Trek Top Fuel 8 Gen 4 2026 E-BIKE PARTS IsoSpeed comfort technology helps soak

IsoSpeed comfort technology helps soak up jarring road vibrations

As the first choice for cyclists on the hunt for the best performance

WEIGHT: ML - 7

Anyone who has ridden on a wet gravel road is familiar with the mixture of fine sand and water that seems to be designed especially to seek and destroy bearings

BOA® L6 dial for precise adjustment

Trek Top Fuel 8 Gen 4 2026 E-BIKE PARTS IsoSpeed comfort technology helps soakThe Top Fuel 8 Gen 4 is a nimble alloy trail bike that strikes a balance between quick climbing efficiency and descending confidence. It packs in a versatile 130 mm front and 120 mm rear travel for ripping over rocks and roots without sacrificing power on ascents. It's built from lightweight Alpha Platinum Aluminium that helps save your budget for bike trips, but packs in upgrades where they matter, like a 12 speed Shimano XT and SLX drivetrain, and a