Brand: TREK
Reference: 5279085
The Trek bike, model 2025 Session 8, is a downhill mountain bike with a robust aluminum frame and a high-pivot suspension design that provides maneuverability, speed and stability on the most demanding routes.
Frame Assembly
Alpha Platinum Aluminum frame, high main pivot, tensioner to guide the upper section of the chain, integral frame protection, internal or external routing, Magnesium rocker link, Mino Link, ISCG 05 2-bolt mount, Active Braking Pivot, 157x12mm thru-axle, 200mm travel
RockShox Boxxer fork, DebonAir+ spring, Rush RC shock, 52 mm offset, BoostDH 110x20, Maxle Stealth, 200 mm travel
*Shock absorber
Size: R1
Marzocchi Bomber, 400 lb spring, 250 mm x 72.5 mm
Size: R2
Marzocchi Bomber, 450 lb spring, 250 mm x 72.5 mm
Size: R3
Marzocchi Bomber, 500 lb spring, 250 mm x 72.5 mm
Maximum compatible fork travel 200mm
Wheels
Bontrager Line DH 30 front wheel, Tubeless Ready, 6 bolts, Boost 110x20 mm thru axle
Bontrager Line DH 30 rear wheel, Tubeless Ready, Rapid Drive 108, 6 bolts, 7-speed Shimano hub, 157x12 mm thru axle
Rear closure Bontrager Switch thru axle, removable cam
Bontrager Line DH 30 Rim, Tubeless Ready
Bontrager G5 Team Issue tire, wire bead, 2-ply 60 tpi, 29x2.50"
Bontrager TLR rim tape
Max. size. of the tire Frame: 29x2.50", Fork: See manufacturer
Transmission
SRAM GX DH shift lever, 7 speeds
SRAM GX DH rear derailleur, medium cage
Truvativ Descendant DH bottom bracket, DUB 83, 34T steel plate, length 165 mm
SRAM DUB bottom bracket, 83 mm, BSA with thread
SRAM PG-720 cassette, 11-25, 7 speeds
SRAM PC-1110 chain, 11 speeds
Wellgo BO-87B pedal, alloy body, Cro-Mo axle, replaceable pins
Maximum chainring size 1x: 36T
Components
Bontrager Arvada saddle, hollow chromoly rails, width 138 mm
Bontrager Rhythm Elite seatpost, 31.6 mm, 0 mm offset, 330 mm length
Bontrager Line handlebar, aluminum, 35 mm, height 27.5 mm, width 780 mm
Bontrager XR Trail Elite grips, nylon lock
Bontrager Line Pro stem, 35 mm, Direct Mount, length 50 mm
FSA Orbit headset, sealed cartridge bearing, 1-1/8” top and 1.5” bottom (includes angle cups to adjust geometry)
SRAM CODE Bronze 4-piston hydraulic disc brake
*Brake disc
Size: R1, R2, R3
SRAM CenterLine, 6 bolts, rounded edge, 180 mm
Size: R1, R2, R3
SRAM CenterLine, 6 bolts, rounded edge, 200 mm
Disc size Maximum brake disc sizes - Frame: 220mm, Fork: see fork manufacturer
Weight
Weight M - 17.92 kg / 39.51 lbs
Weight limit This bicycle has a maximum weight limit (combined weight of bicycle, rider and cargo) of 136 kg.
