Trek Session 8 27.5 2019


Session 8 is the DH mountain bike with a park-focused geometry that shines on big hits at the bike park. It’s built with a burly aluminium frame, 200 mm/210 mm front and rear RockShox suspension and a SRAM GX DH parts group chosen to stand up to the roughest lines you can find.



  • Frameset

    Alpha Platinum Aluminium, ABP, Full Floater, EVO Link, tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, downtube guard, ISCG Mount, 210 mm travel
    Front suspension
    RockShox BoXXer RC Air, low speed compression, internal preload, Motion Control IS, 20 mm Maxle DH, 200 mm travel
    Rear suspension
    Fox Performance VAN, externally adjustable rebound and low-speed compression; (S 181.5 kg/400 lb; M 205 kg/450 lb; L 227 kg/500 lb; XL 227 kg/500 lb spring), tuned by Trek Suspension Lab, 8.75×2.75˝
  • Wheels

    Bontrager Line DH 30, Tubeless Ready, Boost 110×20 front, 157×12 rear w/7 speed DH freehub
    Bontrager G4 Team Issue, 27.5×2.35˝
  • Drivetrain

    SRAM GX DH, 7 speed
    Rear derailleur
    SRAM GX DH, Roller Bearing Clutch
    Truvativ Descendant, 36T w/MRP G4 chainguide
    Bottom bracket
    SRAM GXP TM, 83 mm
    SRAM PG-720, 11-25, 7-speed
    SRAM PC-1110
    Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
  • Components

    Bontrager Arvada, hollow chromoly rails
    Bontrager Rhythm Elite, 31.6 mm, 0 mm offset
    Bontrager Line, 35 mm, 27.5 mm rise, 780 width
    Bontrager XR Trail Elite, alloy lock-on
    Bontrager Line Pro Direct Mount, 35 mm clamp, 50 mm length
    Head set
    FSA Orbit, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom
    Brake set
    SRAM Guide R hydraulic disc
  • Weight

    M – 17.01 kg / 37.5 lbs (with tubes)
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based on Trek pre-production painted frames at the time of publication. Weights may vary in final production


Additional information

Weight 17 kg


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