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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 | 39.5 lbs |
|---|---|
| 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 Comparison5'3" – 5'10"
5'8" – 6'3"
6'1" – 6'6"
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 and idler pulley improve square bump compliance and traction
ABP system provides neutral braking characteristics
Adjustable progressivity (20-25%) and BB height via Mino Links
Wheel size options: full 29er, mullet, full 27.5" on same frame
Chainstay length increases with frame size (439mm/445mm/452mm)
Internal and external cable routing
Replaceable downtube protector
Aluminum only, no carbon option
| 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 July 5
Last updated November 29
Not listed for 181 days