Shimano EW-SD50 Di2 Electric Wire 950mm RGroup_005F9F8108EC0A928D0D6EB2E9C93A72CCDF260E The Shimano BB-UN300 cartridge bearing

The Shimano BB-UN300 cartridge bearing bottom bracket is designed for frames with a BSA thread and a 68 mm shell width

Compatible with the E-Tube Project software

Enhance your girl's bike or trike for extra fun and excitement

The use of Thru-Panel technology offers thicker rubber contact points with thinner overall grip dimensions

Shimano EW-SD50 Di2 Electric Wire 950mm RGroup_005F9F8108EC0A928D0D6EB2E9C93A72CCDF260E The Shimano BB-UN300 cartridge bearingThe SD50 E TUBE wire transmits interactive signals and supplies power to E TUBE DI2 drivetrains. Its compact, waterproof connector allows for easy internal routing in handlebars and frames with a "plug & gap" connection.