Shimano SD50 Electrical Wire for Di2 Battery 700mm RGroup_E2EDD9BB5DB89DFCC48066B8BB9E79BE0A6BEEDE Its proprietary fluid technology increases

Its proprietary fluid technology increases resistance exponentially up to 900 watts

and the high-flow

and with an extra bracket

It features a lightweight carbon front triangle

protect your cleats and shoes

Shimano SD50 Electrical Wire for Di2 Battery 700mm RGroup_E2EDD9BB5DB89DFCC48066B8BB9E79BE0A6BEEDE Its proprietary fluid technology increasesThe Shimano Electrical Wire is designed for connecting Shimano Di2 and E Tube systems to their batteries, while also transmitting data between shifters and other components. The EW SD50 models are optimized for external routing with a waterproof casing and connector, but they can also be used internally.