Top Fuel 9.9 flies through singletrack and rips descents, but it really shines when pushed to its full potential during gruelling endurance races.
- Color: Matte Carbon/Gloss Trek Black
- Size: S (29" wheel), M (29" wheel), ML (29" wheel), L (29" wheel), XL (29" wheel)
- Weight: M - 11.05 kg / 24.36 lbs (with tubes)
- Frame: OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
- Fork: Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, TwistLoc remote, tapered steerer, 44mm offset , Kashima Coat, Boost110, 15mm Kabolt axle, 120mm travel
- Front suspension: Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, TwistLoc remote, tapered steerer, 44mm offset , Kashima Coat, Boost110, 15mm Kabolt axle, 120mm travel
- Rear suspension: Fox Factory Float, 2-position DPS damper, TwistLoc remote, Kashima Coat, tuned by Trek Suspension Lab, 190x45mm
- Wheels: Bontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110 front, Boost148 rear
- Tires: Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40"
- Shifters: SRAM XX1 Eagle, 12 speed
- Rear derailleur: SRAM XX1 Eagle
- Crank: SRAM XX1 Eagle Carbon, DUB, 32T alloy ring, Boost, carbon
- Bottom bracket: SRAM DUB, 92mm, PressFit
- Cassette: SRAM XG-1295 Eagle, 10-50, 12 speed
- Chain: SRAM XX1 Eagle, 12 speed
- Saddle: Bontrager Montrose Elite, titanium rails
- Seatpost: Bontrager Line Elite Dropper, internal routing, 31.6mm
- Handlebar: Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise
- Stem: Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
- Grips: SRAM TwistLoc
- Headset: Knock Block Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom
- Brakeset: SRAM Level Ultimate hydraulic disc, carbon levers, 180mm front rotor, 160mm rear rotor