Shimano Grx Rx815 Di2 Shadow Rd+ Direct Rear

SHIMANO GRX - DI2 - Rear Derailleur - SHIMANO SHADOW RD+ - 34T 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-RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max.Features:- Silent and uninterrupted rear shifting on rough terrain- Adjustable chain stabilizer prevents chain slapping and drops- SHIMANO SHADOW RD+- Smooth and reliable mixed surface shifting- Switch stabilizer ON/OFF to match the terrain- Gravel-tuned clutch tension- Compatible with current road DUAL CONTROL LEVERSpecifications:- Average weight: 287- Rear speeds: 11- Top-normal spring type SHIMANO SHADOW RD+: Yes- Mount Direct attachment (conventional): Yes- Mount Direct mount: Yes- Max. front difference: 17T- Total capacity: 38T- Low sprocket Max.: 34T- Low sprocket Min.: 30T- Top sprocket Max.: 11T- Top sprocket Min.: 11T- Fluoric coated link bushings: 4- Pulley Guide pulley bearing: Sealed bearing- Pulley Tension pulley bearing: Sealed bearing- Pulley Teeth: 13T- B-axle Hollow axle: Yes- Di2 connectivity wired Di2 shifting: Yes- Firmware update by E-TUBE PROJECT: Yes- SD50 port (pcs): 1Technology:E-TUBE:- E-TUBE is Shimano´s service that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and SHIMANO.