Shimano Ultegra Di2 RD-R8150 12-Speed Rear Derailleur W/TL-EW300 Body Care_Body Wash ANT+ connectivity and BLUETOOTH Low

ANT+ connectivity and BLUETOOTH Low Energy technology pair with select apps and devices

The faceplate is cold-forged aluminum as it allows for a highly reliable and strong grip on the handlebar which means no slipping and responsive steering input

2014 15x100mm white 180 front hubs and 2016 RC Spline wheels (black hubs)

spindle nuts

- Ring Position/Type: Inner

Shimano Ultegra Di2 RD-R8150 12-Speed Rear Derailleur W/TL-EW300 Body Care_Body Wash ANT+ connectivity and BLUETOOTH LowCAGE LENGTH One Spec TOTAL CAPACITY 39T MAX FRONT DIFFERENCE 16 COLOR SERIES COLOR AVERAGE WEIGHT 262g MOUNT Direct attachment (conventional) NUMBER OF PULLEY TEETH 11 SERIES Ultegra GENERATION R8100 MAX LOW SPROCKET 34T MIN LOW SPROCKET 28T REAR SPEEDS 12