SRAM Level Silver Stealth 4-Piston Disc Brake Size:Front and the brass check valve

and the brass check valve is a modified version of the check valve used in the SuperPista Ultimate

if you prefer more gold-purple or more blue/green-gold

Weight - 225g - 235g

DURA-ACE ST-R9250 DUAL CONTROL LEVERS are the ultimate in reliable performance thanks to a wired connection and the light weight of rim brakes

Compatible with Shimano HG-EV and HG-X11 chains

SRAM Level Silver Stealth 4-Piston Disc Brake Size:Front and the brass check valveLevel Silver Stealth combines SRAM's Level Stealth lever with a 4 piston caliper to provide superior power to weight performance. Featuring trail bike stopping power in an XC race weight class, Level Stealth features a lever designed to create a clean, fast looking cockpit. The tool free Reach adjust is quick and easy, while Lever Pivot Bearing technologies ensure smooth, fatigue free actionB. Specifications Stealth lever body with pivot bearing and