Dual core wires inside thin electric cables with 5.1mm diameter connectors at each end come in different lengths to streamline all connection points and keep everything on your bike looking neat and tidy. Digital operation has many advantages including lightning fast response to signalled actions, effortless gear shifts and longer product durability due to the absence of depreciating factors such as contaminates, corrosion & stretching. EW-SD50 Electric Wire is primarily used 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. Setting up the wires with the shifters and junction box is as easy as plugging them in and riding your bike. All you need to do is determine what length you need for your bike-specific purpose. Nothing could be easier!
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Review Shimano EW-SD50 Di2 Electric Wire 1200mm