Di2 SD50 850mm Wire Smaller cables and connectors for cleaner routing on the bike Plug and play system allows the use these cables for connecting the battery, front derailleur, rear derailleur, or shifters Waterproof cables and connectors and smaller size allow the use of the same cable for internal or external routing 9 gramsItem SpecificationsColor: BlackSize: 850mmUPC: 689228995666MPN: IEWSD50L85Sold Individually