Fuel EX 9.9 X01 AXS
A 27.5″ / 29″ carbon frame full suspension trail bike with ultra high-end components.
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MSRP | $8,499 |
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Weight | 28.6 lbs |
Frame | Carbon |
Suspension | Full, 130 / 140mm |
Fork | Fox Factory Float 36 |
Shock | Fox |
Wheels | 27.5″ / 29″ Carbon |
Drivetrain | 1 × 12 Electronic |
Groupset | X01 Eagle AXS |
Brakes | Hydraulic Disc |
Seatpost | Dropper |
For This Bike
Oct 2020 · Benjamin Topf
The Trek Fuel EX 9.9 is an absolute classic in the trail bike segment. Could it also be the perfect bike for the next bikepacking adventure with its modern geometry and spare parts compartment in the down tube? We put the Fuel EX to the test.
Maximum fun on the descents
Intuitive and good-natured handling
Storage compartment in the down tube for tools or snacks
Too sluggish on easy terrain
Too much bike for long straights
Chain slap
Jun 2020 · Spencer Johnson
As warmer temperatures hit the Pacific Northwest and the dirt starts to dry, I’m always eager to get out on some long rides with some big climbs. Naturally, when this Trek Fuel EX 9.9 showed up at the Freehub office, I knew it was time to put the nimble beast through its paces. I challenged myself to a 60-mile sufferfest on some of Bellingham, Washington’s toughest climbs and descents. It definitely didn’t let me down. Climbing on this bike was a joy. Trek equipped the 9.9 model with its proprietary RE:aktiv shock with a three-position damper, which I left wide open for the entire ride. The rear suspension had an overwhelmingly supportive feel while pedaling out of the saddle, yet as soon as I hit a bump it dived deeper into the travel, keeping the rear wheel firmly planted and providing excellent traction. The geometry is modern and balanced, with a long reach and a sensible 76-degree seat angle. On the descents, the bike inspired confidence, thanks to its long wheelbase and bottomless-feeling suspension. My confidence was further enhanced by the reliable stopping power of the Shimano XT brakes. As a 200-pound rider, I couldn’t have appreciated the ultra-powerful XT brakes and the 203-millimeter front rotor more—especially while bombing down some of Bellingham’s scariest double-black trails.
Apr 2020 · Tom Marvin
A classic trail bike, with a fun and engaging ride built around a solid frame
A solid feeling frame backed up by a ride quality that encourages you to pop and play around
The long Shimano brake levers kill the feel, while the supple rear suspension shows up the budget fork
Feb 2020 · Christoph Bayer
The Trek Fuel EX 9.9 is a classic in the trail bike segment. Last year, Trek completely redesigned the bike, putting a storage compartment in the down tube, updating the geometry and revising the suspension. We’ll tell you whether the new Fuel EX can build on the success of its predecessor. Click here for an […]
Light-footed and efficient climber
Intuitive, good-natured and fun handling
Storage compartment in the down tube for tools or food
Not the most sensitive rear end
Tires lack grip
Chain slap
Jan 2020 · Jeremy Benson
Trek recently redesigned their popular Fuel EX mid-travel trail bikes for the 2020 model year. The updated geometry brings this bike in line with modern...
Supple rear suspension
Versatile
Fun on a wide range of terrain
Affordable
Moderately heavy
Short dropper post
Frame sizing runs a little small
Nov 2019 · Alan Muldoon
The updated Trek Fuel EX now features storage in the downtube, 29er wheels, more travel and a gorgeous frame… oh and it’s rollicking fast too.
Punchy trail bike with great handling.
Low profile tyre tread lacks bite.
Oct 2019 · McCoy
One seriously light and capable bike
Aug 2019
This is not what it looks like. Even though this new Fuel EX has a Fox 36, it doesn’t mean it has shed its trail-bike past for an enduro-bike future. Even
Frame | OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel BB Standard: BB86/BB92, Press Fit Tire Clearance: 2.6" |
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Fork | Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44mm offset, Kashima Coat, Boost110, 15mm bolt-on axle, 140mm travel Travel: 140mm Spring Type: Air |
Shock | Size: XS, S, Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab, 210x52.5mm; Size: S, ML, L, M, XL, Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab, 210x55mm Travel: 130mm Spring Type: Air |
Bottom Bracket | SRAM DUB, 92mm, PressFit |
Headset | Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom |
Stem | Size: XS, S, Bontrager Line Pro, 35mm, Knock Block, 0 degree, 40mm length; Size: ML, L, M, XL, Bontrager Line Pro, 35mm, Knock Block, 0 degree, 50mm length |
Handlebar | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
Saddle | Bontrager Arvada, austenite rails, 138mm width |
Seatpost | Size: XS, S, RockShox Reverb AXS, 100mm travel, wireless, 31.6mm, 340mm length; Size: ML, M, RockShox Reverb AXS, 150mm travel, wireless, 31.6mm, 440mm length; Size: L, XL, RockShox Reverb AXS, 170mm travel, wireless, 31.6mm, 480mm length Type: Dropper |
Grips | Bontrager XR Trail Elite, alloy lock-on |
Rear Derailleur | SRAM X01 Eagle AXS |
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Crank | Size: XS, S, SRAM X01 Eagle AXS Carbon, DUB, 32T alloy ring, Boost (52mm chainline), 170mm length; Size: ML, L, M, XL, SRAM X01 Eagle AXS Carbon, DUB, 32T alloy ring, Boost (52mm chainline), 175mm length |
Shifters | SRAM Eagle AXS, wireless, 12-speed |
Chain | SRAM XX1 Eagle, 12 speed |
Brakes | Shimano XT M8120 4-piston hydraulic disc Type: Hydraulic Disc |
Rims | Front: Bontrager Line Carbon 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, Rear: Bontrager Line Carbon 30, Tubeless Ready, 54T Rapid Drive, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle |
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Tires | Size: XS, S, Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5x2.60''; Size: S, ML, L, M, XL, Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.60'' |
Disc Rotors | Size: XS, S, ML, L, M, XL, Shimano RT76, 180mm, 6-bolt; Size: XS, S, ML, L, M, XL, Shimano RT76, 203mm, 6-bolt |
Last updated July 7
Not listed for 1,381 days