2019 Trek Session 9.9 29

High-end component level carbon frame downhill bike

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2019 Trek Session 9.9 29
  • MSRP $8,399
  • Suspension Full
  • Front Travel 190mm
  • Rear Travel 190mm
  • Frame Carbon
  • Fork 
    Fox Factory Float 40
  • Wheels 29″
  • Drivetrain 1 × 10
  • Groupset 
    Shimano Saint
  • Brakes Hydraulic Disc

1 × 10 — 10 speed

2019 Trek Session 9.9 29
28 mph
Similar Bikes
26 mph

Similar bikes are easier to ride up hills than the 2019 Session 9.9 29.

Similar bikes won‘t keep up with the 2019 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, ABP, magnesium EVO Link, tapered head tube, Mino Link, integrated frame protection, Control Freak internal routing, Carbon Armor, ISCG mount, 190mm travel
ForkFox Factory 40 FIT Grip2, air spring, Kashima Coat, hi/lo speed compression, Boost 110x20 thru axle, 190mm travel
Rear ShockFOX Factory Float X2, 225mm x 70mm
Bottom BracketShimano SM-BB80, 83mm
HeadsetFSA Orbit, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom (includes geometry adjust angled cups)
StemBontrager Line Pro Direct Mount, 35mm clamp, 50mm length
HandlebarBontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 820mm width
SaddleBontrager Arvada, austenite rails
SeatpostBontrager Rhythm Elite, 31.6mm, 0mm offset
PedalsWellgo MG-1, magnesium body, Cro-Mo axle, replaceable pins
GripsBontrager XR Trail Elite, alloy lock-on
Front Derailleur
Rear DerailleurShimano Saint M820, Shadow Plus
ShiftersShimano Saint, 10 speed
CrankShimano Saint M825, 36T w/MRP G4 carbon chainguide
CassetteShimano CS-5700, 11-25, 10 speed
ChainKMC X10
Chain GuideMRP G4 carbon
BrakesShimano Saint M820 hydraulic disc
Brake LeversShimano Saint M820
RimsBontrager Line DH 30, Tubeless Ready, Boost 110x20 front, 157x12 rear w/7 speed DH freehub
SpokesDT Swiss Aerolite14/17G spokes with Alpina alloy locking nipples
Front HubBontrager Rapid Drive 108, rear with 7-speed DH freehub
Rear HubBontrager Rapid Drive 108, rear with 7-speed DH freehub
TiresBontrager G5 Team Issue, wire bead, 29x2.50˝

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2019 Trek Session 9.9 29