2026 Trek Fuel EX 8 Gen 7

Frame & fit interfaces

The standards that decide what fits this bike.

Frame material

Aluminum

Wheel size

29"

Suspension

Full

Rear axle spacing

148 mm

Seatpost diameter

34.90 mm

Headset standard

ZS

Bottom bracket

BSA 73

Max tire size

29x2.50"

Stock build

• ForkFox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt X axle, 150mm travel
• StemBontrager Elite, 35mm, 0 degree, 45mm length
• ChainSRAM Eagle 70
• GripsTrek Line Comp, nylon lock-on
• SaddleBontrager Verse P3, chromoly rails
• HeadsetFSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom, 1.5 crown
• CassetteSRAM XS-1270 Eagle Transmission Cassette
• CranksetSRAM Eagle 70, DUB, 30T steel, T-Type, 55mm chainline, 170mm length
• SeatpostBontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length
• ShiftersSRAM Eagle 70
• HandlebarRace Face Turbine, alloy, 35mm, 40mm rise, 780mm width
• Rear TireBontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.50''
• Front TireBontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.50''
• Rear BrakeSRAM DB8
• Rear ShockFox Performance Float X, 2-position damper, 205mm x 60mm
• Rear WheelBontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano freehub, Boost148, 12mm thru axle
• Front BrakeSRAM DB8
• Front WheelBontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
• Bottom BracketSRAM DUB MTB Wide, 73mm, BSA threaded
• Rear DerailleurSRAM Eagle 70
• Rear Brake RotorSRAM Centerline 2.0, 6-bolt, 180mm
• Front Brake RotorSRAM Centerline 2.0, 6-bolt, 200mm