Magura HC3 Radial Master Cylinder Black, D15, Left Hand, DOT Options:HC3 Radial Master Cylinder Black, D15, Left Hand, DOT laser engraved billet 6061 T6 construction Black Replacement Chain Guard laser engraved billet 6061 T6 construction The rider will immediately feel better small bump absorption during braking This master cylinder body has been produced from high grade aluminium alloy to ensure a lightweight design combined with maximum rigidity which has been built to last The master cylinder is supplied with an external reservoir and mounting bracket designed to use minimum space and with smoked glass to optically determine the level and condition of the brake fluid at all times