2026 Trek Fuel MX 9.9 X0 AXS Gen 7 Carbon Trail/Enduro Mountain Bike
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Product Description
2026 Trek Fuel MX 9.9 X0 AXS Gen 7 Carbon Trail/Enduro Mountain
The Fuel MX 9.9 X0 AXS Gen 7 is Trek's top-tier, chaos-craving trail bike designed for riders who prioritize agility and playfulness. The OCLV Mountain Carbon frame features a "Mullet" (MX) wheel configuration—pairing a stable 29" front wheel with a nimble 27.5" rear wheel. With a 160mm Fox Factory suspension package, wireless SRAM X0 AXS shifting, and the high-performance Fox Transfer NEO dropper, this build is optimized for steep descents, big jumps, and technical mastery.
Technical Specifications
| Frame & Weight | |
|---|---|
| Frame Material | OCLV Mountain Carbon |
| Frame Design | Gen 7 Carbon, Internal Storage, Adjustable Leverage Rate, Guided Internal Routing, UDH, Boost148 |
| Wheel Size | MX (29" Front / 27.5" Rear) |
| Travel | 160mm Front / 150mm Rear (Adaptable 145mm-160mm) |
| Suspension | |
| Fork | Fox Factory 36, Float EVOL air spring, GRIP X2 damper, 160mm travel |
| Rear Shock | Fox Factory Float X, 205 mm x 60 mm |
| Drivetrain (Wireless Transmission) | |
| Rear Derailleur | SRAM X0 Eagle AXS, T-Type, 12-speed |
| Shifters | SRAM AXS Pod Controller |
| Crankset | SRAM X0 Eagle, DUB, 30T, T-Type, 170mm |
| Cassette | SRAM Eagle XS-1295, T-Type, 10-52, 12-speed |
| Chain | SRAM X0 Eagle, T-Type, 12-speed |
| Bottom Bracket | SRAM DUB MTB Wide, 73mm, BSA Threaded |
| Brakes & Cockpit | |
| Brakeset | SRAM Maven Silver 4-piston hydraulic disc |
| Rotors | SRAM HS2, 6-bolt (180mm / 200mm) |
| Handlebars | Race Face ERA Carbon, 35mm, 27.5mm rise, 800mm |
| Stem | Race Face Turbine R, 35mm, 40mm length |
| Seatpost | Fox Transfer NEO (Wireless Electronic Dropper) |
| Saddle | Verse Short Pro, Carbon Rails, 145mm |
| Wheels & Tires | |
| Wheels | Bontrager Line Pro 30, OCLV Mountain Carbon, Rapid Drive 108 |
| Front Tire | Maxxis Assegai, 3C MaxxGrip, EXO+, 29x2.5" |
| Rear Tire | Maxxis Minion DHR II, 3C MaxxTerra, EXO+, 27.5x2.5" |
Detailed Specs & Fit
- Wheel Configuration: MX (Mixed) setup for maximum cornering agility
- Internal Storage: Integrated Downtube Storage for tools and snacks
- Adjustability: Adjustable leverage rate and interchangeable alloy rocker links
- Protection: Integrated Downtube guard and Shuttle guard
- Transmission: SRAM T-Type Direct Mount for crisp shifting under load
Size Guide
| Size | Rider Height (cm) | Rider Height (ft/in) | Inseam (cm) | Inseam (in) |
|---|---|---|---|---|
| S | 155 - 165 cm | 5'1" - 5'5" | 74 - 78 cm | 29" - 31" |
| M | 165 - 176 cm | 5'5" - 5'9" | 79 - 83 cm | 31" - 33" |
| L | 177 - 188 cm | 5'10" - 6'2" | 84 - 89 cm | 33" - 35" |
| XL | 188 - 195 cm | 6'2" - 6'5" | 89 - 91 cm | 35" - 36" |
| 2XL | 195 - 203 cm | 6'5" - 6'8" | 91 - 97 cm | 36" - 38" |
