Trek Session AL 27.5 Frameset - 2019

Trek Session AL 27.5 Frameset
Matte Slate
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Session AL 27.5 frameset is a burly alloy downhill mountain bike frame that's equally at home between the tape and at the DH park. It's built for 27.5-inch wheels, with 210mm of travel and a FOX Performance VAN shock tuned by Trek Suspension Lab.

It's right for you if...

You're looking to build a rugged DH or park bike for the biggest trails out there, and want a 27.5-inch optimized frameset with exclusive trail tech, like adjustable Mino Link geometry, that can't be found anywhere else.

The tech you get

A burly Alpha Platinum Aluminum frame, an adjustable FOX Performance shock with 210mm of travel, integrated frame protection, FSA Orbit headset, and exclusive trail tech like ABP, Full Floater, and Mino Link. Built for 27.5-inch wheels.

The final word

This burly frameset is perfectly capable of taking on the roughest, fastest descents you can find, and it's equally at home in the park, too. The best DH frame tech, a stable geometry, and a quality shock give you a head start on your dream downhill rig.

Why 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 - Quality FOX Performance suspension and our ABP frame design keep you in control
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


Frame Alpha Platinum Aluminum, ABP, Full Floater, EVO Link, tapered head tube, Mino Link, integrated frame protection, internal control routing, MicroTruss, down tube guard, ISCG Mount, 210mm travel
Headset FSA Orbit, sealed cartridge bearing, 1-1/8-inch top, 1.5-inch bottom
Rear Shock Fox Performance VAN, externally adjustable rebound and low-speed compression; (Small 400lb; Medium 450lb; Large 500lb; X-Large 500lb spring), tuned by Trek Suspension Lab, 8.75x2.75-inch

Part Numbers

Option UPC MPN
Matte Slate / Small 601479930340 573476
Matte Slate / Medium 601479930357 573477
Matte Slate / Large 601479930364 573478


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