SHIMANO GRX - DI2 - Rear Derailleur - SHIMANO SHADOW RD+ - 42T 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-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with mtb cassettes with a 42T low sprocket max.
$7,999.00
Size Chart Whether riding road or gravel, we love speed. So everything on the new RaceMax frame is engineered for that. The end result is...
View full product details$4,320.00
Size Chart Whether riding road or gravel, we love speed. So everything on the new RaceMax frame is engineered for that. The end result is...
View full product details$7,199.00
Size Chart Whether riding road or gravel, we love speed. So everything on the RaceMax frame is engineered for that. The end result is the...
View full product details