Fuel MX 9.9 X0 AXS Gen 7
OverviewAbout the Trek Fuel MX 9.9 X0 AXS Gen 7
The Trek Fuel MX 9.9 X0 AXS Gen 7 is a mountain bike, built on a carbon frame, listed at $15,199.99. An off-road bike for trails, with grippy tyres and trail-ready geometry.
SizingWhat size Fuel MX 9.9 X0 AXS Gen 7 do I need?
Enter your height to see the size Trek recommends.
| Size | Rider height | In feet | Inseam |
|---|---|---|---|
| S | 155 to 165 cm | 5 ft 1 in to 5 ft 5 in | 74 to 78 cm |
| M | 165 to 177 cm | 5 ft 5 in to 5 ft 10 in | 79 to 83 cm |
| L | 177 to 188 cm | 5 ft 10 in to 6 ft 2 in | 84 to 89 cm |
| XL | 188 to 195 cm | 6 ft 2 in to 6 ft 5 in | 89 to 91 cm |
| 2XL | 195 to 203 cm | 6 ft 5 in to 6 ft 8 in | 91 to 97 cm |
Rider heights from Trek's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
- Brand
- Trek
- Model year
- 2027
- Category
- Mountain
- Frame
- Carbon
- Wheel size
- Mullet (29/27.5)
- Drivetrain
- SRAM X0 Eagle AXS 1x12
- Brakes
- Disc
- Frame sizes
- S, M, L, XL, 2XL
- Price
- $15,199.99, RRP AUD (Trek Australia, checked 16 Oct 2026)
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize M
- Stack
- 627 mm
- Reach
- 456 mm
- Stack/reach
- 1.38
- Head angle
- 64.2 deg
- Seat angle
- 77.5 deg
- Wheelbase
- 1228 mm
- Chainstay
- 434 mm
- BB drop
- 31 mm
- Standover
- 747 mm
- Fork rake
- 44 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- SRAM X0 Eagle AXS
- Shifting
- Electronic
- Drive
- 1x
- Speeds
- 12
- Crank
- SRAM X0 Eagle, DUB, 30T, T-Type, 55mm chainline, 165mm length
- Chainrings
- 30
- Cassette
- SRAM Eagle XS-1295, T-Type, 10-52, 12-speed
- Rear derailleur
- SRAM X0 Eagle AXS, T-Type
- Brakes
- SRAM Maven Silver 4-piston hydraulic disc
- Rotors
- 200/180mm
- Wheelset
- Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29"
- Stock tyre
- 27.5x2.5
- Tubeless
- Yes
- Fork material
- Rockshox ZEB Ultimate B1, Linear XL w/ ButterCups, Charger 3.2 RC2 damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 170mm travel
- BB standard
- SRAM DUB MTB Wide, 73 m, BSA threaded
- Seatpost
- Fox Transfer NEO, 175 mm travel, 34.9 mm
- Cockpit
- Race Face Turbine R, 35mm, 0 degree, 40mm length / Race Face ERA, carbon, 35 mm, 27.5 mm rise, 800 mm width
- Saddle
- Trek Aeolus Pro, carbon fibre rails, AirLoom lattice 145 mm width
- UDH
- Yes
SuspensionMTB detail
- Front travel
- 170 mm
- Fork
- Rockshox ZEB Ultimate B1
- Shock
- RockShox Vivid Ultimate D1
- Wheel config
- Mullet
- Dropper
- Fox Transfer NEO
- Dropper travel
- 175 mm
- Discipline
- All-mountain
- Suspension
- full suspension
Bike DNAWhat the numbers say
- Steering
- A 64.2 deg head angle points to very slack, built for steep descending.
- Climbing
- Lowest ratio 0.58 is a very low climbing gear for steep or loaded climbs.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (Trek Australia product data 81565 (spec list, geometry chart, size chart)), verified 2026-10-16. This is a specification analysis, not a physical ride review.
Where to buyStockist
BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked.
