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2018

Session 27.5 Frameset

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$3,999.99 Model 22049
Session C 27.5 frameset is a carbon DH mountain bike frame and the bike of choice for World Champion Rachel Atherton. Strong and light OCLV Mountain Carbon tubes, FOX Factory shock with 210mm of travel, and the best frame tech make it the perfect platform for downhill speed.
Session C 27.5 frameset is a carbon DH mountain bike frame and the bike of choice for World Champion Rachel Atherton. Strong and light OCLV Mountain Carbon tubes, FOX Factory shock with 210mm of travel, and the best frame tech make it the perfect platform for downhill speed.
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It's right for you if...

You seek out the steepest descents, the fastest lines, and the biggest jumps. You're looking for a fast, agile, light DH ride with a high-quality shock and the best frame tech for ridiculous speed in downhill races.

The tech you get

A strong and light OCLV Mountain Carbon frame, adjustable FOX Factory Float X2 shock tuned by Trek Suspension Lab with 210mm of travel, Carbon Armor frame protection, FSA Orbit headset, and exclusive trail tech like ABP, Full Floater, and Mino Link. Built for 27.5˝ wheels.

The final word

This is the frameset of choice for the first perfect-season World Cup champion, Rachel Atherton. It's light, fast, agile, and proven on the world's biggest stage.

favorite_borderWhy you'll love it

  1. Session has the heart of a monster truck: it rolls over everything, gives you the confidence to take on rougher trails, and saves you when you don't take the right line
  2. OCLV Mountain Carbon is light and strong, even on the wildest runs
  3. Race or get rowdy? This bike does both
  4. 27.5 wheels are great for flicking the bike around through the most technical trail

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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
    Rear suspension
    Fox Factory Float X2, high/low speed rebound adjust, high/low speed compression adjust, tuned by Trek Suspension Lab, 225x75mm
  • Components

    Headset
    FSA Orbit, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom (includes geometry adjust angled cups)
  • Weight

    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

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

All measurements provided in cm unless otherwise noted.

Frame size number Frame size letter Geometry position 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 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 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 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 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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