Hayes Dominion A2 Mountain Bike Disc Brake

Hayes Dominion A2 Disc Brake

Ready for fast and fun MTB adventures, this disc brake offers smooth and consistent braking performance on the most unpredictable off-road rides. It features a standard sized brake lever with tool-free reach adjust, which means that you can fine-tune it to perfectly match your hand size, riding preferences as well as the terrain conditions. Hayes has also equipped this standard sized model with a two-piston caliper that provides fast and reliable braking as you blast across the rock garden, tree roots and debris at speed.

Expanding on the award-winning Dominion A4. The, Dominion A2, targets Cross Country and Trail riders. Dominion A2 features a two-piston caliper. Dominion A2 includes all the performance from the Dominion A4, utilizing a compact, two-piston caliper.

Dominion A2 features the proprietary QuickBite² system for fast and consistent burnish, coupled with our D-Series rotor (sold separately) to manage the heat with less braking noise.

• Use: Cross Country, MTB
• Piston: 2-piston
• Type: Disc brake
• Fluid: DOT 5.1
• Lever Size: Standard
• Hayes: Hayes K2 hose
• Rotors: Sold separately
• Caliper Mount: 74mm post mount
• Pad Type: T106 Semi-Metallic (Included), T100 Sintered Metallic (Included)
• Reach Adjust:Tool-free reach adjust
• Pad Contact Adjust: Tooled
• Lever Pivot: Sealed cartridge bearings
• Caliper Alignment: Crosshair
• Weight: 303g
• Colour: Bronze
• Size: Front