Shimano EW-SD50 Di2 E-Tube Wire 750mm teeth-52 front/rear rear (HG) axle/spacing (mm)

front/rear rear (HG) axle/spacing (mm) 12x148 Boost hole 32h color blue freehub aluminum weight 311g

Compound Sintered Heat Sink No Backing Plate Material Steel Pad Shape Number 61

3-18mm taper)

Certification CPSC e-Bike approved No Primary Color Grey Integrated Light Yes Helmet sizing in cm 51 - 55cm Misc Race Grey Visor Yes Size S

Shimano EW-SD50 Di2 E-Tube Wire 750mm teeth-52 front/rear rear (HG) axle/spacing (mm)Shimano 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 750