We spec the MT5 Next brakes on our trail, enduro, and cross-country bikes because it offers 4-piston Magura brake power along with a lightweight construction. The MT5's master cylinder housing, piston, and handlebar clamp are made from CarboTecture SL injection-molded carbon fiber, stronger and lighter than the company's already-revolutionary CarboTecture material used on the MT4 and MT2 brakes.