About The Product
- Factory replacement high-performance disc brake pads
- Performance braking in extreme conditions
Experience superior stopping power with the Kool-Stop D635CS Clarks Disc Brake Pads, engineered for optimal performance with Shimano disc brake systems and a range of compatible components. Designed with advanced materials and innovative engineering, these brake pads deliver consistent, reliable braking in all conditions, making them an essential upgrade for serious cyclists and mountain biking enthusiasts.
Materials & Construction:
Crafted from high-quality sintered pad material, the Kool-Stop D635CS ensures excellent durability and friction performance. The organic pad compound provides smooth modulation, excellent stopping power, and reduced brake fade, even during prolonged descents or aggressive riding. The steel backplate, enhanced with a copper-plated finish, offers superior thermal conductivity, helping to dissipate heat and prevent brake overheating for extended, reliable performance.
Performance & Engineering:
Designed for high-performance braking, these pads are compatible with Shimano XTR, Deore, SLX, XT, and XTR M985/988 models, as well as Clarks M1, M2, M3, CMD-22, CMD-23, CMD-27, FSA Afterburner, K-Force, and Origin8 Vise Hydraulic Press Fit systems. Their precision engineering ensures optimal fit and minimal noise, delivering consistent braking feel across varying terrains and conditions.
Components & Technology:
The innovative copper-plated steel backplate enhances heat dissipation, while the sintered brake pad material provides excellent friction and longevity. The standard compound strikes a balance between stopping power and longevity, making these pads suitable for both mountain biking and Cyclocross riders seeking dependable performance.
Style & Use Case:
Ideal for aggressive mountain biking, cyclocross, and all-road cycling, the Kool-Stop D635CS is built to meet the demands of intense riding scenarios. Their robust construction and reliable braking response make them perfect for technical descents, wet conditions, and high-speed racing.
Key Features:
- Compatible with Shimano XTR, Deore, SLX, XT, and more
- Sintered pad for durability and consistent braking
- Copper-plated steel backplate for enhanced heat dissipation
- Organic pad compound for smooth, quiet braking
- Designed for mountain biking, cyclocross, and off-road cycling enthusiasts
Upgrade your braking system with the Kool-Stop D635CS Clarks Disc Brake Pads and experience improved stopping power, increased heat resistance, and reliable performance every ride. Perfect for riders seeking high-quality, long-lasting disc brake pads with proven technology and superior materials.
- High-performance Koolstop D635CS Clarks M1, M2, M3, CMD-22, CMD-23, CMD-27, FSA Afterburner, K-Force, Origin8 Vise Hyd PM, and Shimano disc brake pads engineered for superior stopping power and durability.
- Constructed with a copper-plated steel backplate for efficient heat dissipation, ensuring consistent performance during intense rides.
- Features a high-quality sintered pad compound that offers excellent modulation, fade resistance, and reliable braking in wet or muddy conditions.
- Designed specifically for Shimano disc brake systems including XTR, SLX, Deore, and CX75, providing perfect compatibility and a secure fit for mountain biking, cyclocross, and road applications.
- Innovative cooling back plate technology reduces heat buildup, extending pad lifespan and maintaining optimal braking performance even on long descents.
| Specification | Value |
|---|---|
| Manufacturer | KOOLSTOP |
| Manufacturer Part No. | KS-D635CS |
| Universal Product Code | 760251082995 |
| Invoice Description | BRAKE SHOES K/S DISC SHI 7100/8100/9020 SINT w/SPRING |
| Shipping Weight | 0.09 lbs. |
| Package Dimensions | 5.15 x 3.2 x 0.3 |
| 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 | Sintered |
| Compound | Standard |
| Brand | Kool-Stop |
| Backplate | Steel |
- 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
