Trek Session 8 29 GX 2026
5342069
The Session 8 is a downhill mountain bike with a burly alloy frame and high-pivot suspension design that keeps you nimble, planted and blazing-fast on even the most punishing runs.
| Frame | Alpha Platinum Aluminium, high main pivot, idler pulley, integrated frame protection, internal or external routing, magnesium rocker link, Mino Link, ISCG 05 2-bolt mount, Active Braking Pivot, 157x12 mm thru-axle, 200 mm travel |
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| Fork | RockShox Boxxer, DebonAir+ spring, Rush RC damper, 52 mm offset, BoostDH 110x20 Maxle Stealth, 200 mm travel |
| *Shock |
Size: R1 Marzocchi Bomber, 181 kg/400 lb spring, 250 mm x 72.5 mm
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Size: R2 Marzocchi Bomber, 204 kg/450 lb spring, 250 mm x 72.5 mm
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Size: R3 Marzocchi Bomber, 227 kg/500 lb spring, 250 mm x 72.5 mm
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| Max compatible fork travel | 200mm |
Wheels
| Wheel front | Bontrager Line DH 30, Tubeless Ready, 6-bolt, 110x20 mm Boost thru axle, 29" |
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| Wheel rear | Bontrager Line DH 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano 7 speed freehub, 157x12 mm thru axle, 29" |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Tyre | Bontrager G5 Team Issue, wire bead, 2-ply 60 tpi, 29x2.50" |
| Rim strip | Bontrager TLR |
| Max tyre size | Frame: 29x2.50", Fork: See manufacturer |
Drivetrain
| Shifter | SRAM GX DH, 7-speed |
|---|---|
| Rear derailleur | SRAM GX DH, medium cage |
| Crank | Truvativ Descendant DH, DUB 83, 34-T steel ring, 165 mm length |
| Bottom bracket | SRAM DUB, 83 mm, BSA threaded |
| Cassette | SRAM PG-720, 11-25, 7-speed |
| Chain | SRAM PC-1110, 11-speed |
| Pedal | Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins |
| Max. chainring size | 1x: 36T |
Components
| Saddle | Verse Short Comp, steel rails, 145 mm width |
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| Seatpost | Bontrager Rhythm Elite, 31.6 mm, 0 mm offset, 330 mm length |
| Handlebar | Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width |
| Grips | Trek Line Pro, lock on |
| Stem | Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length |
| Head set | FSA Orbit, sealed cartridge bearing, 1-1/8" top, 1.5" bottom (includes geometry-adjust angled cups) |
| Brake | SRAM Maven Bronze 4-piston hydraulic disc |
| *Brake rotor |
Size: R2, R3, R1 SRAM CentreLine, 6-bolt, round-edge, 220 mm
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Size: R2, R3, R1 SRAM CenterLine 2.0, 6-bolt, 200 mm
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| Rotor size | Max brake rotor sizes - Frame: 220mm, Fork: see fork manufacturer |
Weight
| Weight | |
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| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
Sizing
| Size | Rider Height | Inseam |
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| R1 |
161 - 175 cm 5'3" - 5'9" |
76 - 82 cm 30" - 32" |
| R2 |
174 - 188 cm 5'9" - 6'2" |
82 - 88 cm 32" - 35" |
| R3 |
186 - 196 cm 6'1" - 6'5" |
87 - 92 cm 34" - 36" |
