The TRP Quadiem G-Spec Disc Brakes are made from forged aluminium that has been polished, CNC, then anodized to give the brakes an eye-catching finish. All G-Spec level brakes will feature new drilled lever blades designed by Aaron Gwin, hybrid pistons (composite/steel) for improved heat dissipation, and tool free reach adjust featuring detents to make fine tuning the lever reach easier than ever. More precise pad tolerances will significantly reduce unwanted pad play. Titanium hardware and CNC cooling fins add the final touch of quality to these top tier brakes. TRP Quadiem G-Spec Disc Brakes Features Four piston caliper with hybrid ceramic pistons (better heat dissipation)  CNC machined cooling fins on the caliper Hand polished finish.  Sintered metallic brake pads Ergonomic dimpled and drilled alloy lever (silver) designed by Aaron Gwin Tool free indexed reach adjust Adjustable banjo fitting for optimal hose routing Split hinge clamp handlebar clamp  Titanium pad retaining bolt  I-Spec b, I-Spec ll (XT and XTR only) and matchmaker compatible with TRP adapter to match shifter Mineral oil Weight: 316g (Front)