Shimano 105 Di2 Rd-r7150 Rear Derailleur Silver 12s / Max 36t

A new level of performance for SHIMANO 12-speed road rear derailleurs Wide 36T-compatible 12-speed Di2 rear derailleur. Receiving the wireless shifting signal from the shift lever, the SHIMANO 105 rear derailleur completes a shift in the blink of an eye with its high-performance motor and optimized link structure. This is the hub of the Di2 system, with the charging port, indicator LEDs, adjustment switches and more integrated into a compact package. A low-profile design reduces damage from contact and falls.Features:- Compact design includes an integrated wireless unit, charger, switchLED status indicator:- Battery indicator- Pairing- Adjust mode, etc.Wider range capacity:- Max. low sprocket: 36TSpecifications:- Firmware update by E-TUBE PROJECT: yes- Total capacity: 41T- Charging port (pcs): yes- B-axle_Hollow axle: yes- B-axle 2_Hollow axle: yes- Mount_Direct attachment (Conventional): yes- Mount_Direct Mount: yes- Fluoric coated link bushings: 4- Low sprocket_Max.: 36T- Low sprocke