Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit
Dominion A4 Brake Kit

Dominion A4 Brake Kit

95-36115-K001-D

Regular price$249.99
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Description

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.

•Tool-Free Reach Adjustment
•Flip-Flop Lever Orientation
•King Pin Pad Retention
•Crosshair Caliper Alignment
•Two-Stroke Dual-port bleed system

•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

Rotors and Brackets not included

Get everything you need!

Low Input - High Fidelity (LoFi)

Low effort system with predictable, progressive ramp up and a crisp bite point.

Loaded With Tech

Reduced Friction - A featherlight lever feel is acheived through a combination of an added glide ring on the piston and sealed ball bearings at the lever blade pivot
SRL - Our Stable Rate Link delivers a consistent lever ratio regardless of reach
Precise Engagement - Each Dominion is factory set to have the lowest dead stroke possible and a crisp bite point.
Built to last - Metal pistons are used to ensure that no matter the terrain or temperature your brake will continue to perform as it did on the first ride
Adjustable Reach - Adjust your lever reach with ease while on the trail thanks to an intuive adjustment knob design

Modal Resonance Cancellation (MRC)

FEA-optimized modal shapes of D-Series rotors are intentionally designed to oppose those of Semi-Met T106 and Sintered T100 pads, canceling out noise and vibration.

Crosshair Caliper Alignment screws allow for quick and accurate setup.

King Pin pad retention bolt adds strength.

2-Stroke dual port bleed system for maximum bleed integrity.

Customer Reviews

Based on 30 reviews
87%
(26)
7%
(2)
7%
(2)
0%
(0)
0%
(0)
D
David
Brake pads

Hi, I would like to know which pads is included in the box? Thank you

D
DANIEL TOBIAS
Crazy brakes!

These things are scary! I mean who wants to come to a complete stop with minimal effort?? I've gotten used to squeezing the ever loving crap out of my Shimmy's to come to a slow rolling stop for over a year now! With my new Hayes A4's I can wait until I actually want to brake to squeeze them....and only with a gentle pull of one finger! It's almost like Haye's wanted you to able to stop or something?!?!?!

D
DANIEL TOBIAS
Dominions rock!

I can't express how well these feel! I can brake easily with one finger on the lever now, and with confidence! Great combination of modulation and stopping power!

J
James
Amazing brakes

I have the A4 model for a few months, I am satisfied with the purchase.

I have a doubt.

When I have to do maintenance, can I use any DOT 5.1 Fluid?

Dot 5.1 Fluid and nothing else!

A
Alex J.
Best brakes I've ever used, HANDS down.

There are so many places I could start with the Dominion A4's, whether it would be the incredibly consistent, powerful bite point, the feathery lever stroke (which makes going back to a pair of SRAM/Shimano's feel redundant), or their unmatched modulation, but the truth is Hayes has made a product that stands out against all the other brands in my humble opinion. Not to mention, their customer support is next to none (try getting a new master cylinder shipped out to your door in 4 days (like I did from Hayes), from Shimano. Hint: it'll take more like 4 months... Shout out Matt K. !!)

I'll never look back at another brake set again. These have changed my riding exponentially. There's a reason Remy Metailler rides them, I suggest you find out for yourself, just like I did, you won't be disappointed.

Hayes FOR LIFE!


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