2019 Trek Session 8 27.5

High-end component level aluminum frame downhill bike

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2019 Trek Session 8 27.5
  • MSRP $4,729
  • Suspension Full
  • Front Travel 200mm
  • Rear Travel 210mm
  • Frame Aluminum
  • Fork 
    RockShox BoXXer
  • Wheels 27.5″
  • Drivetrain 1 × 7
  • Groupset 
  • Brakes Hydraulic Disc

1 × 7 — 7 speed

2019 Trek Session 8 27.5
27 mph
Similar Bikes
26 mph

Similar bikes are easier to ride up hills than the 2019 Session 8 27.5.

The 2019 Session 8 27.5 is geared about the same as similar bikes for riding downhill.

Estimated Spec Level
est. spec level →$0$1,000$2,000$3,000$4,000$5,000
This bike
Other downhill bikes

Estimated spec level of the Session 8 27.5 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 »

FrameAlpha Platinum Aluminum, ABP, Full Floater, EVO Link, tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, down tube guard, ISCG Mount, 210mm travel
ForkRockShox BoXXer RC Air, low speed compression, internal preload, Motion Control IS, 20mm Maxle DH, 200mm travel
Rear ShockFOX Performance VAN, 8.75" x 2.75˝, Coil: 400lbs (S), 450lbs (M), 500lbs (L), 500lbs (XL) spring)
Bottom BracketSRAM GXP TM, 83mm
HeadsetFSA Orbit, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom
StemBontrager Line Pro Direct Mount, 35mm clamp, 50mm length
HandlebarBontrager Line, 35mm, 27.5mm rise, 780 width
SaddleBontrager Arvada, hollow chromoly rails
SeatpostBontrager Rhythm Elite, 31.6mm, 0mm offset
PedalsWellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
GripsBontrager XR Trail Elite, alloy lock-on
Front Derailleur
Rear DerailleurSRAM GX DH, Roller Bearing Clutch
ShiftersSRAM GX DH, 7 speed
CrankTruvativ Descendant, 36T w/MRP G4 chainguide
CassetteSRAM PG-720, 11-25, 7 speed
ChainSRAM PC-1110
Chain GuideMRP G4
BrakesSRAM Guide R hydraulic disc
Brake LeversSRAM Guide R
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 G4 Team Issue, 27.5x2.35˝
Similar Bikes
2019 Trek Session 8 27.5