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  • Session C 27.5 Frameset
2020

Session C 27.5 Frameset

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$3,999.99 Model 22049

Session C 27.5 frameset is an agile carbon DH mountain bike that's built for tearing up the biggest descents. Strong and light OCLV Mountain Carbon tubes, 210mm of travel with a FOX Factory shock, 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 full OCLV Mountain Carbon frame, 210mm of travel with an adjustable FOX Factory Float X2 shock tuned by Trek Suspension Lab, Carbon Armor frame protection, and adjustable fixed-angle FSA Orbit headset, and exclusive trail tech like ABP and Mino Link. Built for 27.5˝ wheels.

The final word

This light and nimble bike is built for speed and agility on the biggest, roughest downhill runs.

See it in action

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
  5. Mino Link and fixed-angle headset cups let you adjust your geometry for the exact handling you want

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Features

Active Braking Pivot

Active Braking Pivot

Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.

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OCLV Mountain Carbon

OCLV Mountain Carbon

Trek's mountain-specific carbon fiber is tougher carbon, with unique materials and layup procedures, Trek's advanced engineering, and a higher standard of testing.

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Suspension Calculator

Suspension Calculator

This suspension calculator will help you optimize your suspension settings for your riding weight. Simply follow the steps to find your best set up.

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Mino Link adjustable geometry

Mino Link adjustable geometry

Fine tune head tube angle by 1/2° and BB height by up to 10mm with the simple turn of a nut. Just flip the link to choose between slack or slacker geometry, without negatively affecting suspension performance. A Trek exclusive.

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Carbon Armor

Carbon Armor

Sometimes you need a little extra protection, so we developed our light, tough external Carbon Armor polymer shield. It provides reassurance when you know your down tube is bound to take some abuse.

Specifications

  • Frameset

    Frame
    OCLV Mountain Carbon main frame & stays, tapered head tube, integrated frame protection, Control Freak internal routing, magnesium rocker link, Mino Link, ISCG mount, ABP, 12x157mm thru axle, 190mm travel
    Max compatible fork travel
    200mm
    Rear suspension
    Fox Factory Float X2, 225x75mm

  • Wheels

    Max tire size
    27.5x2.40"

  • Drivetrain

    Max chainring size
    36T

  • Components

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

  • Weight

    Weight
    M - 3.27 kg / 7.2 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

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

Inseam

All measurements provided in cm unless otherwise noted.

Frame size letter Geometry position Wheel size A — Seat tube B — 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
S High 27.5" 42.5 58.0° 11.5 63.5° 57.9 35.6 2.0 44.5 5.2 12.0 121.6 73.8 41.0 61.6
M High 27.5" 42.5 58.0° 11.5 63.5° 58.4 35.6 2.0 44.5 5.2 12.0 123.5 43.9 42.9 61.6
L High 27.5" 45.6 58.0° 11.5 63.5° 60.6 35.6 2.0 44.5 5.2 12.0 125.6 74.6 45.0 61.6
XL High 27.5" 45.6 58.0° 11.5 63.5° 63.1 35.6 2.0 44.5 5.2 12.0 128.1 74.8 47.5 61.6
S Low 27.5" 42.5 57.5° 11.5 63.0° 58.1 34.9 0.9 44.6 5.2 12.4 121.7 73.2 40.5 61.9
M Low 27.5" 42.5 57.5° 11.5 63.0° 60.0 34.9 0.9 44.6 5.2 12.4 123.6 73.3 42.4 61.9
L Low 27.5" 45.6 57.5° 11.5 63.0° 62.1 34.9 0.9 44.6 5.2 12.4 125.7 74.0 44.5 61.9
XL Low 27.5" 45.6 57.5° 11.5 63.0° 64.6 34.9 0.9 44.6 5.2 12.4 128.2 74.2 47.0 61.9

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