Shimano GRX DI2 RD-RX815 Long Cage 11-Speed Rear Derailleur wahoopromo With an advanced seal construction

With an advanced seal construction for smoother rotation

Greater mixed-terrain control

Large pedal platform

which means less rolling resistance and higher speeds

Epic offered bike tours require yo to bring all the essential tools and gear to keep from being stranded in the middle of nowhere

Shimano GRX DI2 RD-RX815 Long Cage 11-Speed Rear Derailleur wahoopromo With an advanced seal constructionSHIMANO GRX DI2 Rear Derailleur SHIMANO SHADOW RD+ 34T max low sprocket 11 speed With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON OFF switch for the chain tensioner. The RD RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is