Shimano XT BR-M8120 Disc Brake Caliper Only - Black - Caliper Only YGroup_7033419563053 or the new Shimano 12

or the new Shimano 12 speed Microspline cassettes you'll need one of these freehubs in order to fit the cassette

Long lasting and sweat resistant

tough nylon bristles and a integrated scraper

Rear light holder

Shimano XT BR-M8120 Disc Brake Caliper Only - Black - Caliper Only YGroup_7033419563053 or the new Shimano 12Get the latest iteration of the XT brake in the four piston variant, the M8120. This brake offers lightweight, high stopping power goodness. This is the caliper only, add it to your existing brake levers and you don't have to worry about new mounting standards with your cockpit setup. The Shimano XT BR M8120 is a four piston disc brake caliper that builds on the success of the BR M8020 and benefits from the trickle down of technology from the XTR