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Today’s Deals2025 Trek
Session 8 29 GX
A 29″ aluminum frame full suspension downhill bike with high-end components.
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Manufacturer Price
$6,049| Weight | 17.9 kg |
|---|---|
| Frame | Aluminum |
| Suspension | Full, 200 / 200mm |
| Fork | RockShox BoXXer |
| Shock | Marzocchi Bomber |
| Wheels | 29″ Aluminum |
| Drivetrain | 1 × 7 |
| Groupset | Truvativ Descendant, GX |
| Brakes | SRAM Hydraulic Disc |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Session model range
View Comparison161cm – 176cm
173cm – 188cm
186cm – 196cm
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Feb 2025 · Mike Kazimer
It'll be interesting to see what changes the bike undergoes between the first World Cup DH race in Poland to the last stop at Mont-Sainte Anne - stay tuned for a closer, more in-depth bike check in the future..
Apr 2021
The new Trek doesn't look like a Session...ok maybe it does, but it's still all new!
Rearward axle path improves small bump compliance and traction
Adjustable geometry via Mino Links
Multiple wheel size options (29er, mullet, 27.5) with same frame
Rear center length increases with frame size for balanced handling
Adjustable progression (20-25%) via lower shock mount Mino Link
Internal and external cable routing
Replaceable downtube protector
Available in aluminum only
| Frame | Alpha Platinum Aluminum, 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, 157x12mm thru axle, 200mm travel BB Standard: BSA, 83mm, Threaded Tire Clearance: 2.5" Color: Satin Trek Black |
|---|---|
| Fork | RockShox Boxxer, DebonAir+ spring, Rush RC damper, 52mm offset, BoostDH 110x20 Maxle Stealth, 200mm travel Travel: 200mm Spring Type: Air |
| Shock | Marzocchi Rear Shock Bomber, 400lb coil spring, 250mm x 72.5mm, 29.97mm x 8mm Pin Mount Upper Width, 24.89mm x 8mm Pin Mount Lower Width, Fox Part Number 968-61-170 - R1: Marzocchi Bomber, 400lb spring, 250mm x 72.5mm; R2: Marzocchi Bomber, 450lb spring, 250mm x 72.5mm; R3: Marzocchi Bomber, 500lb spring, 250mm x 72.5mm Travel: 200mm |
| Bottom Bracket | SRAM DUB, 83mm, BSA threaded |
| Headset | FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom (includes geometry adjust angled cups) |
| Stem | Bontrager Line Pro, 35mm, Direct Mount, 50mm length |
| Handlebar | Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width |
| Saddle | Bontrager Arvada, hollow chromoly rails, 138mm width |
| Seatpost | Bontrager Rhythm Elite, 31.6mm, 0mm offset, 330mm length Type: Rigid |
| Pedals | Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| Rear Derailleur | SRAM GX DH, medium cage |
|---|---|
| Crank | Truvativ Descendant DH, DUB 83, 34T steel ring, 165mm length |
| Shifters | SRAM GX DH, 7 speed |
| Cassette | SRAM PG-720, 11-25, 7 speed |
| Chain | SRAM PC-1110, 11 speed |
| Brakes | SRAM CODE Bronze 4-piston hydraulic disc Type: SRAM Hydraulic Disc |
| Rims | Front: Bontrager Line DH 30, Tubeless Ready, 6-bolt, 110x20mm Boost thru axle, 29'', Rear: Bontrager Line DH 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano 7 speed freehub, 157x12mm thru axle, 29'' |
|---|---|
| Tires | Bontrager G5 Team Issue, wire bead, 2-ply 60 tpi, 29x2.50'' |
| Disc Rotors | Avid Disc Brake Rotor, Centerline, 200mm/6-Bolt, SRAM Part Number 00.5018.111.003 - R1, R2, R3: SRAM CenterLine, 6-bolt, round edge, 200mm; R1, R2, R3: SRAM CenterLine, 6-bolt, round edge, 220mm |
First added 5 July
Last updated 29 November
Not listed for 196 days