freno a disco sram level silver stealth 2 pistoniSram Level Silver Stealth 2 Piston Disc Brake Level Silver Stealth features our new stealth body to give you one of the lightest and sleekest brakes on the market. Offers the power to weight performance you expect from Level with a new lever design made specifically to create a clean, fast looking cockpit. Our tool free reach adjustment is quick and simple, while lever pivot bearing technologies ensure smooth, effortless action. FEATURES Invisible