Hayes Dominion A4 Disc Brake - Front or Rear - Purple MFPN=03.18.22.3206 9- and 10-speed splined driver

9- and 10-speed splined driver bodies

All of the following stems are compatible with cables exiting the bottom of the bar

S Upper EC44 S

One piece foam section for increased durability and perfect fit

Hayes Dominion A4 Disc Brake - Front or Rear - Purple MFPN=03.18.22.3206 9- and 10-speed splined driverPurple Hayes Dominion A4 Now available in purple, Dominions master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite point. The Dominion A4 caliper utilizes four pistons in the most structurally rigid design possible. It features a cold forged caliper and KingPin structural pad retention bolt that increases stiffness. With a motorsports inspired Two Stroke dual port bleed system, industry leading DOT 5. 1 fluid and