Pros: They are adjustable

96 BCD - Shimano XTR 9000-9020:

They are just starting to appear on MTB rider's heads

Chainring Fitment: Shimano Direct Mount

Shimano Deore BR-M6100 Disc Brake With 2 Piston Caliper - Front - Right Lever - Black NoAusPost Pros: They are adjustableThe Deore BR M6100 are value packed hydraulic disc brake with many of the same performance enhancing features that were originally developed for Shimano's premium XTR and XT ranges. The lever now has a shorter free stroke and quicker brake engagement and an additional contact point braces the lever against the bars for intuitive and powerful braking with greatly reduced flex through the lever body. Deore series brakes are now I Spec EV compatible,