If you want more braking precision for downhill and enduro riding, the Hayes Dominion A4 disc brake caliper is made to deliver the stopping power you want when tackling rough and rowdy descents.
- Designed for Dominion hydraulic brake systems
- Cold-forged 4-piston caliper is structurally rigid; KingPin pad retention bolt increases stiffness
- 2-stroke dual port bleed system allows for easy maintenance
- Crosshair Alignment technology allows mechanics and riders to quickly and accurately set the brake caliper
Imported.
View all Hayes Disc Brake Calipers| Best Use | Mountain Biking |
|---|---|
| Brake Actuation | Hydraulic Brake |
| Brake Mount | Post Mount |
| Brake Position | Front or Rear |
| Number of Pistons | 4 Pistons |
| Hydraulic Fluid Type | DOT Brake Fluid |
| Pad Compound | Semi-Metallic |
| Material(s) | Aluminum |
| Weight | 107 grams |