Trek Top Fuel 8 Gen 4 

Trek Top Fuel 8 is the aluminum trail bike designed for riders who want a bike that’s fast on the climbs and confident on the descents, with no compromises. With 140mm of front travel and 130mm rear , it devours rocks, roots and technical trails while maintaining excellent pedaling efficiency.

The Alpha Platinum Aluminum frame is light, responsive and durable, ideal for those seeking race-ready performance on a smart budget. The SRAM Eagle 12-speed drivetrain offers a wide gear range to tackle any climb, while the Fox Rhythm 34 fork ensures precision and control even on the toughest sections.

Trek Top Fuel 8 : the ideal companion for anyone looking for a fast, fun, and capable full-suspension trail mountain bike , ready for everything from long mountain rides to the most technical singletrack.

TECHNICAL SPECIFICATIONS

FRAMESET

• Frame: Alpha Platinum Aluminum, internal storage compartment, tapered head tube, guided internal cable routing, down tube protector, alloy Rocker Link, 4-way Mino Link, ABP, Boost148, 120mm travel

• Fork: Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, Kabolt 15mm axle, 140mm travel

WHEELS

• Rims: Bontrager Line TLR 30, Tubeless Ready, 28 holes, Presta valve

• Hubs:

  • Front: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle

  • Rear: Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano freehub, Boost148, 12mm thru axle

• Tyres:

  • L - M - ML - XL : Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60tpi, 29x2.40"
  • S : Bontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60tpi, 27.5x2.40"

DRIVETRAIN

• Crankset: SRAM Eagle 70, DUB, 30T steel chainring, T-Type, 55mm chainline, 170mm length

• Chain: SRAM Eagle 70, T-Type, 12-speed

• Cassette: SRAM Eagle XS-1270, T-Type, 10-52, 12-speed

• Rear Derailleur: SRAM Eagle 70, T-Type

• Brake: SRAM DB 8 4-piston hydraulic disc

COMPONENTS

• Saddle: Verse Short Comp, steel rails, 145mm width

• Seatpost:

  • L - M - ML - XL : Bontrager Line dropper seatpost, 170mm travel, MaxFlow, internal cable routing, 34.9mm, 450mm length
  • S : Bontrager Line Elite dropper seatpost, 150mm travel, MaxFlow, internal cable routing, 34.9mm, 440mm length // Bontrager Line dropper seatpost, 150mm travel, MaxFlow, routing

• Handlebar: Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width

• Grips: Trek Line Comp, nylon lock-on

• Brakes: SRAM DB 8 4-piston hydraulic disc

• Rotor size: SRAM Centerline 2.0, 6-bolt, 180mm // SRAM CenterLine, 6-bolt, rounded edge, 180mm

WEIGHT

• Weight: M – 14.88 kg / 32.81 lbs (with TLR sealant, tubeless)
• Weight limit: This model has a maximum total weight limit (combined weight of the bicycle, rider, and cargo) of 136 kg.

The manufacturer reserves the right to make changes to the product information on the site at any time without notice, including details relating to equipment, specifications, models, colors, materials and prices. Due to supply chain issues, compatible parts may be substituted at any time without notice.