Trek Fuel EX 9.9 XX1 AXS Gen 6


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Fuel EX 9.9 XX1 AXS is a performance-first trail bike built for riders who have an appreciation for the finest things in life. It combines a cream of the crop carbon frame with top-tier components, from the carbon fiber wheels all the way up to the 150mm Kashima-coated FOX Factory fork, and fully wireless SRAM XX1 drivetrain. It’s a bike that rules the mountain and doesn’t hesitate to lay claim to its domain, ripping up rock gardens, blasting berms, and rocketing back to the top to conquer it all once again.

You have refined taste in mountain bikes, and don’t like to settle. You want a bike built to tackle the whole mountain and rule it all with the finest technology the bike industry has to offer, from its light and stiff carbon frame and wheels that track through the hairiest lines, to the FOX Factory fork and fully wireless SRAM XX1 top-tier groupset.

A featherweight OCLV Mountain Carbon frame built to handle the rough and rowdy, a pair of finely laced carbon wheels that track through technical terrain with ease, and SRAM’s top-tier XX1 AXS fully wireless electronic drivetrain. Plus, you get the silky smooth travel of a 150mm FOX Factory 36 Fork with EVOL air spring and GRIP2 damper and 140mm of FOX Factory Float rear suspension with 2-position damper, all topped off with adjustable geometry for fine-tuning your ride to you and internal frame storage that lets you keep your setup tidy without leaving behind trail essentials.

Fuel EX 9.9 is a bike built to satisfy those with the finest taste. It pairs together an all- mountain trail capable carbon frame with the finest components you’ll find on a modern mountain bike, from its carbon hoops to wireless SRAM XX1 AXS shifting. It’s all wrapped up with adjustable geometry, so you can fine tune your ride to always feel how you want it.

– You care about the finer things in life, like silky-smooth suspension that feels greater than the sum of its numbers, and fully wireless shifting that keep your setup tidy and low maintenance
– You can tackle any trail on the mountain with its progressive geometry that makes light work of steep, punchy climbs, and turns around to rally the descents
– It comes with light and stiff carbon wheels that make quick work of technical terrain and keep you on your line, even when things get hairy
– We expanded our size range to ensure a better fit for all riders, and use the best-fitting wheels for each frame size: X-Small frames get 27.5″ wheels, Small frames get to choose between 27.5″ or 29″, and sizes Medium and up get 29″ wheels

Geometry Chart:
FRAME SIZE X-Small Small 27.5 Small 29 Medium Medium/Large Large X-Large XX-Large
WHEEL SIZE (in) 27.5 27.5 29 29 29 29 29 29
FRAME REACH (mm) 400.2 430.2 425 450 470 485 515 545
EFFECTIVE TOP TUBE (mm) 516.2 550.5 553.8 584.1 607.4 626.9 661.8 696.6
SEAT TUBE (mm) 360 380 380 410 420 435 470 500
SEAT TUBE ANGLE (°) 70.8 70.8 70.8 70.8 70.8 70.8 70.8 70.8
EFFECTIVE SEAT TUBE ANGLE (°) 78.6 78.2 78.6 78.2 77.5 77.2 76.6 76
FRAME STACK (mm) 574.1 574.1 612.3 616.8 616.8 621.3 634.9 648.4
HEAD TUBE LENGTH (mm) 95 95 95 100 100 105 120 135
HEAD TUBE ANGLE (°) 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.5
FORK AXLE-TO-CROWN (mm) 533 533 561 561 561 561 561 561
BOTTOM BRACKET HEIGHT (mm) 332 332 335 335 335 335 335 335
BOTTOM BRACKET DROP (mm) 25 25 38 38 38 38 38 38
CHAINSTAY LENGTH (mm) 435 435 435 435 440 440 445 450
WHEELBASE (mm) 1144.8 1174.8 1185.9 1213 1233.1 1250.2 1286.7 1323.2
STANDOVER (mm) 716.8 723.8 736.8 736.8 741.8 747.8 766.8 773.8
OFFSET (mm) 44 44 44 44 44 44 44 44
TRAIL (mm) 121.6 121.6 129.2 129.2 129.2 129.3 129.3 129.3


Frame OCLV Mountain Carbon, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel
Fork Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel
Rear Shock Fox Performance Float X, 2-position damper, 185mm x 55mm
Wheels Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle
Rims Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
Tires XS, S: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5×2.50”
S – XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29×2.50”
Bottom Bracket SRAM DUB MTB Wide, 73mm, BSA threaded
Crankset SRAM XX1 Eagle, DUB, 30T alloy ring, 55mm chainline, 170mm length
Shifters SRAM Eagle AXS, wireless, 12-speed
Rear Derailleur SRAM XX1 Eagle AXS
Cassette/Freewheel SRAM Eagle XG-1299, 10-52, 12 speed
Chain SRAM XX1 Eagle, 12 speed
Brakes SRAM Code RSC 4-piston hydraulic disc
Rotors XS – XL: SRAM HS2, 6-bolt, 180mm
M – XL: SRAM 6-bolt, 200mm
Handlebars XS, S: Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 35mm stem length
M – XL: Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 45mm stem length
Tape/Grips Bontrager XR Trail Elite, nylon lock-on
Headset Integrated cartridge bearing, 1-1/8” top, 1.5” bottom, angle adjust cup compatible
Seatpost XS, S: RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length
M, ML: RockShox Reverb AXS, 150mm travel, wireless, 34.9mm, 440mm length
L, XL: RockShox Reverb AXS, 170mm travel, wireless, 34.9mm, 480mm length
Saddle Bontrager Arvada, austenite rails, 138mm width
Pedals Sold Separately
Accessories & Extras Bontrager BITS Internal Frame Storage Bag

* Subject to change without notice.


Option UPC MPN Store SKU
Satin Baja Yellow / Medium / 29-inch 601842852446 5276967 FUE32336347W
Satin Baja Yellow / Medium/Large / 29-inch 601842852439 5276968 FUE33709163W
Satin Baja Yellow / Large / 29-inch 601842852422 5276969 FUE32847125W
Mulsanne Blue / Small / 29-inch 601842852521 5276959 FUE29128153E
Mulsanne Blue / Medium/Large / 29-inch 601842852507 5276961 FUE30577076E
Mulsanne Blue / Large / 29-inch 601842852491 5276962 FUE2936925E
Mulsanne Blue / X-Large / 29-inch 601842852484 5276963 FUE30729857E
Deep Smoke / Small / 27.5-inch 601842852606 5276951 FUE27589896E
Deep Smoke / Small / 29-inch 601842852590 5276952 FUE2633783E


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