2025 Trek Fuel MX 9.8 XT Di2 Gen 7 – Trail Mountain Bike
Specifications
| 
   Specification  | 
  
   Details  | 
 
| 
   Model  | 
  
   Fuel MX 9.8 XT Di2 Gen 7  | 
 
| 
   Vehicle Category  | 
  
   Trail Mountain Bike  | 
 
| 
   Application  | 
  
   Trail riding, all-mountain, playful handling  | 
 
| 
   Starting Price (2025)  | 
  
   $6,499.99 USD  | 
 
| 
   Color Options  | 
  
   Gloss Dark Carmine/Matte Trek Black, Green-Black, Purple-Black, Reddark-Black  | 
 
| 
   Sizes  | 
  
   S, M, L, XL, XXL  | 
 
Frame & Drivetrain
| 
   Specification  | 
  
   Details  | 
 
| 
   Frame  | 
  
   OCLV Mountain Carbon, internal storage, Mino Link adjustable geometry, Active Braking Pivot (ABP), 150mm travel, 148x12mm thru axle  | 
 
| 
   Fork  | 
  
   Fox Factory 36, GRIP2 damper, 160mm travel, 44mm offset, 15x110mm thru axle  | 
 
| 
   Rear Shock  | 
  
   Fox Factory Float X, 230x57.5mm, 150mm travel  | 
 
| 
   Drivetrain Compatibility  | 
  
   Shimano XT Di2, 1x12-speed, electronic  | 
 
| 
   Dropouts  | 
  
   15x110mm thru axle (F), 148x12mm thru axle (R)  | 
 
| 
   Crank  | 
  
   Shimano XT M8100, 32T, 165mm (S, M, L, XL, XXL)  | 
 
| 
   Chain  | 
  
   Shimano XT M8100, 12-speed  | 
 
| 
   Rear Derailleur  | 
  
   Shimano XT M8150 Di2, 12-speed, electronic  | 
 
| 
   Shifters  | 
  
   Shimano XT M8150 Di2, 12-speed, electronic  | 
 
| 
   Cassette  | 
  
   Shimano XT M8100, 10-51T, 12-speed  | 
 
Components & Features
| 
   Specification  | 
  
   Details  | 
 
| 
   Seating  | 
  
   Bontrager Arvada, 138mm width  | 
 
| 
   Cargo Capacity  | 
  
   Internal storage (Bontrager BITS bag included), downtube water bottle mounts  | 
 
| 
   Wheels/Tyres  | 
  
   Bontrager Line Comp 30, tubeless ready, 29x2.50" (front), 27.5x2.50" (rear)  | 
 
| 
   Wheel Size  | 
  
   29" (front), 27.5" (rear)  | 
 
| 
   Brakes  | 
  
   Shimano XT M8200, 4-piston hydraulic disc, 203mm rotor (F), 180mm rotor (R)  | 
 
| 
   Brake Levers  | 
  
   Shimano XT M8200, hydraulic  | 
 
| 
   Handlebar  | 
  
   Bontrager Line, alloy, 35mm, 27.5mm rise, 820mm width  | 
 
| 
   Stem  | 
  
   Bontrager Line, 35mm, 0 degree, 45mm length  | 
 
| 
   Headset  | 
  
   Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom  | 
 
| 
   Saddle  | 
  
   Bontrager Arvada, 138mm width  | 
 
| 
   Seatpost  | 
  
   Bontrager Line Dropper, 100mm travel (S), 150mm travel (M), 170mm travel (L), 200mm travel (XL, XXL), 34.9mm  | 
 
| 
   Seatpost Clamp  | 
  
   Integrated, internal  | 
 
| 
   Grips  | 
  
   Bontrager XR Trail Elite, nylon lock-on  | 
 
| 
   Front Hub  | 
  
   Bontrager alloy, sealed bearing, 6-bolt, 15x110mm thru axle  | 
 
| 
   Rear Hub  | 
  
   Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano MicroSpline freehub, 148x12mm thru axle  | 
 
| 
   Rims  | 
  
   Bontrager Line Comp 30, tubeless ready, 29mm width (front), 27.5mm width (rear)  | 
 
| 
   Spokes  | 
  
   14g stainless steel  | 
 
| 
   Exterior Features  | 
  
   Internal storage (Bontrager BITS bag included), Mino Link adjustable geometry, Active Braking Pivot (ABP), Knock Block, downtube water bottle mounts  | 
 
