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Super Boost 157 x 12mm rear hub spacing combined with a standard width bottom bracket results in a 432mm chainstay length that’s 5mm shorter than previous-generations
- Stiff 4mm plate thickness to transfer loads without flexing
so we added high quality YKK Waterproof zippers only in this style for the highest performance option
ISO Width (mm): 24
Consists of two precisely machined end caps
NEW Shimano EW-SD50 Di2 E-Tube Wire, 400mm type_wheels-wheelsets Super Boost 157 x 12mmShimano E Tube wires and connectors Frame 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: 400
