BRAKE SHOES K/S DISC SHI XT SLX ORG ALYM985/785/975Factory replacement high-performance disc brake pads. Organic materials with small amounts of metal. Rotor friendly. Item Specifications: Pad Style ID, 21, Compatibility, M985, M785, M975 XT, Pad Material, Semi-Metallic, Backplate, Aluminum, Brand, Kool-Stop,

Koolstop D635A Organic Semi-Metallic Disc Brake Pads for , FSA, Clarks, Origin8

Reference Number: 3OA5MM

Upgrade your bike's braking performance with the Koolstop D635A Clarks M1, M2, M3, CMD-22, CMD-23, CMD-27, FSA Afterburner, K-Force, Origin8 Vise Hyd PM, and -compatible high-performance disc brake pads. Designed with precision and innovation, these pads deliver superior stopping power, durability, and rotor-friendly performance for serious cyclists and enthusiasts alike.

Materials & Engineering Excellence

Crafted from a semi-metallic organic compound, these brake pads fuse organic materials with small amounts of metal to optimize friction and heat management. The aerodynamic aluminum backing plate reduces weight by 50% compared to steel counterparts, enhancing overall riding efficiency and responsiveness. Each pad includes a durable retention spring for secure installation and consistent performance.

Advanced Components & Technology

Engineered for compatibility with a broad range of high-end and aftermarket disc brake systems, including Clarks M series, CMD models, FSA Afterburner, K-Force, Origin8 Vise Hyd PM, and Deore, SLX, XT, and XTR models (2011+). The semi-metallic compound ensures excellent modulation, fade resistance, and rotor friendliness, extending your brake rotor lifespan and maintaining consistent braking throughout your ride.

Performance & Use Case

Ideal for mountain biking, cyclocross, gravel riding, and road biking, these pads excel in various conditions-wet, muddy, or dry. Their high-performance organic blend provides smooth, predictable braking while minimizing rotor wear. Perfect for cyclists seeking reliable, factory-replacement pads that combine dependable stopping power with lightweight design.

Style & Durability

With a sleek, lightweight aluminum backing and a proven organic semi-metallic formulation, these pads offer a clean, professional look while delivering unmatched durability. Whether you're racing, commuting, or tackling technical trails, the Koolstop D635A pads provide the confidence you need in every pedal stroke.

Key Features at a Glance:

- Factory replacement high-performance disc brake pads compatible with major brands and models

- Organic semi-metallic compound for rotor-friendly, consistent braking

- Aluminum backing plate reduces weight without sacrificing strength

- Includes pad retention spring for secure fit and easy installation

- Suitable for mountain biking, road cycling, cyclocross, and gravel riding

- Long-lasting, fade-resistant performance in all weather conditions

Enhance your bike's braking system with Koolstop's trusted quality and innovative design. Order your set of D635A Clarks, FSA, Origin8, , or compatible disc brake pads today for reliable stopping power on every ride!

  • High-performance organic disc brake pads engineered for reliable stopping power across a variety of , FSA, Clarks, and Origin8 hydraulic brake systems, ensuring compatibility and optimal performance.
  • Constructed with a semi-metallic compound and lightweight aluminum backing plate, these pads deliver enhanced durability, reduced weight, and rotor-friendly braking for a smoother ride.
  • Designed for versatility, these factory replacement pads are compatible with popular models like Deore, SLX, XT, XTR, Clarks M1-M3, CMD series, and more, making them ideal for mountain biking, gravel, and cyclocross applications.
  • Featuring innovative organic composite materials blended with resin and minor metal elements, these brake pads provide consistent brake feel, excellent modulation, and long-lasting performance even in demanding riding conditions.
  • Includes a pad retention spring for secure installation and reliable braking performance, making them a must-have upgrade for serious cyclists seeking high-quality, aftermarket hydraulic disc brake pads.
Item Specifications
Pad Style ID21
CompatibilityClarks M1, M2, M3, CMD-22, CMD-23, CMD-27 / FSA Afterburner, K-Force / Origin8 Vise Hyd PM / Deore M615, SLX M666, SLX M675, XT M785, XTR M985, XTR M988, S700 (2011+), CX75
Pad MaterialSemi-Metallic
BackplateAluminum
CompoundStandard
BrandKool-Stop
Compound/BackingOrganic/Alloy
Model Name (G-Type 2-Piston)

Why 365 Cycles?

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

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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.



DBBP0288 .

Company Details

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

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