2025 Trek Top Fuel 8 Gen 4 – Mountain Bike
Specifications
|
Specification |
Details |
|
Model |
Top Fuel 8 Gen 4 |
|
Vehicle Category |
Mountain Bike |
|
Application |
Trail riding, climbing, descending |
|
Starting Price (2025) |
$4,199.99 USD |
|
Color Options |
Matte Dark Web |
|
Sizes |
S (27.5" wheel), M, ML, L, XL |
Frame & Drivetrain
|
Specification |
Details |
|
Frame |
Alpha Platinum Aluminum, 120mm travel, internal storage, adjustable geometry, guided internal routing, downtube guard, shuttle guard, BSA 73, ISCG 05, ABP, UDH, Boost148 |
|
Fork |
Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 130mm travel |
|
Rear Shock |
Fox Performance Float, 2-position DPS damper, 185x50mm |
|
Drivetrain Compatibility |
Shimano XT/SLX, 12-speed |
|
Dropouts |
15x110mm thru axle (F), 148x12mm thru axle (R) |
|
Crank |
Shimano SLX M7120, 30T, 170mm (S, M), 175mm (ML, L, XL) |
|
Chain |
Shimano SLX M7100, 12-speed |
|
Rear Derailleur |
Shimano XT M8100, Shadow SGS |
|
Shifters |
Shimano XT M8100, 12-speed |
|
Cassette |
Shimano SLX M7100, 10-51, 12-speed |
Components & Features
|
Specification |
Details |
|
Seating |
Bontrager Arvada, hollow chromoly rails, 138mm width |
|
Cargo Capacity |
Internal storage, maximum cargo capacity not specified |
|
Wheels/Tyres |
Bontrager Line Comp 30, Tubeless Ready, 29x2.5" (S: 27.5x2.5") |
|
Wheel Size |
29" (S: 27.5") |
|
Brakes |
Shimano SLX M7100, 4-piston hydraulic disc, 180mm rotors |
|
Brake Levers |
Shimano SLX M7100 |
|
Handlebar |
Bontrager Line, alloy, 35mm, 27.5mm rise, 750mm width |
|
Stem |
Bontrager Elite, 35mm, 0 degree, 45mm length |
|
Headset |
Knock Block Integrated, sealed cartridge bearing |
|
Saddle |
Bontrager Arvada, hollow chromoly rails, 138mm width |
|
Seatpost |
Bontrager Line Dropper, 100mm (S), 150mm (M, ML), 170mm (L, XL), internal routing, 31.6mm |
|
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, Shimano MicroSpline freehub, 148x12mm thru axle |
|
Rims |
Bontrager Line Comp 30, Tubeless Ready, 30mm width |
|
Spokes |
14g stainless steel, black |
|
Exterior Features |
Internal storage, adjustable geometry, guided internal routing, downtube guard, shuttle guard, ISCG 05, ABP, UDH |
|
Weight |
14.1 kg / 31.09 lbs (size M) |