Fuel EX 9.9 is our best 130mm trail bike. A carbon frame, carbon wheels, a 1x12 SRAM X01 Eagle drivetrain, and FOX Factory Float suspension make this the one carbon full suspension mountain bike that rules every trail. It's fast on XC singletrack, light on climbs, and stable through the rowdiest terrain you can find.
It's right for you if...
You're a mountain biker through and through, and want a single carbon bike for the best performance on everything from XC races to gnarly descents and technical trail. You know you'll be riding this bike on every trail, so you're not going to compromise on frame material, suspension, or components.
The tech you get
A lightweight OCLV Mountain Carbon frame with full carbon stays, Bontrager Line Carbon wheels with a 54-tooth Rapid Drive rear hub for instant engagement, a 1x12 SRAM X01 Eagle drivetrain with a carbon crank, a 130mm FOX Factory Float fork, and 130mm rear travel with a FOX Factory rear shock featuring Trek's exclusive RE:aktiv with Thru Shaft. Plus, a Bontrager Line dropper post, 35mm Bontrager Line Pro OCLV Carbon handlebar.
The final word
If you can have just one mountain bike, this is it. Fuel EX 9.9 has high-end parts on the best OCLV Mountain Carbon frame we make. It's equally at home on fast singletrack, gnarly trail, and everything in-between.
Why you'll love it
1 - Fuel EX 9.9 is the single best choice for riders who want a versatile ripper for every kind of mountain biking, from fast XC races to burly technical terrain
2 - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control
3 - Fuel EX 9.9 hits the sweet spot for high-end performance: you get the best frame and suspension with a premium parts group chosen for value
|Frame||OCLV Mountain Carbon main frame & stays, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, tapered head tube, Mino Link, Control Freak internal routing, Carbon Armor, PF92, ISCG 05, G2 Geometry, 130mm travel|
|Fork||Fox Factory 34 Float, FIT4 3-position damper, tapered steerer, Kashima Coat, Boost110, G2 Geometry w/51mm offset, 130mm travel|
|Headset||Knock Block Integrated, sealed cartridge bearing, 1-1/8-inch top, 1.5-inch bottom|
|Rear Shock||Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab, 210x52.5mm|
Front: 15 x 110mm
Rear: 12 x 148mm
|Rims/Wheels||Bontrager Line Carbon 30, Tubeless Ready, 54T Rapid Drive, Boost110 front, Boost148 rear, tubeless strips included, valves sold separately|
|Tires||Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 120tpi, aramid bead, 29x2.40|
|Crankset||SRAM X01 Eagle carbon DUB|
|Chainrings||32T Direct Mount|
|Bottom Bracket||SRAM DUB Press Fit, 92mm|
|Chain||SRAM GX Eagle|
|Rear Derailleur||SRAM X01 Eagle, Roller Bearing Clutch|
|Cassette/Rear Cogs||SRAM XG-1275 Eagle, 10-50, 12 speed|
|Shifters||SRAM X01 Eagle, 12 speed|
|Handlebars||Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width|
|Tape/Grips||Bontrager XR Trail Elite, alloy lock-on|
|Stem||Bontrager Line Pro, Knock Block, 35mm clamp, 0 degree|
|Brakes||Shimano Deore XT M8020 4-piston hydraulic disc|
|Saddle||Bontrager Arvada Pro, carbon rails|
|Seat Post||Bontrager Line, internal routing, 31.6mm, 15.5-inch size: 100mm, 17.5-inch & 18.5-inch sizes: 125mm, 19.5-inch & 21.5-inch sizes: 150mm|
|Matte Carbon Smoke/Gloss Trek Black / 15.5-inch||601479914647||568746||FUE43376495K|
|Matte Carbon Smoke/Gloss Trek Black / 17.5-inch||601479914654||568747||FUE43523114K|
|Matte Carbon Smoke/Gloss Trek Black / 18.5-inch||601479914661||568748||FUE43481248K|
|Matte Carbon Smoke/Gloss Trek Black / 19.5-inch||601479914678||568749||FUE43932705K|
|Matte Carbon Smoke/Gloss Trek Black / 21.5-inch||601479914685||568750||FUE43495914K|
|Volt/Solid Charcoal / 17.5-inch||601479956517||571659||FUE30572097L|
|Volt/Solid Charcoal / 18.5-inch||601479956524||571660||FUE30709639L|