SHIMANO Rear Derailleur RD-RX817, GRX,11-SPEED, 1x11, Di2 pickuponly 275 in3 (XL)

275 in3 (XL)

Roller wheels for rolling when folded

it's hard to find fault with the Minion DHF

stamped steel cogs held together with 123 high-strength stainless steel pins

SHIMANO Rear Derailleur RD-RX817, GRX,11-SPEED, 1x11, Di2 pickuponly 275 in3 (XL)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. Top sprocket: Max. 11T