The XTR SW-M9250 Shimano 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, tactile click-through double shift, or locked-out single shift, deliver top precision, while a tunable third button allows for additional system tuning or third-party connection. Features I-SPEC V mounting Precise, lightning-quick wireless shifting activated by Shimano s most adjustable, customizable, and satisfyingly tactile shifting switch Assign a function to the programmable third button through the E-tube app, with full switch and e-bike customization Familiar fit and multi-axis adjustability make this Shimano s most natural-feeling shifter yet Tech-packed, with a four-way adjust, two-step double shift or hold down multi-shift, rubber traction pad, and single/double mode converter Item Specifications Color Black/Silver Drivetrain Speeds 12 Rear Der/Shifter Compatibility Shimano Mountain Di2 Weight 97 Shimano XTR SW-M9250 Rapid ES Di2 Wireless Shifter Brake/Shift Lever, Flat Bar- Right UPC: 192790748795