Hayes Dominion A2 Brake Calliper

Designed for the rigours of mountain bike (MTB) and cross country (XC) riding disciplines, this hydraulic disc brake caliper features a two-piston design that includes all the performance from the Dominion A4 model. Hayes's product development team set out to design a brake system that's specifically designed for a smaller ergonomic profile, making the Dominion A2 series compact and ideal for any rider with smaller hands. With optional lever sizes to choose from separately and two caliper choices, Dominion from Hayes now offers a brake that's ideal for your application.

Please note: This model includes only the caliper. Levers and other caliper options are available separately.