Trek Session

  • Model2018 Session 9.9
  • Star Rating (3.5)
  • RRP $10999

When it comes to raw speed, there is nothing quite like a proper downhill mountain bike. Equipped with slack geometry, a dual-crown fork and 210mm of rear suspension travel, the Session is Trek’s purebred gravity machine that is designed to pilot you downhill in the shortest time possible. As a longstanding name in the Trek line-up, the Session has enjoyed terrific success over the years, both on the racetrack and off it. Whether it’s standing on top of a World Cup podium, or riding up the chairlift and punching out runs at the local bike park, the Session is a precision tool for laying waste to steep, technical singletrack.

The carbon Session 9.9 is one of the most coveted DH bikes of all time, having been piloted to numerous World Cup and World Championship victories by Gee Atherton,  Rachel Atherton and Aaron Gwin. The Session controls its 210mm of travel via the Full Floater design, which sees the rear shock floating between the rocker link and the chainstay. This orientation provides Trek’s engineers with additional tuning potential, so the Session can maintain good progression on hard landings, while offering supremely plush feel in the early part of the travel for wicked traction. Combined with the ABP pivot that sees the rear brake mount decoupled from the main swingarm, the Session ensures you’ve got smooth suspension whether you’re hard on the brakes or not. Further details include options for internal and external cable routing, as well as the nifty MinoLink that allows you to easily adjust the Session’s head angle and bottom bracket height.

Reviews from bike beagles

At a glance

  • DownHill_ Freeride.png

    Riding typeDownhill/Freeride

  • Saint.png

    Drive trainSaint

  • 1x10_Mountain.png

    Gear ratios1x10 Mountain

  • Carbon_Pro.png

    Frame buildCarbon Pro


  • Frame OCLV Mountain Carbon main frame and stays, ABP, magnesium EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, Control Freak internal routing, Carbon Armor, ISCG mount, 210 mm travel
  • Fork Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, 20 mm thru-axle, 203 mm travel

  • Wheels DT Swiss FR1950 Gravity Classic, 20mm front, 157x12 rear
  • Tyres Bontrager G4 Team Issue, 27.5x2.35"

  • Shifters Shimano Saint, 10-speed
  • Rear Derailleur Shimano Saint, Shadow Plus
  • Crank Shimano Saint, 36T
  • Cassette Shimano Ultegra, 11-25, 10-speed
  • Chain Shimano XTR
  • Bottom Bracket Sealed cartridge

  • Saddle Bontrager Evoke 3, hollow titanium rails
  • Seatpost Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset
  • Handlebar Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise, 820 mm width
  • Stem Bontrager Line Pro Direct Mount, 35 mm clamp, 50 mm length
  • Brakeset Shimano Saint M820 hydraulic disc
  • Grips Bontrager Rhythm, dual lock-on


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