Aizmugurējais pārslēdzējs Shimano ULTEGRA Di2 RD-R8150 12-speed IRDR8150D

• Our fastest ever rear shifting, 58% faster than RD-R9150


• Compact design includes an integrated wireless unit, charger, and switch


• LED status indicator


• Battery indicator


• Pairing


• Adjust mode, etc.


• Wider range capacity


• Weight: 262 g


• Rear speeds: 12


• Top-normal spring type - SHIMANO SHADOW RD


• Direct Mount


• Max. front difference: 16T


• Total capacity: 39T


• Low sprocket Max.: 34T


• Low sprocket Min.: 30T


• Top sprocket Max.: 14T


• Top sprocket Min.: 11T


• Fluoric coated link bushings: 4


• Pulley|Guide and Tension pulley bearings


• Pulley Teeth: 11


• Sunken type pulley bolt


• B-axle / B-axle 2: Hollow axle


• Di2 connectivity wired: Di2 shifting


• Di2 connectivity wireless: Di2 shifting


• Di2 connectivity wireless Bluetooth LE custom: Adjust mode information / Di2 battery level / Gear position / SHIMANO STEPS data items (*3) / Compatible with E-TUBE RIDE / Compatible with E-TUBE PROJECT


• Di2 connectivity wireless ANT private: Adjust mode information / Di2 battery level / Gear position / SHIMANO STEPS data items (*3)


• Firmware update by E-TUBE PROJECT


• SD50 port not available


• SD300 port


• SD50/SD300 connector not available


• LED for system status


• Charging port


• Charging cable: EW-EC300