Shimano STEPS SM-DUE61-T Trekking Custom Drive Unit Cover and Screws Size-700 x 23 Ceramic bearing bottom bracket for

Ceramic bearing bottom bracket for running DUB cranks in a BB30 frame

Easy-to-use selection guide and component key included

This means that they will fit on single-speed rear hubs as well as BMX freewheel hubs but this application is not recommended

}Wheels Manufacturing M5 X 16mm Socket Head Cap Screw Stainless Steel Bottle/50

Built with Kevlar to deliver faster and stronger seals FiberLink represents a new standard for tubeless bicycle tire sealant

Shimano STEPS SM-DUE61-T Trekking Custom Drive Unit Cover and Screws Size-700 x 23 Ceramic bearing bottom bracket forShimano STEPS SM DUE61 T Trekking Custom Drive Unit Cover and Screws. Drive unit covers for Shimano eBike drive units. TECH SPECS Designed for ebike Yes