Shimano EW-SD300-I Electric Wire Di2 850mm Built-in Routing Bikesportz Build your ideal 1x gravel

Build your ideal 1x gravel drivetrain with the Shimano GRX FC-RX820 Crankset

and city streetsOptimized geometry and spring tension reduce chain dropLow-profile design is optimized for rough terrainMax low sprocket: 46T Min low sprocket: 41TDesigned and tested to provide enduring e-biking performance

Strong bottle retention

Closure: 1 BOA® (IP1)

Replacement hardware for the ENVE carbon fiber 2-bolt seatpost

Shimano EW-SD300-I Electric Wire Di2 850mm Built-in Routing Bikesportz Build your ideal 1x gravelFEATURES More compact design makes new electric components smaller and lighter Will potentially expand the future capabilities of DI2 systems For internal routing usage