Shimano EW-SD300 Electric Wire Di2 250mm PNS to virtually every bike in

to virtually every bike in just a few seconds

training sorties and long rides (Using 700C—25C tires as a control metric)

New Two-Stage seal geometry seals on both valve stem and at the base of valve core threads resulting in a more positive seal and improved durability

heavier riders or frequent riding on rough chip seal and wet roads

Suitable and safe to use - specifically designed for bike shoesAdvanced polymer technology offers excellent performance without using harmful chemicalsWater-based formulaSafe on technical fabrics

Shimano EW-SD300 Electric Wire Di2 250mm PNS to virtually every bike inShimano Ew Sd300 Electric Wire DI2 250mm Specifications Compact design makes new electric components smaller and lighter EP8 EP800 Series Routing: for external routing Mfr Claimed Weight TBC