Trek Top Fuel 9.9 XTR 2020

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Trek say:

2020 model

Top Fuel 9.9 is our top-of-the-line full suspension mountain bike for endurance racers and multi-discipline riders. This down-country rig is built with an OCLV Mountain Carbon frame and spec'd to the hilt with high-performance parts, including a FOX Factory 34 Step-Cast fork, a Shimano XTR drivetrain with carbon cranks, carbon wheels and Shimano XTR brakes. Top Fuel 9.9 flies through singletrack and rips descents, but it really shines when pushed to its full potential during gruelling endurance races.

The Top Fuel 9.9 is built for speed and capability on any terrain, but its efficient, short-travel design excels in endurance events. An OCLV Mountain Carbon frame, top-of-the-line suspension and carbon components come together for a nimble and insanely fun ride at any distance.

  • It’s the ultimate endurance racing bike – light, capable and trimmed with high-performance components
  • Wider Kovee Pro 30 wheels provide better tyre support so you can run lower pressure and get more traction
  • 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

Customise with Project One
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Size Guide

Rider height 5'0" – 5'4" 5'3" – 5'8" 5'7" – 5'11" 5'10" – 6'2" 6'1" – 6'5"
153 – 162 cm 161 – 172 cm 170 – 179 cm 177 – 188 cm 186 – 196 cm
Rider inseam 28" – 30" 30" – 32" 31" – 33" 33" – 35" 34" – 36"
72 – 76 cm 76 – 81 cm 80 – 84 cm 83 – 88 cm 87 – 92 cm


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
Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, dual remote, tapered steerer, 44mm offset, Kashima Coat, Boost110, 15mm bolt-on axle, 120mm travel
Rear Shock
Fox Factory Float, 2-position DPS damper, TwistLoc remote, Kashima Coat, tuned by Trek Suspension Lab, 190x45 mm
Shimano XTR M9100, 12 speed
Rear Derailleur
Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
Front Derailleur
Shimano XTR M9120, 175 mm, 32T
Bottom Bracket
Shimano XTR
Shimano XTR M9100, 12 speed
Shimano XTR M9100, 10-51, 12 speed
Bontrager Kovee Pro 30 carbon, Tubeless Ready
Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40"
Shimano XTR M9100 hydraulic disc
Brake Levers
Shimano XTR
Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise, 750 mm width
Bontrager Kovee Pro, 35 mm, Knock Block, Blendr-compatible, 0-degree, 60 mm length
SRAM TwistLoc
Bontrager Montrose Pro, 7x10 mm carbon rails, 138 mm width
Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length