The Hayes Dominion T4 is optimized for Enduro and DH riding, with a USA-made carbon lever blade, titanium fasteners throughout, and a strong-clamping 4-piston caliper. - Low-effort lever input, coupled with high-fidelity power output for optimum braking feel and control - A carbon lever blade and titanium fasteners take Dominion performance to the next level. - Pre-bled and assembled with Hayes K2 hose: The stiffest hose possible for maximum power and control transmission