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Brakes/Levers/Pads

$249.99
Expanding on our award-winning Dominion A4. Our newest brake, 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. With the SFL option, the Dominion is the ideal brake option for any rider with smaller hands. Hayes product development team set out to design a brake system specifically designed for a smaller ergonomic profile.
Dominion SFL maintains all the power and feel of our proven Dominion A4, and accomplishes this using a specifically designed smaller and narrower brake lever. Dominion SFL can be used in conjunction with either our Dominion A2 two-piston caliper or our Dominion A4 four-piston caliper. With optional lever sizes and two caliper choices, Dominion from Hayes Disc Brake now offers a brake that's ideal for your application.
Dominion A2 features the proprietary QuickBite² system for fast and consistent burnish, coupled with our D-Series rotor to manage the heat with less braking noise.
Available in SFL (Small Finger Lever)—ergonomically tailored for the smaller hand.
Key Features:
- Tool-Free Reach Adjustment
- Flip-Flop Lever Orientation
- King Pin Pad Retention
- Crosshair Caliper Alignment
- Two-Stroke Dual-port bleed system
Specifications:
- 303g (100cm hose and mount hardware)
- DOT 5.1 Fluid
- Tool-Free Reach Adjustment
- 2-Stroke Dual Port Bleed System
- Sealed Cartridge Bearings Lever Pivot
- 100cm Front Hose Length
- 180cm Rear Hose Length

$249.99
Expanding on our award-winning Dominion A4. Our newest brake, 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. With the SFL option, the Dominion is the ideal brake option for any rider with smaller hands. Hayes product development team set out to design a brake system specifically designed for a smaller ergonomic profile.
Dominion SFL maintains all the power and feel of our proven Dominion A4, and accomplishes this using a specifically designed smaller and narrower brake lever. Dominion SFL can be used in conjunction with either our Dominion A2 two-piston caliper or our Dominion A4 four-piston caliper. With optional lever sizes and two caliper choices, Dominion from Hayes Disc Brake now offers a brake that's ideal for your application.
Dominion A2 features the proprietary QuickBite² system for fast and consistent burnish, coupled with our D-Series rotor to manage the heat with less braking noise.
Available in SFL (Small Finger Lever)—ergonomically tailored for the smaller hand.
Key Features:
- Tool-Free Reach Adjustment
- Flip-Flop Lever Orientation
- King Pin Pad Retention
- Crosshair Caliper Alignment
- Two-Stroke Dual-port bleed system
Specifications:
- 303g (100cm hose and mount hardware)
- DOT 5.1 Fluid
- Tool-Free Reach Adjustment
- 2-Stroke Dual Port Bleed System
- Sealed Cartridge Bearings Lever Pivot
- 100cm Front Hose Length
- 180cm Rear Hose Length

$249.99
Introducing the all-new, Stealth Dominion, our award-winning Hayes Dominion A4 brakes are back – adding even more ways for you to stop!
Dominion's master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite point. The Dominion A4 caliper utilizes four pistons in the most structurally rigid design possible. It features a cold-forged caliper and KingPin structural pad retention bolt that increases stiffness.
With a motorsports-inspired Two-Stroke dual port bleed system, industry-leading DOT 5.1 fluid and Kevlar hose, the hydraulic system is engineered for ultimate performance across all temperatures and easy maintenance.
Dominion A4 features the proprietary QuickBite² system for fast and consistent burnish, coupled with our D-Series rotor to manage the heat with less braking noise.
Available in SFL (Small Finger Lever)—ergonomically tailored for the smaller hand.
Key Features:
- Tool-Free Reach Adjustment
- Flip-Flop Lever Orientation
- King Pin Pad Retention
- Crosshair Caliper Alignment
- Two-Stroke Dual-port bleed system
Specifications:
- 310g (100cm hose and mount hardware)
- DOT 5.1 Fluid
- Tool-Free Reach Adjustment
- 2-Stroke Dual Port Bleed System
- Sealed Cartridge Bearings Lever Pivot
- 100cm Front Hose Length
- 180cm Rear Hose Length

$249.99
Introducing the all-new, Stealth Dominion, our award-winning Hayes Dominion A4 brakes are back – adding even more ways for you to stop!
Dominion's master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite point. The Dominion A4 caliper utilizes four pistons in the most structurally rigid design possible. It features a cold-forged caliper and KingPin structural pad retention bolt that increases stiffness.
With a motorsports-inspired Two-Stroke dual port bleed system, industry-leading DOT 5.1 fluid and Kevlar hose, the hydraulic system is engineered for ultimate performance across all temperatures and easy maintenance.
Dominion A4 features the proprietary QuickBite² system for fast and consistent burnish, coupled with our D-Series rotor to manage the heat with less braking noise.
Available in SFL (Small Finger Lever)—ergonomically tailored for the smaller hand.
Key Features:
- Tool-Free Reach Adjustment
- Flip-Flop Lever Orientation
- King Pin Pad Retention
- Crosshair Caliper Alignment
- Two-Stroke Dual-port bleed system
Specifications:
- 310g (100cm hose and mount hardware)
- DOT 5.1 Fluid
- Tool-Free Reach Adjustment
- 2-Stroke Dual Port Bleed System
- Sealed Cartridge Bearings Lever Pivot
- 100cm Front Hose Length
- 180cm Rear Hose Length

$149.99
Replacement Master Cylinder and Lever Assembly for Dominion A4 & A2 Disc Brakes. Black/Bronze

$31.50
- Prime 2-piece rotors are for Prime Pro and Expert brakes only
- L-series, lightweight one piece rotors
- V-cut profile steel rotors for optimum weight-to-performance ratio. Increased surface area over previous designs increases power while cutouts and drillings help keep pads clean
- Rotors includes: (1) 6-bolt/44mmBCD rotor, (1) Torx wrench, and (6) T-25 rotor mounting bolts with thread retaining compound
- 205g @ 203mm

$15.75 - $27.30
- T100 Sintered Metallic: long-life, all-condition compound
- T106 Semi Metallic: no-bed, shorter-life, quieter compound
- Set includes one pair of pads with retention clip

$23.18
- MC bodies are bare (no guts, reservoir, lever, etc.)
- Stroker Series bodies come with bar clamp and bolts

$10.60 - $21.12
- Hayes service parts for calipers
- Rebuild kits include: (2) caliper pistons with square profile seals, transfer port o-ring, and caliper bleeder with cap

$17.62
- MC bodies are bare (no guts, reservoir, lever, etc.)
- Stroker Series bodies come with bar clamp and bolts

$16.80
For use with 2000+ Hayes 74mm eye-to-eye calipers (adapters/calipers for 22mm mounts are no longer available)
- (IS) International Standard 51mm tabs; (QR) Quick Release; (TA) thru-axle
- Note: Fox-36/40 (thru-axle), Rock Shox Pike (Maxle), and Psylo (Tullio) axle forks use IS-QR adapters

$14.77
Hose fittings for Hayes hydraulic disc brakes available a la carte.
Hayes brake compatibility:
- HFX-9
- Prime
- Sole
- El Camino
- Radar

$11.81
- MC bodies are bare (no guts, reservoir, lever, etc.)
- Stroker Series bodies come with bar clamp and bolts
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