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Hayes Dominion A2 Disc Brake



The Hayes Dominion A2 2-Piston Disc Brake 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.

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 constructed from woven Kevlar to provide the stiffest hose possible for maximum power transmission
Uses DOT 5.1 brake fluid due to its high boiling point and consistency
2-Stroke Dual Port Bleed System
Disc Rotors and adapters sold separately
Available in Regular or SFL (Small Finger Lever) - ergonomically tailored for the smaller hand.

Caliper: 74mm post mount
Pads: T106 Semi-Metallic
Reach Adjust: tool free
Pad Contact Adjust: tooled
Lever Pivot: sealed cartridge bearings
Caliper Alignment: crosshair
Weight: 303g.
Color: black/bronze
Disc Rotors and adapters sold separately
Sold Individually

Front Regular Lever • 95-36115-K101
Upc: 844171074855

Rear Regular Lever • 95-36115-K102
Upc: 844171074862

Front SFL Lever • 95-36115-K151
Upc: 844171074879

Rear SFL Lever • 95-36115-K152
Upc: 844171074886

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