SHIMANO Rear Derailleur RD-RX817, GRX,11-SPEED, 1x11, Di2 closeout 2 year limited manufacturing warranty

2 year limited manufacturing warranty

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

Reign - 2005-2007

68 Durometer Center Ridge For Long Life / 58 Durometer Sides For Enhanced Cornering

and works with our StreamLine towers to get the heavy duty job done right

SHIMANO Rear Derailleur RD-RX817, GRX,11-SPEED, 1x11, Di2 closeout 2 year limited manufacturing warrantyWith 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