105 RD-5800 Caps Patent-pending HARDENED DOUBLE DEADBOLT design

Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist attack

great shape retention

and quiet training experience you expect from Wahoo

The vinyl rope helps prevent tangling and allows for smooth

R4 carbon injected nylon outsole: moderately stiff for efficient power transfer in comfort

105 RD-5800 Caps Patent-pending HARDENED DOUBLE DEADBOLT designShimano's 105 Rear Derailleur delivers high end function with upscale looks. With a body of light, durable cold forged aluminum in Shimano's wide pivot design with their light action spring, rear shifting is practically effortless and always super smooth.