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Hayes Dominion A4 Disc Brake and Lever - Front - Black-Bronze
Hayes Dominion A4 Disc Brake and Lever - Front - Black-Bronze
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Product ID: GM071421-11
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Hayes Dominion A4 Disc Brake and Lever - Front
Designed with a specific lever pull curve to balance on-demand pressure modulation, providing firm engagement between the pads and rotors, optimized for the world’s most demanding conditions and riders
- Four piston brake developed specifically for the rigors of DH and enduro
- Low-effort lever input (LoFi) for excellent braking feel and control
- QuickBite2 specific pad compounds paired with the Hayes D-series rotors deliver fast, consistent braking performance across all temperature and speed conditions
- Hayes K2 hose is contructed from woven Kevlar to provide the stiffest hose possible for maximum power transmission
- Both pad compounds are included: Semi-Metallic T106 (standard) and Sintered T100 (wet conditions)
- Uses DOT 5.1 brake fliud due to its high boiling point and consistency
- Crosshair Caliper Alignment System – Dramatically simplifies caliper installment and alignment MRC (Modal Resonance Cancelation) – Rotor harmonic design cancels out noise and vibration translating into more consistent braking
- Small Freaking Lever (SFL) Version: designed specifically for riders with smaller hands
- Rotors and adapters sold separately
- Brake Caliper Type: 74mm Post Mount
- Adjustable Contact Point: Yes
- Designed for ebike: Yes
- Rotor: sold separately
- Weight: 310g. (90cm hose and mount hardware)
- Color: black/bronze