29-Inch

Upgrade or refresh your bike. - Original equipment replacement Trek Duroc 40 27.5 Boost wheels - 15x110mm front, 148x12mm rear, 6-bolt disc, and SRAM XD freehub - Extra wide alloy rim (40mm outer, 36mm inner width) is perfect for Plus tires - 550g rim is double wall, welded, and disc-specific

Upgrade or refresh your bike. - Bontrager AT-550 single wall, non-eyeletted rims - Does not include skewer, reflector, rim strip, valve, or owner's manual

Genuine replacement parts. When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. Details: - Upgrade or refresh your bike. - Original equipment replacement Bontrager Connection Disc wheels - Durable double-wall rim with 20mm internal, 26mm external width - Does not include a skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed