Session 9 X01
The Trek Session 9 X01 2025 is a high-performance downhill mountain bike designed for tackling downhill descends. It's robust alluminium frame and high-pivot suspension provide a nimble and planted ride. This Bike's built with Trek's best DH suspe- -nsion package which delivers a plush and controlled suspension performance. Equipped with powerful SRAM Maven Ultimate 4-piston brakes and other durable compentents, you don't want ot miss out on this downhill beast.
It's right for you if...
You. Love. Speed. And you’re looking for a beefy DH bike that’s built to keep up. You want a smarter, faster suspension design that keeps you in control, and you want the top-of-the-line fork, shock and brakes.
High Pivot Design
The high pivot design delivers a more efficient rearward axle path so you’ll carry more speed and your wheel won’t get hung up on obstacles
Adjustable Suspension
Adjust your suspension progression by flipping the lower shock mount chip – 20% for plush park rides, 25% for racing efficiency
Geometry
| Frame size letter | R1 | R1 | R2 | R2 | R3 | R3 |
|---|---|---|---|---|---|---|
| Geometry position | High | Low | High | Low | High | Low |
| Wheel size | 29" | 29" | 29" | 29" | 29" | 29" |
| A - Seat tube | 42.5 | 42.5 | 42.5 | 42.5 | 42.5 | 42.5 |
| B - Seat tube angle | 61.6° | 61.0° | 61.6° | 61.0° | 61.6° | 61.0° |
| Effective seat tube angle | 77.1° | 76.5° | 77.1° | 76.5° | 77.1° | 76.5° |
| C - Head tube length | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 |
| D - Head angle | 63.6° | 63.0° | 63.6° | 63.0° | 63.6° | 63.0° |
| E - Effective top tube | 58.6 | 58.7 | 61.7 | 61.8 | 65.2 | 65.3 |
| F - Bottom bracket height | 35.9 | 35.0 | 35.9 | 35.0 | 35.9 | 35.0 |
| G - Bottom bracket drop | 1.2 | 2.1 | 1.2 | 2.1 | 1.2 | 2.1 |
| H - Chainstay length | 43.5 | 43.9 | 44.1 | 44.5 | 44.8 | 45.2 |
| I - Offset | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 |
| J - Trail | 13.1 | 13.6 | 13.1 | 13.6 | 13.2 | 13.6 |
| K - Wheelbase | 124.3 | 124.6 | 127.4 | 127.7 | 130.9 | 131.2 |
| L - Standover | 75.5 | 74.7 | 75.9 | 75.1 | 75.7 | 74.9 |
| M - Frame reach | 44.7 | 44.0 | 47.2 | 46.5 | 49.9 | 49.3 |
| N - Frame stack | 63.4 | 63.9 | 63.4 | 63.9 | 63.4 | 63.9 |
- 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
- FRAME MATERIAL:
- Aluminium
- FORK BRAND:
- RockShox
- FORK:
- RockShox Boxxer Ultimate, DebonAir+ spring, Charger 3 damper, 52 mm offset, BoostDH 110x20 Maxle Stealth, 200 mm travel
- FORK TRAVEL:
- 200 mm
- REAR SHOCK:
- RockShox Vivid Ultimate, 250 mm x 72.5 mm
- WHEEL SIZE:
- 29
- WHEELS:
- Front: Bontrager Line DH 30, Tubeless Ready, 6-bolt, 110x20 mm Boost thru axle, 29" / Rear: Bontrager Line DH 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano 7 speed freehub, 157x12 mm thru axle, 29"
- TYRES:
- Bontrager G5 Team Issue, wire bead, 2-ply 60 tpi, 29x2.50"
- DROPPER SEATPOST:
- Yes
- SEATPOST:
- Bontrager Rhythm Elite, 31.6 mm, 0 mm offset, 330 mm length
- SADDLE:
- Verse Short Elite, hollow magnesium rails, 145 mm width
- CRANKSET:
- SRAM X01 DH, DUB 83, 34T alloy ring, 165 mm length
- STEM:
- Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length
- GRIPS:
- Bontrager XR Trail Elite, nylon lock-on
- SHIFTERS:
- SRAM X01 DH, 7 speed
- BRAKE BRAND:
- Sram
- HYDRAULIC BRAKES:
- Yes
- BRAKES:
- SRAM Maven Ultimate 4-piston hydraulic disc
- REAR DERAILLEUR:
- SRAM X01 DH, medium cage
- CHAIN:
- SRAM PC-1110, 11-speed
- NUMBER OF GEARS:
- 11 Speed
- PEDALS:
- Wellgo MG-1, magnesium body, Cro-Mo axle, replaceable pins
- FRONT MUDGUARD:
- MTB Monster Mudguard
- EXTRAS:
- N/A
- TYPE OF BIKE:
- Downhill
- DESIGNED FOR:
- Purely focused on conquering descents in the most efficient and aggressive way possible. Not designed for pedalling uphill and are typically loaded onto lifts or shuttles to reach the starting point.
- IDEAL TERRAIN:
- Descents with features like steep chutes, huge drops, challenging jumps and very technical rock gardens.
- PLEASE NOTE:
- Trek reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible p
