Shimano's RapidFire Plus DEORE XT shift levers deliver light and responsive shifting for improved control out on the trail. The new I-SPEC EV lever offers a wide range of adjustments including increased lever slide range. Available in both I-SPEC-EV and 22.2mm clamp. Shimano Optislick derailleur cable included. Details: Model No: SL-M8100 Series: Deore XT M8100 Weight 117 grams (22.2mm Clamp), 120 grams (I-Spec EV) Mount: 22.2mm bar clamp, I-SPEC EV Max multiple shifts: 4 Rear speeds: 12 Shifter type: Rapidfire Plus Compatibility: Rear derailleur: Shimano 12-speed rear derailleurs