Top Fuel 9.9 XX1 AXS is our top-of-the-line full suspension carbon mountain bike for endurance racers and multi-discipline riders. This down-country rig is built with the latest in fully wireless components like the SRAM XX1 Eagle AXS drive train and RockShox Reverb AXS dropper. It's also spec'd with high-end RockShox suspension and lots of carbon – including the wheels, bars and shift levers. You'll fly through singletrack and rip descents on this bike, but it really shines when pushed to its full potential during gruelling endurance races.
It's right for you if...
You've set your sights on endurance racing, and want every lightweight and performance advantage. You're looking for an efficient yet trail-capable rig that's fast on flats, soaks up rough terrain and has the latest in fully wireless electronic components.
The tech you get
A full OCLV Mountain Carbon frame, top-of-the-line 120 mm RockShox Pike Ultimate fork with plush DebonAir spring and Charger 2 RC2 damper that gives you more adjustment and control. 115 mm of rear travel with a RockShox Deluxe Ultimate shock and a fully wireless 1x12 SRAM XX1 Eagle AXS electronic drive train. Plus, wide carbon Bontrager Kovee Pro 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, TwistLoc dual remote suspension lockout, a wireless RockShox Reverb AXS dropper, Bontrager Kovee XXX OCLV Carbon handlebars and SRAM Level Ultimate brakes with carbon levers.
The final word
The Top Fuel 9.9 XX1 AXS is built for speed and capability on any terrain, but its efficient, short-travel design excels in endurance events. An OCLV Mountain Carbon frame, fully wireless drive train and dropper, and top-of-the-line suspension come together for a nimble and insanely fun ride at any distance.
Why you'll love it
The SRAM XX1 Eagle AXS drivetrain is smart, smooth and completely wireless
It’s the ultimate endurance racing bike – light, capable and trimmed with high-performance components
TwistLoc simultaneously locks out front and rear shocks for climbs and sprints with the simple Grip Shift-like motion
This short-travel trail bike gives you a suspension set-up that’s capable in several MTB disciplines, and especially suited to endurance events
Make it yours: it's fully customisable through Project One
Specifications
Frameset
Frame
OCLV Mountain Carbon main frame and stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115 mm travel
Fork
RockShox Pike Ultimate, DebonAir spring, Charger 2 RC2 damper, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 120 mm travel
Rear suspension
RockShox Deluxe Ultimate, TwistLoc remote lockout
Wheels
Wheels
Bontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110 front, Boost148 rear
Tyres
Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40"
Drivetrain
Shifters
SRAM Eagle AXS, wireless, 12-
Rear derailleur
SRAM XX1 Eagle AXS
Crank
SRAM XX1 Eagle AXS Carbon, DUB, 32T alloy ring, Boost
Bottom bracket
SRAM DUB, 92 mm, PressFit
Cassette
SRAM XG-1299 Eagle, 10-50, 12-speed
Chain
SRAM XX1 Eagle, 12-speed
Components
Saddle
Bontrager Arvada, austenite rails, 138 mm width
Seatpost
RockShox Reverb AXS, wireless, 31.6 mm
Handlebar
Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise
Grips
SRAM TwistLoc
Stem
Bontrager Kovee Pro, 35 mm, Knock Block, Blendr-compatible, 13-degree
Head set
Knock Block Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
Brake set
SRAM Level Ultimate hydraulic disc, carbon levers, 160 mm rotors
Weight
Weight
M - 11.84 kg / 26.1 lbs (with tubes)
Weight limit
This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based on Trek pre-production painted frames at the time of publication. Weights may vary in final production
Buy Trek Top Fuel 9.9 XX1 AXS 2020 Mountain Bike Matte Carbon/Gloss Black online and collect from one of our norfolk bike shops