Shimano XTR SL-M9100 12 Speed Shift Lever - Shimano I-Spec EV - 12 Speed Virtual Parent BSA - 73mm or 68mm

BSA - 73mm or 68mm threaded frames

and Double 64/104 BCD (chainrings/spiders sold separately)

a high-volume capacity

Single velcro strap above the knee

Shimano XTR SL-M9100 12 Speed Shift Lever - Shimano I-Spec EV - 12 Speed Virtual Parent BSA - 73mm or 68mmThe Shimano XTR SL M9100 Shifters showcase the best of Shimano's shifting performance capabilities. Improved ergonomics and shifting performance also increase over the previous generation. With 20% quicker lever access time due to revised internals and 35% less operation force with Rapidfire Plus switching logic. Features: Cross compatible with all Shimano 12 speed MTB groupsets 20% quicker lever access time 35% shifting operation force (vs. XTR