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 . 'Smart' part number is Hayes ID stamped/cast into adapter bracket (sometimes in conjunction with a leading 74and/or a trailing letter)Includes mounting bolts. Item Specifications: Size, +20mm, Color, Black, Model Name, 31, Caliper, Post Mount 74mm, Fork/Frame Mount, (PM) 74mm,

Hayes Post Mount Disc Brake Adaptor 160mm for 180mm Rotor, Black, ISO/QR/Ta

Reference Number: 6M20C6

Upgrade your bike's braking performance with the Hayes Post Mount Disc Brake Adapter - 160mm Mount for 180mm Rotor. Designed for precise compatibility and seamless installation, this high-quality disc brake adapter is essential for serious cyclists seeking reliable stopping power across diverse riding conditions.

Materials & Durability:

Constructed from rugged, corrosion-resistant black anodized aluminum, the Hayes Post Mount Disc Brake Adapter offers exceptional durability and lightweight performance. Its sturdy build ensures long-lasting reliability even under intense braking and challenging terrains.

Performance & Engineering:

Engineered for optimal braking efficiency, this adapter converts a 74mm post mount caliper to accommodate a 180mm rotor, increasing the braking surface for enhanced stopping power. It's compatible with Hayes' renowned calipers, specifically for models 2000+ with 74mm eye-to-eye mounting, and ensures precise alignment and consistent modulation. The +20mm size increase enhances heat dissipation and decrease fade during aggressive descents.

Components & Technology:

The adapter includes all necessary mounting bolts for quick, secure installation. Features like the IS (International Standard) 51mm tabs, quick-release (QR), and thru-axle (TA) compatibility ensure versatility across multiple fork and frame setups-such as Fox 36/40 thru-axle forks, RockShox Pike Maxle, and Psylo Tullio axle forks, which utilize IS-QR adapters.

Style & Use Case:

With a sleek black finish and streamlined design, this adapter complements any mountain bike build, providing a clean aesthetic while supporting aggressive trail riding, enduro, and downhill applications. Its versatile compatibility makes it suitable for riders upgrading their existing brake system or customizing their setup for specific riding styles.

Innovative Features:

The 'smart' part number, Hayes ID stamped or cast into the bracket, simplifies identification, ensuring correct compatibility and quality assurance. Its universal fitment and inclusion of mounting hardware promote quick and hassle-free installation, reducing downtime on busy shop floors or trail repairs.

Optimize Your Braking System:

Enhance your mountain biking experience with the Hayes Post Mount Disc Brake Adapter - the reliable, high-performance solution for converting your brake setup to handle larger rotors. Maximize your bike's stopping power, improve heat management, and enjoy confident descents with this essential component.

Key Specs:

- Size: +20mm for increased rotor capacity

- Color: Durable Black

- Model Name: 31

- Caliper Compatibility: Post Mount 74mm

- Fork/Frame Mount: 74mm Post Mount (PM)

- Suitable for 180mm rotors and compatible with a wide range of fork and frame standards

Boost your bike's braking performance today with the trusted quality of Hayes - designed for riders who demand excellence.

  • High-quality, SEO-friendly product bullets for the Hayes Post Mount Disc Brake Adaptor - 160 mm Mount for 180 mm Rotor:
  • Designed with durable high-strength steel materials, this Hayes adaptor ensures reliable performance and long-lasting durability in demanding mountain biking conditions.
  • Engineered with precise International Standard 51mm post mount compatibility, allowing seamless installation on a wide range of bicycle frames and forks for versatile use.
  • Features innovative +20mm size extension to adapt 180mm rotors to 74mm post mount calipers, optimizing braking power and modulation for enhanced downhill control.
  • Compatible with Hayes 74mm eye-to-eye calipers and various axle standards including QR, thru-axle, and Tullio forks, making it a flexible upgrade for your gravity-focused bike setup.
  • Includes all necessary mounting bolts and a smart ID stamped design for easy identification, ensuring a secure fit and streamlined installation for mountain, trail, and enduro cycling applications.
Item Specifications
Size+20mm
ColorBlack
Model Name31
CaliperPost Mount 74mm
Fork/Frame Mount(PM) 74mm

Why 365 Cycles?

365 Cycles is an Authorized Hayes Dealer, and we offer the Full Hayes Warranty!

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Professional Customer Service- available 7 days a week
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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.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. 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.



BR3937 .

Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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