About The Product
- Kool-Stop E-bike pads are produced with a ceramic barrier between the organic friction material and the steel backing plate to reduce heat transfer into the brake calliper causing brake fade
- Kool-Stop organic disc brake pads designed to be rotor friendly and even performing through the life of the pad
Upgrade your bike's braking performance with the Koolstop D635E Clarks E-Bike/Carbon Ceramic Disc Brake Shoes - engineered for superior stopping power, durability, and compatibility with a wide range of high-performance mountain and road bike setups. Designed by Kool-Stop, a leader in cycling brake technology, these brake shoes feature advanced materials and innovative engineering to ensure reliable braking under various riding conditions.
Materials & Construction:
Constructed with a high-quality ceramic backplate paired with organic pad material, the Koolstop D635E delivers an optimal balance of quiet operation, low dust, and excellent modulation. The ceramic backplate enhances heat dissipation, reducing brake fade during intense riding sessions, while the organic compound offers consistent grip, making them ideal for both dry and wet conditions.
Performance & Engineering:
Designed specifically for e-bike (electric bicycle) applications and high-performance mountain and road bikes, these brake shoes provide powerful, controlled braking. The ceramic layered steel backplate offers increased strength and longevity, ensuring durability to withstand rigorous riding and braking forces. The organic pad compound ensures smooth, predictable stopping power, improving rider confidence & safety.
Components & Technology:
Compatible with a wide range of Shimano, Clarks, FSA Afterburner, K-Force, Origin8 Vise Hydraulic Performance, and other high-end disc brake systems, including Shimano XTR M9000 series, XT M8000 series, SLX M676/M666, Deore M615, and Alfine S700. The design incorporates a Pad Style ID 21 fitment for seamless installation and performance across various bike models.
Style & Use Case:
Ideal for mountain biking, gravel riding, cyclocross, and e-bike applications where reliable, consistent braking is critical. The sleek design and high-quality materials ensure these brake shoes not only perform well but also complement the rugged aesthetic of modern mountain and road bikes.
Innovative Features:
- Ceramic layered steel backplate for superior heat management and durability
- Organic, eco-friendly pad compound optimized for E-Bikes and high-performance cycling
- Wide compatibility with popular Shimano, Clarks, FSA, and Origin8 disc brake systems
- Low noise, low dust, and excellent modulation for a smoother ride
Enhance your braking performance with Koolstop D635E Clarks E-Bike & Disc Brake Shoes - the perfect choice for serious cyclists seeking reliable stopping power and long-lasting performance on every ride.
- High-performance organic brake shoes engineered for superior stopping power and durability in e-bike and disc brake systems, compatible with Shimano XTR, XT, SLX, Deore, and other leading components.
- Featuring a ceramic layered steel backplate for enhanced heat dissipation and long-lasting strength, ensuring consistent braking performance under demanding riding conditions.
- Utilizing Kool-Stop's advanced ceramic and organic pad compound, designed to provide smooth, quiet braking with excellent modulation and reduced wear on brake rotors, perfect for high-performance cycling applications.
- Specifically engineered for a wide range of compatible brakes including Clarks, FSA Afterburner, K-Force, Origin8 Vise Hyd, and Shimano models, making them a versatile upgrade for road, mountain, and e-bike riders.
- Innovative design with spring-loaded construction for precise pad alignment and enhanced braking efficiency, ensuring safer, more controlled stops whether you're commuting, mountain biking, or racing.
| Specification | Value |
|---|---|
| Manufacturer | KOOLSTOP |
| Manufacturer Part No. | KS-D635E |
| Universal Product Code | 760251080564 |
| Invoice Description | BRAKE SHOES K/S DISC SHI XTR EBIKE ORG/CERAMIC w/SPRING |
| Shipping Weight | 0.06 lbs. |
| Package Dimensions | 5.15 x 3.2 x 0.1 |
| Country of Origin | UNITED STATES |
| Pad Style ID | 21 |
| Compatibility | Clarks M1, M2, M3, CMD-22, CMD-23, CMD-27 / FSA Afterburner, K-Force / Origin8 Vise Hyd PM / Shimano Deore M615, SLX M666, SLX M675, XT M785, XTR M985, XTR M988, S700 (2011+), CX75 |
| Pad Material | Organic |
| Compound | E-Bike |
| Brand | Kool-Stop |
| Backplate | Ceramic |
- Supplier:
- JBI
Bike Junkies offers no‑hassle returns and exchanges within 60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.
Return Eligibility
To qualify for a return or exchange, the following conditions must be met:
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The item must be in new, unused, and uninstalled condition.
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All original packaging, tags, hardware, and accessories must be included and intact.
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Items showing wear, installation marks, damage, or improper use cannot be accepted.
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An order number is required.
Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.
Refunds
Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.
Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account.
Exchanges
To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.
How to Start a Return
To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.
Once approved:
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You will receive a Return Authorization email with instructions.
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Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
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Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days.
Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.
Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.
Defective, Incorrect, or Damaged Items
If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.
Non‑Returnable Items
Certain items cannot be returned, including:
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Electronics with opened packaging or broken manufacturer seals
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Any part that has been installed or shows installation attempts
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Tools or chemicals that have been opened or unsealed
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Open‑box items with destroyed or missing packaging
Our Info
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Storefront name: Bike Junkies
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Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
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Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Order Processing and Handling
Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day.
Transit Times
Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.
Delivery Schedule
Standard delivery occurs Monday through Friday. Saturday delivery may be available.
Shipping Coverage
Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:
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Alaska
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Hawaii
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Puerto Rico
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Any international destination outside the United States
Orders placed with shipping addresses in restricted locations will be canceled and refunded.
Military Shipping (APO/FPO)
Bike Junkies ships to APO/FPO military addresses using USPS only.
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We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
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Transit times to APO/FPO locations may vary significantly depending on military mail processing.
Address Accuracy and Delivery Issues
Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.
Lost, Delayed, or Damaged Shipments
If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.
Tracking Information
A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.
Shipping Restrictions
Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
