130 mm travel |
Size:
S, M, ML, L, XL, XXL RockShox SID, DebonAir spring, Rush RL damper, lockout, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 130 mm travel |
|
Shock | RockShox Deluxe Ultimate RCT, 185 mm x 50 mm |
Max compatible fork travel | 130mm (541mm axle-to-crown) |
Wheel front | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29" |
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Wheel rear | Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 29" |
Skewer rear | Bontrager Switch thru-axle, removable lever |
Tyre | Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.40" |
Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
Max tyre size | Frame: 29x2.50", Fork: See manufacturer |
Shifter | Shimano XT M8100, 12-speed |
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Rear derailleur | Shimano XT M8100, long cage |
*Crank |
Size:
S, M, ML, L, XL, XXL Shimano Deore M6120, 30T ring, 55 mm chainline, 170 mm length |
Size:
XL, XXL Shimano Deore M6120, 30T ring, 55 mm chainline, 175 mm length |
|
Bottom bracket | Shimano BB-MT501 BSA |
Cassette | Shimano SLX M7100, 10-51T, 12-speed |
Chain | Shimano SLX M7100, 12-speed |
Max. chainring size | 1x: 36T round, 34T oval, min 28T |
Saddle | Bontrager Arvada, steel rails, 138 mm width |
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*Seatpost |
Size:
S TranzX JD-YSP39, 100 mm travel, internal routing, 34.9 mm |
Size:
M, ML TranzX JD-YSP39, 150 mm travel, internal routing, 34.9 mm |
|
Size:
L, XL, XXL TranzX JD-YSP39, 170 mm travel, internal routing, 34.9 mm |
|
*Handlebar |
Size:
S Bontrager Line, alloy, 35 mm, 27.5 mm rise, 750 mm width |
Size:
M, ML, L, XL, XXL Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width |
|
Grips | Bontrager XR Trail Comp, nylon lock-on |
Stem | Bontrager Elite, 35 mm, 0-degree, 45 mm length |
*Brake |
Size:
S, M, ML, L, XL, XXL SRAM DB 8 4-piston hydraulic disc |
Size:
S, M, ML, L, XL, XXL Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper |
|
Size:
S, M, ML, L, XL, XXL Shimano M6120 4-piston hydraulic disc |
|
*Brake rotor |
Size:
S, M, ML, L, XL, XXL SRAM CenterLine, 6-bolt, round-edge, 160 mm |
Size:
S, M, ML, L, XL, XXL SRAM CentreLine, 6-bolt, round-edge, 180 mm |
|
Size:
S, M, ML, L, XL, XXL Shimano RT66, 6-bolt, 180 mm |
|
Rotor size | Max brake rotor sizes - Frame: 180mm, Fork: see fork manufacturer |
Weight | M - 14.02 kg / 30.91 lbs (with TLR sealant, no tubes) |
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Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |