BONTRAGER AT-550 27.5" REAR WHEEL 2026-MTB-999to2999 An enhanced Mag Force drive

An enhanced Mag Force drive unit offers increased resistance and 700 gram heavier flywheel for a smoother ride

100% polyamide

Acid 240 (2020)

Compound: Performance dual

Pedals (pair) + cleats: 312 g

BONTRAGER AT-550 27.5" REAR WHEEL 2026-MTB-999to2999 An enhanced Mag Force driveGenuine Trek replacement wheel engineered for durability and reliable performance on any terrain. Features Rim brake compatible AT 550 rims Sturdy 36H construction 27. 5 650b size Does not include the skewer, reflector, rim strip, valve or owner's manual Wheels shipped as photographed Specification Size: Rear, Threaded FT RR: Rear Diameter: 27. 5" Type: Clincher Cassette compatibility: Threaded Hub width: 135mm Hub model: FM 31 Holes: 36 Butting: 14