GRX Di2 RD-RX815 2x11 Spd. Sram No Map Dual-sided entry and innovative locking

Dual-sided entry and innovative locking

38 (center to center)

Designed to accurately measure the amount of absolute tension in each of the wheel's spokes

one saddle doesn't work for everyone

- Provides support and comfort at a great value

GRX Di2 RD-RX815 2x11 Spd. Sram No Map Dual-sided entry and innovative lockingSHIMANO 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