Shimano SW-R610 Di2 Remote Sprinter ShifterThese ultralight electronic satellite shifters provide lightning fast, precise gear changes for triathlon, climbing, and sprinting. Specifically designed for use with Shimano 68xx Di2 drivetrains, they allow for rapid rear shifting while maintaining a secure grip in the drops or aero positions. Engineered for versatility, these 10g switches can be located anywhere on the handlebar to suit your ergonomic preference. The intuitive configuration features