About Shimano EW-SD50 Electric Wires for DI2
Connect your Di2 components seamlessly with Shimano Dura Ace 9070/Ultegra 6770 Di2 EW SD50 Cable.
EW-SD50 wires are required to connect the junction (either SM-JC40 external or SM-JC41 internal to the rear mech, front mech, battery and to the handlebar battery indicator junction box.
More About The Manufacturer Shimano
Shimano, Inc. is a Japanese multinational manufacturer of cycling components, fishing tackle, and rowing equipment.
In 2005, the company had net sales of US $1.4 billion. Bicycle components provided 75% of its sales income. Fishing tackle produced 23% of the company's sales income, while other products—including snowboarding equipment and other forged parts—produced about 2% of its sales income. Headquartered in Sakai, Japan, the company has 32 consolidated subsidiaries and 11 unconsolidated subsidiaries. Its primary manufacturing plants are in Kunshan, China; Malaysia; and Singapore.