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Less weightless friction shifting precision
even with major cross-chaining
Adhesive backing with Zipp's signature Z graphic plastic bar plugs and finishing tape
tight tampico bristles for getting into small nooks and crannies such as suspension pivots
Air release purge valve
Shimano EW-SD300-I Electric Wire Di2 1000mm Built-In Routing ZIPPMARCH Less weightless friction shifting precisionShimano Ew Sd300 I Electric Wire DI2 1000mm Built in Routing Features More compact design makes new electric components smaller and lighter Will potentially expand the future capabilities of DI2 systems For internal routing usage Mfr Claimed Weight TBC