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Hayes Dominion T4 Disc Brake and Lever - Front, Hydraulic, Post Mount, Black
Reference Number: 3OW6MV
Upgrade your mountain biking performance with the Hayes Dominion T4 Disc Brake and Lever - Front, Hydraulic, Post Mount, Black. Engineered for demanding riders, this high-performance braking system combines innovative materials, precision engineering, and elite technology to deliver unrivaled stopping power, control, and reliability on the trail.
Materials & Construction:
Built for durability and lightweight performance, the Dominion T4 features Reynolds-designed in-house manufactured carbon-fiber lever blades for superior strength-to-weight ratio and a sleek, responsive feel. The titanium hardware ensures resilience under intense riding conditions, while a composite reservoir cover enhances durability and aesthetic appeal. Semi-metallic pads with aluminum backing plates provide optimal modulation and fade resistance, ensuring consistent braking performance mile after mile.
Performance & Engineering:
Designed for low-effort, high-fidelity braking, the Dominion T4 offers a predictable, progressive ramp-up with a crisp bite point-thanks to Hayes' proprietary LOFi system. The included 2-Stroke dual port bleed system guarantees maximum bleed integrity, simplifying maintenance and ensuring long-lasting performance. The stable Rate Link mechanism maintains a consistent lever ratio regardless of reach adjustments, delivering a confident, responsive braking experience-even in the most challenging terrains.
Components & Technology:
Pre-assembled and pre-bled with Hayes' K2 hose-a highly stiff, reinforced hydraulic line that maximizes power transmission and control. The adjustable reach feature allows for customization to fit rider preference and hand size, while the post-mount caliper design ensures straightforward installation compatible with a variety of bikes. The included kit covers the left/front configuration, with the caliper sold separately.
Style & Use Case:
With a sleek black finish, the Dominion T4 seamlessly integrates into aggressive trail bikes, enduro rigs, and all-mountain setups. Its lightweight design (257g) makes it ideal for riders demanding precise modulation and maximum control without added weight. Whether racing downhill or conquering technical trails, the Dominion T4 provides dependable stopping power, enhanced modulation, and a refined aesthetic.
Innovative Features & Differentiators:
- Reynolds carbon fiber lever for reduced weight and increased responsiveness
- Titanium hardware for enhanced durability and corrosion resistance
- LOFi progressive ramp-up system for predictable braking feel
- Stable Rate Link mechanism maintains lever ratio consistency under varied reach settings
- 2-Stroke dual port bleed system for easy maintenance and maximum bleed integrity
- High-quality DOT hydraulic fluid for reliable performance in all weather conditions
Note: Rotor and adapters are sold separately, allowing you to select the optimal rotor size for your riding style and terrain. Elevate your braking game with the Hayes Dominion T4 Front Disc Brake - the choice for high-performance, trail-ready braking.
- High-performance hydraulic disc brake system designed for superior stopping power and modulation on mountain and road bikes.
- Constructed with Reynolds carbon-fiber lever blades and titanium hardware to reduce weight while enhancing durability and precision feel.
- Features innovative 2-Stroke dual port bleed system for maximum bleed integrity, ensuring consistent performance and minimal maintenance.
- Equipped with an adjustable reach and a stable Rate Link mechanism, providing a predictable, progressive brake feel for confident control in all conditions.
- Compatible with post-mount calipers (sold separately), this brake system offers a sleek black finish and a low-effort design, making it ideal for serious cyclists seeking reliable, high-level braking technology.
Why 365 Cycles?
365 Cycles is an Authorized Hayes Dealer, and we offer the Full Hayes Warranty!
Fast Shipping!
Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!
365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.
We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.
Shipping & Handling
Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.Please allow 1-2 business days for your order tracking to update.
- Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
- Friday afternoon -Sunday orders ship the following Monday
- Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.
Combined Shipping Discounts
To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.- Be sure you are using the US site: https://www.ebay.com
- Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
- Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
- Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
- You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.
Returns
365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.
