The Shimano Non-Series Di2 EW-WU111 E-Tube Di2 Wireless Unit is a high-quality bike component designed for cyclists looking to upgrade their bike with advanced technology. This 2-port wireless unit, paired with the SD50 wire, is lightweight at 36g, making it easy to install and use for a seamless cycling experience. Shimano's reputation for reliability and performance is evident in this product, making it a top choice for serious cyclists aiming to enhance their riding experience. Purchases to fit to bike, but the requires taking off the crankset and taking bottom bracket out on my bike, and seems too much hard work
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