2021 Trek Top Fuel 9.9 XX1 AXS

The 2021 Trek Top Fuel 9.9 XX1 AXS is a 29″ carbon frame full suspension trail bike with ultra high-end components.

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2021 Trek Top Fuel 9.9 XX1 AXS
  • MSRP $9,999
  • Weight 24.4 lbs / 11.1 kg
  • Suspension Full
  • Front Travel 120mm
  • Frame Carbon
  • Fork RockShox Sid
  • Wheels 29″ Carbon
  • Drivetrain 1 × 12 Electronic
  • Groupset XX1 Eagle AXS, X01 Eagle AXS
  • Brakes Hydraulic Disc
  • Seatpost Dropper post

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Gearing

1 × 12 — 12 speed

2021 Trek Top Fuel 9.9 XX1 AXS
28 mph
Similar Bikes
26 mph

The Top Fuel 9.9 XX1 AXS is geared about the same as similar bikes for riding up hills.

Similar bikes won‘t keep up with the Top Fuel 9.9 XX1 AXS while riding downhill or sprinting.


Estimated Spec Level

Estimated spec level of the Top Fuel 9.9 XX1 AXS compared to other trail bikes. 99 Spokes analyzes the build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more to estimate the overall spec level of each bike.

Learn more

est. spec level →$0$2,000$4,000$6,000$8,000$10,000
This bike
Other trail bikes

Reviews

Geometry

Specs
Build
ForkRockShox SID Ultimate, DebonAir spring, Charger Race Day damper, remote lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
Rear ShockRockShox SID Luxe Ultimate, DebonAir spring, Ultimate RL damper, 190x45mm
Bottom BracketSRAM DUB, 92mm, PressFit
HeadsetKnock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
StemBontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree, 70mm length
HandlebarBontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
SaddleBontrager Arvada, austenite rails, 138mm width
SeatpostRockShox Reverb AXS, 170mm travel, wireless, 31.6mm, 480mm length
Groupset
Rear DerailleurSRAM XX1 Eagle AXS
CrankSRAM XX1 Eagle AXS, DUB, 32T alloy ring, Boost (52mm chainline), 175mm length
ShiftersSRAM Eagle AXS, wireless, 12-speed
CassetteSRAM Eagle XG-1299, 10-52, 12 speed
ChainSRAM XX1 Eagle, 12 speed
BrakesSRAM G2 Ultimate hydraulic disc, carbon levers
Wheels
RimsBontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
TiresBontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40''
Disk RotorsSRAM CenterLine, 6-bolt, round-edge, 180mm
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