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2018

Session 9.9 DH 27.5 Race Shop Limited

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$7,999.99 Model 1176800-2018
Session 9.9 is the pinnacle of downhill mountain bike performance. It's built for one reason: going as fast as freakin' possible down hills. It pairs proven Shimano Saint parts with our premium OCLV Mountain Carbon frame and FOX Factory suspension. This is the same DH bike the pros ride, and the bike of choice for World Champion Rachel Atherton.
Session 9.9 is the pinnacle of downhill mountain bike performance. It's built for one reason: going as fast as freakin' possible down hills. It pairs proven Shimano Saint parts with our premium OCLV Mountain Carbon frame and FOX Factory suspension. This is the same DH bike the pros ride, and the bike of choice for World Champion Rachel Atherton.
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It's right for you if...

You want the best downhill bike we offer. You seek out the steepest descents, the fastest lines, and the biggest jumps. You like to dial in your ride, and want the ability to fine-tune your suspension, fit, and handling on a bike that makes no compromises.

The tech you get

An OCLV Mountain Carbon frame, 203mm/210mm tuneable front and rear FOX Factory air suspension, DT Swiss FR1950 Gravity Classic wheels, and proven Shimano Saint drivetrain and brakes. This is a full-on DH race bike, and it's built so you can refine your setup for your fastest runs with Mino Link and an adjustable fixed-angle headset.

The final word

Best frame, best suspension, best parts. This is the only choice if you're a true DH devotee. Session 9.9 is simply the fastest bike on the mountain, even when that mountain is a stop on the World Cup circuit.

favorite_borderWhy we love it

  1. This is the same bike ridden by Rachel Atherton, the first mountain biker in history to earn a perfect World Cup season
  2. It's like a precision wrecking ball that gives you the confidence to tear down mountains and take the fastest, burliest lines
  3. The fastest runs demand the most dialed setup: the air shock and fork on Session 9.9 are adjustable and easy to fine-tune for different tracks
  4. Mino Link and fixed-angle headset cups let you adjust your geometry for the exact handling you want

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Features

Specifications

  • Frameset

    Frame
    OCLV Mountain Carbon main frame & stays, ABP, magnesium EVO Link, E2 tapered head tube, Mino Link, integrated frame protection, Control Freak internal routing, Carbon Armor, ISCG mount, 210mm travel
    Front suspension
    Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, 20mm thru axle, 203mm travel
    Rear suspension
    Fox Factory Float X2, high/low speed rebound adjust, high/low speed compression adjust, tuned by Trek Suspension Lab, 225x75mm
  • Wheels

    Wheels
    DT Swiss FR1950 Gravity Classic, 110x20 front, 157x12 rear
    Tires
    Bontrager G4 Team Issue, 27.5x2.35˝
  • Drivetrain

    Shifters
    Shimano Saint, 10 speed
    Rear derailleur
    Shimano Saint, Shadow Plus
    Crank
    Shimano Saint, 36T w/MRP G4 carbon chainguide
    Bottom bracket
    sealed cartridge
    Cassette
    Shimano Ultegra, 11-25, 10 speed
    Chain
    Shimano XTR
    Pedals
    Wellgo MG-1, magnesium body, Cro-Mo axle, replaceable pins
  • Components

    Saddle
    Bontrager Evoke 3, titanium rails
    Seatpost
    Bontrager Rhythm Elite, 2-bolt head, 31.6mm, zero offset
    Handlebar
    Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 820mm width
    Grips
    Bontrager Rhythm, dual lock-on
    Stem
    Bontrager Line Pro Direct Mount, 35mm clamp, 50mm length
    Headset
    FSA Orbit, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom (includes geometry adjust angled cups)
    Brakeset
    Shimano Saint M820 hydraulic disc
  • Weight

    Weight
    M – 15.22 kg / 33.55 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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 off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

 

Rider Height

All measurements provided in cm unless otherwise noted.

Frame size number Frame size letter Geometry position Wheel size A Seat tube B Seat tube angle Effective seat tube angle C Head tube length D Head angle E Effective top tube F Bottom bracket height G Bottom bracket drop H Chainstay length I Offset J Trail K Wheelbase L Standover M Frame reach N Frame stack Frame rise
S S Low facetWheelSize3 42.5 57.5° 74.0° 11.5 63.0° 56.9 34.9 0.85 44.6 5.2 12.4 121.7 73.2 40.5 61.9 61.9
M M Low facetWheelSize3 42.5 57.5° 74.0° 11.5 63.0° 58.8 34.9 0.85 44.6 5.2 12.4 123.6 73.3 42.4 61.9 61.9
L L Low facetWheelSize3 45.6 57.5° 74.0° 11.5 63.0° 60.9 34.9 0.85 44.6 5.2 12.4 125.7 74.0 44.5 61.9 61.9
XL XL Low facetWheelSize3 45.6 57.5° 74.0° 11.5 63.0° 63.4 34.9 0.85 44.6 5.2 12.4 128.2 74.2 47.0 61.9 61.9

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