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SALE 2018

Session 29 Frameset

$3,499.99 $4,999.99 Model 22307

While the rest of the industry was mucking about with 29˝ DH bike prototypes for professional mountain bike racers, we brought the party to the people with our first production 29er downhill bike. Session 29 Carbon Frameset pairs fast-rolling 29er performance and our proven downhill frame technology. It's long, stable, and aggressive, with a geometry dialed for your fastest runs ever.

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It's right for you if...

You need speed. You live for it. You dream about it. And when you're on the mountain, you're gonna get after it. You want a faster-rolling 29˝ wheels, a carbon frame, and the latest DH tech out there.

The tech you get

We call it a frameset, but it's a whole lot more than that: it also comes with the top-of-the-line and hard-to-find FOX 40 29er fork. Session 29 is built with an ultralight and ultra-durable OCLV Mountain Carbon, 190mm front and rear FOX Factory suspension, Carbon Armor, and integrated frame protection like built-in bumpers for the double-crown fork. Plus, it has frame tech that lets you dial your geometry, like Mino Link and the included fixed-angle headset cups.

The final word

This is the fastest downhill bike we make. This 29er-optimized carbon ride is great for rolling over the rough stuff and getting to the finish line with plenty of time to spare. 

favorite_borderWhy you'll love it

  1. We put a whole lot into this bike, including nearly a decade of research and development by engineers and designers who wanted to break the mold of DH capability and speed—and they succeeded
  2. Session 29 is taking downhill to a new place, and it's leading the charge on the World Cup circuit among the very first 29er DH bikes
  3.  The fastest runs demand the most dialed setup: the air shock and fork on Session 29 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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  • Frameset

    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, 190mm travel
    Fox Factory 40 FIT RC2, air spring, Kashima Coat, hi/lo speed compression, Boost 110x20 thru axle, 190mm travel
    Rear suspension
    Fox Factory Float X2, high/low speed rebound adjust, high/low speed compression adjust, tuned by Trek Suspension Lab, 225x70mm
  • Components

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

    M – 6.17 kg / 13.60 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


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
M M Low 42.5 56.6° 73.1° 11.5 62.1° 590.0 35.0 2.3 45.3 5.8 13.1 124.8 73.6 41.5 61.9
S S Low 42.5 56.6° 73.1° 11.5 62.1° 57.1 35.0 2.3 45.3 5.8 13.1 122.9 73.6 39.6 61.9

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