2020 Trek Session 9.9 29

Ultra high-end component level carbon frame downhill bike

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2020 Trek Session 9.9 29
  • MSRP $8,000
  • Suspension Full
  • Front Travel 190mm
  • Rear Travel 190mm
  • Frame Carbon
  • Fork 
    RockShox BoXXer
  • Wheels 29″
  • Drivetrain 1 × 7
  • Groupset 
    SRAM X01
  • Brakes Hydraulic Disc


1 × 7 — 7 speed

2020 Trek Session 9.9 29
28 mph
Similar Bikes
26 mph

Similar bikes are easier to ride up hills than the 2020 Session 9.9 29.

Similar bikes won‘t keep up with the 2020 Session 9.9 29 while riding downhill or sprinting.

Estimated Spec Level
est. spec level →$0$2,000$4,000$6,000$8,000
This bike
Other downhill bikes

Estimated spec level of the Session 9.9 29 compared to other downhill 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 »

FrameOCLV Mountain Carbon main frame & stays, tapered head tube, integrated frame protection, Control Freak internal routing, magnesium rocker link, Mino Link, ISCG mount, ABP, 12x157mm thru axle, 190mm travel
ForkRockShox Boxxer Ultimate, DebonAir spring, Charger 2 RC2 damper, straight steerer, 46mm offset, Boost, 110x20mm Maxle Stealth, 190mm travel
Rear ShockRockShox Super Deluxe Ultimate DH, 225x70mm
Bottom BracketSRAM DUB, 83mm, BSA threaded
StemBontrager Line Pro, 35mm, Direct Mount, 50mm length
HandlebarBontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 820mm width
SaddleBontrager Arvada, austenite rails, 138mm width
SeatpostBontrager Rhythm Elite, 31.6mm, 0mm offset, 330mm length
GripsBontrager XR Trail Elite, alloy lock-on
Rear DerailleurSRAM X01 DH
ShiftersSRAM X01 DH, 7 speed
CrankSRAM X01 DH, DUB 83, 36T, 165mm length
CassetteSRAM PG-720, 11-25, 7 speed
ChainSRAM PC-1110, 11 speed
BrakesSRAM Code RSC hydraulic disc
Disk RotorsSRAM CenterLine, 6-bolt, round-edge, 180mm
RimsBontrager Line DH 30, Tubeless Ready, 6-bolt, 110x20mm Boost thru axle
TiresBontrager G5 Team Issue, wire bead, 2-ply 60 tpi, 29x2.50''

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2020 Trek Session 9.9 29