Hayes Dominion A4 hydr. front brake, 4-piston, Post Mount, snake. 1000 mm
Hayes Dominion A4 hydraulic brake
The Dominion A4 hydraulic brake brings the shortest dead stroke of the lever, thanks to which the onset of braking force is quick and reliable. It is a four-piston brake that offers unrivaled stiffness thanks to a cold-forged caliper and King Pin Pad Retention bolt. The brakes are designed for ultimate performance under all conditions and with the easiest possible maintenance thanks to the DOT 5.1 brake fluid used.Technologies:
- QuickBite² system - for sensitive, gentle and quiet modulation of braking force. It dissipates heat and prevents excessive noise generated during braking.
- Crosshair Caliper Alignment System - significantly simplifies caliper adjustment
- MRC (Modal Resonance Cancellation) - minimizes vibrations, reducing overall noise and increasing braking power
- Low Input - High Fidelity (LoFi) - low resistance system with predictable braking force onset
- SRL (Stable Rate Link) - the same operation of the lever regardless of its distance from the handlebars
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Two-Stroke Dual-port - for perfect brake bleeding through two bleeding valves on the brake caliper
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King Pin Pad Retention - the locking screw of the plates increases the stiffness of the four-piston caliper
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Sealed Cartridge Bearings Lever Pivot - brake lever mounted with bearings
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Fast and reliable braking thanks to the short dead travel of the lever
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Hoses reinforced with Kevlar for the highest possible resistance to expansion
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Flip-Flop brake lever can be used for both right and left side
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Adjustable lever distance without the need for tools
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Quiet and powerful
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| Location | Front |
| Recommended records | Hayes Semi-Met T106, Hayes Sintered T100 |
| Discontinued discs | D-series 160mm/180mm/203mm |
| Hose length | 1 000 mm |
| Weight | 310 g |
| Contents | DOT 5.1 |
| Assembly | lever: on the sleeve, caliper: Post Mount |
| Lever type | standard |
| Colour | grey |
| product ID | 308714 |
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