Shimano Deore XT SW-M8250-R Rapid ES Di2 Wireless Shifter - Right, 11/12-Speed, Clamp BandThe Shimano Deore XT SW M8250 RAPID ES shifter feels instantly natural out of the box, but can also be molded to fit any hand, thanks to its familiar fit and evolved adjustability design. Multiple shift modes, like hold down multi shift and 2 step multi shift, offer versatility and precision, while the tactile click prevents mis shifts and a tunable third button allows for additional system tuning or third party connection. Clamp band mounting