SHIMANO Rear Derailleur RD-RX817, GRX,11-SPEED, 1x11, Di2 closeout Or maybe you just like

Or maybe you just like the way it looks

Adjustable entry and release tension settings

5" of rise on all of the other H-Bars which makes it ideal for bikes with front ends that are too low

63mm travel

SHIMANO Rear Derailleur RD-RX817, GRX,11-SPEED, 1x11, Di2 closeout Or maybe you just likeWith 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