Shimano's revamped Deore XT brake caliper uses a two-piece forged aluminum body with heat management features that include 22mm-diameter ceramic pistons and finned brake pads None of these ...

Brakes: “The Shimano Deore M6100 brakes come in either an XC-specific two-piston calliper (BR-M6100) or the trail/enduro four-piston variant (BR-M6120), both with a redesigned brake lever (BL-M6100) ...