SHIMANO RD-RX815 GRX Di2 11 Spd
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 compatible with road cassettes with up to an 11-34T cassette.
This can be used in place of a Ultegra Di2 11-Speed rear derailleur (RD-R8050).
BENEFIT
Silent and uninterrupted rear shifting on rough terrain
FEATURE
Adjustable chain stabilizer prevents chain slapping and drops
TECHNOLOGY
SHIMANO SHADOW RD+
BENEFIT
Smooth and reliable mixed surface shifting
FEATURE
Switch stabilizer ON/OFF to match the terrain
FEATURE
Gravel-tuned clutch tension
BENEFIT
Compatible with current road DUAL CONTROL LEVER
BENEFIT
Maximum front difference: 17T
BENEFIT
Top sprocket: Max. 11T/Min. 11T
BENEFIT
Low sprocket: Max. 34T/Min. 30T
BENEFIT
Total capacity: 38T