Shimano EW-SD50 Di2 E-Tube Wire 150mm MFPN=00554 }Shimano Ultegra BR-R8100-R Road Caliper

}Shimano Ultegra BR-R8100-R Road Caliper Brake - Rear Dual Pivot Black

Number of Compartments 1Color BlackWaterproof YesWeight 100A: Top Tube Length (CM) 45A: Top Tube Length (IN) 17

Shot peened for increased fatigue life

Color Red Defined Color Red Diameter 35 Material Aluminum Type Quick Release

Shimano EW-SD50 Di2 E-Tube Wire 150mm MFPN=00554 }Shimano Ultegra BR-R8100-R Road CaliperShimano E Tube wires and connectorsFrame grommets for E tube internal wiring compatible frames are sold separately see Shimano Frame Grommet Kit Electronic Shifter Extra Parts Ultegra Di2 wires utilize Shimano's e tube technology; e tube is a two prong system and is NOT cross compatible with Dura Ace 7970 Di2 wiring All e tube wires may be used for internal or external applications Length 150