Trek Session 27.5 Carbon Frameset


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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, 190mm of travel with a FOX Factory shock, and the best frame tech make it the perfect platform for downhill speed.

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, 190mm 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.

Why you’ll love it
– 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
– OCLV Mountain Carbon is light and strong, even on the wildest runs
– Race or get rowdy? This bike does both
– 27.5 wheels are great for flicking the bike around through the most technical trail
– Mino Link and fixed-angle headset cups let you adjust your geometry for the exact handling you want

Size Rider Height Inseam
Small 157 – 167 cm
5’2″ – 5’6″
74 – 78 cm
29″ – 31″
Medium 168 – 177 cm
5’6″ – 5’10”
79 – 83 cm
31″ – 33″
Large 178 – 187 cm
5’10” – 6’2″
84 – 88 cm
33″ – 35″
X-Large 188 – 196 cm
6’2″ – 6’5″
88 – 92 cm
35″ – 36″


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
Headset FSA Orbit, sealed cartridge bearing, 1-1/8″ top, 1.5″ bottom (includes geometry adjust angled cups)
Rear Shock Fox Factory Float X2, high/low speed rebound adjust, high/low speed compression adjust, tuned by Trek Suspension Lab, 225x75mm
Axles Rear: 157x12mm
Fork Compatibility 203mm-travel
Wheel Compatibility 27.5-inch

* Subject to change without notice.




Option UPC MPN Store SKU
Viper Red / Large 601479718139 554837 SES22372638D
Viper Red / X-Large 601479718146 554838 SES23274034D


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