Precision machined 6061 aluminum for tighter tolerances than stock cast adapters, minimizing pad/rotor alignment issues and pad rubbing . Weight optimized adapter and bolts save 9.3g over stock adapter setup . Reversible design to allow for either a 20mm increase or decrease in rotor size depending on the orientation of mounting . Kit includes (1) adapter, (4) black titanium bolts . Made in USAItem Specifications: Size, +20mm, Color, Purple, Model Name, Rear Flat, 17mm Bolts, Caliper, Flat Mount 34mm, Fork/Frame Mount, (FM) 74mm,

Premium 6061 Aluminum Flat Mount Rear Brake Adapter +20mm for , Purple

Reference Number: 3OA8ML

Upgrade your bike's braking performance with the Freedom Coast Flat Mount Brake Adapter - Rear, +20mm, Purple. Crafted from precision-machined 6061 aluminum, this high-quality adapter offers superior durability and tighter tolerances than standard cast alternatives, ensuring optimal alignment between your caliper, rotor, and pad for enhanced braking efficiency and reduced pad rubbing.

Materials & Engineering Excellence

Constructed from aerospace-grade 6061 aluminum, this adapter is lightweight yet incredibly strong, contributing to a 9.3g reduction in weight over stock adapters. The precision machining process guarantees a perfect fit, minimizing installation issues and ensuring consistent brake performance.

Components & Technology

Designed with a reversible configuration, this adapter enables you to easily switch between +20mm increase or decrease in rotor size by simply changing its orientation during installation. The kit includes one high-strength adapter and four black titanium bolts, providing corrosion resistance and a sleek aesthetic that complements modern cycling setups.

Style & Use Case

Ideal for mountain biking, gravel riding, or trail cycling, this purple anodized adapter adds a bold splash of color to your bike while enhancing rotor compatibility and brake modulation. The flat mount design fits a 74mm rear mounting system on flat mount frames and forks per industry standards, making it compatible with a wide range of bicycles.

Innovative Features

- Reversible Design: Adjust rotor size seamlessly to match your riding needs.

- Lightweight Optimization: Reduces overall weight, improving handling without sacrificing strength.

- Made in USA: Ensuring high manufacturing standards and quality assurance.

Key Specifications

- Size: +20mm

- Color: Purple

- Model: Rear Flat, 17mm Bolts

- Caliper Compatibility: Flat Mount 34mm

- Mounting Spacing: 74mm (FM)

Upgrade your braking system with confidence-choose the Freedom Coast Flat Mount Brake Adapter for precise, reliable stopping power and a sleek, customized look. Whether trail riding or competitive cycling, this adapter is your essential upgrade for improved performance and style.

  • Constructed from precision-machined 6061 aluminum, the Freedom Coast Flat Mount Brake Adapter offers superior durability and tighter tolerances than generic cast adapters, ensuring optimal pad and rotor alignment for consistent braking performance.
  • Designed for performance and versatility, this reversible rear brake adapter allows for easy 20mm rotor size adjustments, accommodating your evolving bike setup without additional hardware.
  • Engineered with lightweight titanium bolts, this setup saves 9.3 grams compared to traditional setups, enhancing your bike's overall weight savings and ride efficiency.
  • Compatible with Flat Mount 34mm calipers and designed for 74mm fork/frame mounts, this purple anodized adapter combines style with reliable performance for both road and gravel bikes.
  • Made in the USA, the Freedom Coast Adapter features a sleek purple finish and includes four black titanium bolts, offering a premium, corrosion-resistant solution for serious cyclists seeking durability and customization.
Item Specifications
Size+20mm
ColorPurple
Model NameRear Flat, 17mm Bolts
CaliperFlat Mount 34mm
Fork/Frame Mount(FM) 74mm

Why 365 Cycles?

365 Cycles is an Authorized Freedom Coast Dealer, and we offer the Full Freedom Coast 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.

  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.



DBAP0583 .

Company Details

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

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