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2018 Trek Session 8 27.5 Bike (discontinued)

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Product Trek Session 8 27.5 Bike
Model Year 2018
Riding Type Downhill
Rider Unisex
Sizes and Geometry
S, M, L, XL View Geometry
Size S M L XL
Top Tube Length 574mm 594mm 618mm 642mm
Head Tube Angle 63.6° 63.6° 63.6° 63.6°
Head Tube Length 115mm 115mm 115mm 115mm
Seat Tube Angle 57° 57° 57° 57°
Seat Tube Length 426mm 426mm 456mm 456mm
Bottom Bracket Height 356mm 356mm 356mm 356mm
Chainstay Length 445mm 445mm 445mm 445mm
Wheelbase 1183mm 1203mm 1227mm 1251mm
Standover 804mm 790mm 784mm 767mm
Reach 382mm 402mm 426mm 450mm
Stack 607mm 607mm 607mm 607mm
* Additional Info All specifications listed are for "Low" geometry position; seat tube angle listed is actual, not effective.
Wheel Size 27.5" (650b)
Frame Material Aluminum
Frame Material Details Alpha Platinum aluminum, integrated frame protection, down tube guard
Rear Travel 201mm
Rear Shock RockShox Kage RC, coil spring, rebound, adjustable hydraulic compression damping, tuned by Trek Suspension Lab, 8.75" x 2.75"
Fork RockShox BoXXer RC, coil spring, low speed compression, internal preload, Motion Control IS, 20mm Maxle DH
Fork Travel 200mm
Head Tube Diameter Tapered, 1.125" top, 1.5" bottom
Headset FSA Orbit, sealed cartridge bearing
Handlebar Bontrager Rhythm Elite, 31.8mm clamp, 15mm rise, 820mm width
Stem Direct mount, 31.8mm clamp
Grips Bontrager Rhythm, dual lock-on
Brakes SRAM Guide R hydraulic disc
Brake Levers SRAM Guide R hydraulic
Drivetrain 1x
Shifters SRAM GX DH, 7-speed
Front Derailleur N/A (1x-specific)
Rear Derailleur SRAM GX, Roller Bearing Clutch, 7-speed
ISCG Tabs ISCG mount
Chainguide MRP
Cranks SRAM Descendant
Chainrings SRAM Descendant, 36 tooth
Bottom Bracket Sealed cartridge
Pedals Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
Chain SRAM PC-1110
Cassette SRAM PG-720, 11-25 tooth, 7-speed
Rims DT Swiss FR2150
Hubs DT Swiss FR2150, 110x20mm front, 157x12mm rear
Tires Bontrager G4 Team Issue, 27.5" x 2.35"
Saddle Bontrager Evoke 2, chromoly rails
Seatpost Bontrager Rhythm Elite, 2-bolt head, zero offset
Seatpost Diameter 31.6mm
Seatpost Clamp Standard single bolt
Rear Dropout / Hub Dimensions 157x12mm
Max. Tire Size
Bottle Cage Mounts No
Colors Matte Dnister Black
Warranty 3 years frame and swingarm, 1 year paint and decals
Weight 38 lb 6.5 oz (17,420 g)
Miscellaneous EVO link suspension
ABP (Active Braking Pivot)
Mino Link adjustable geometry
Internal cable routing
Price $3,799.99
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