2025 Trek Top Fuel 9 Gen 4 – Trail Full Suspension Mountain Bike
Specifications
|
Specification |
Details |
|
Model |
Top Fuel 9 Gen 4 |
|
Vehicle Category |
Trail Full Suspension Mountain Bike |
|
Application |
Trail riding, XC, endurance |
|
Starting Price (2025) |
$5,249.99 USD |
|
Color Options |
Juniper, Matte Dark Web |
|
Sizes |
S (27.5" wheel), M, ML, L, XL |
Frame & Drivetrain
|
Specification |
Details |
|
Frame |
Alpha Platinum Aluminum, Active Braking Pivot (ABP), Knock Block, internal storage, Mino Link adjustable geometry, magnesium EVO link, conservative geometry, 120mm travel, 148x12mm thru axle |
|
Fork |
Fox Rhythm 34, Float EVOL air spring, GRIP damper, 130mm travel, 44mm offset, 15x110mm thru axle |
|
Rear Shock |
Fox Performance Float DPS, 3-position lever, 190x45mm, 120mm travel |
|
Drivetrain Compatibility |
SRAM GX Eagle AXS, 1x12-speed, wireless |
|
Dropouts |
148x12mm thru axle (R), 15x110mm thru axle (F) |
|
Crank |
SRAM GX Eagle, 32T, 165mm (S), 170mm (M, ML, L, XL) |
|
Chain |
SRAM GX Eagle, 12-speed |
|
Rear Derailleur |
SRAM GX Eagle AXS, wireless |
|
Shifters |
SRAM AXS Pod, wireless, 12-speed |
|
Cassette |
SRAM XS-1275 Eagle, 10-52T, 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" (M, ML, L, XL), 27.5x2.50" (S) |
|
Wheel Size |
29" (M, ML, L, XL), 27.5" (S) |
|
Brakes |
SRAM Code Bronze Stealth, 4-piston hydraulic disc, 180mm rotor (F, R) |
|
Brake Levers |
SRAM Code Bronze Stealth, hydraulic |
|
Handlebar |
Bontrager Line, alloy, 35mm, 27.5mm rise, 750mm width |
|
Stem |
Bontrager Elite, 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 Elite Dropper, 100mm travel (S), 150mm travel (M, ML), 170mm travel (L, XL), 34.9mm, internal routing |
|
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, SRAM XD freehub, 148x12mm thru axle |
|
Rims |
Bontrager Line Comp 30, tubeless ready, 28-hole, 29mm width (M, ML, L, XL), 27.5mm width (S), Presta valve |
|
Spokes |
14g stainless steel |
|
Exterior Features |
Active Braking Pivot (ABP), Knock Block, internal storage (Bontrager BITS bag included), Mino Link adjustable geometry, magnesium EVO link, downtube water bottle mounts |