About this product
Kool-Stop KS-D640K Aluminum Backed Organic Disc Brake Pads
Kool-Stop KS-D640K pads use an organic resin compound for low noise, smooth modulation, and rotor-friendly stopping performance. The forged aluminum backing plate with integrated cooling fins helps manage heat for consistent braking on long descents and aggressive terrain. Includes pad spring and hardware for a complete single-caliper refresh.
Key Features
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Organic compound with low noise and smooth power modulation
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Forged aluminum backing plate with cooling fins for heat control
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Rotor-friendly compound for extended rotor life
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Includes 2 pads (1 caliper) plus spring
Caliper Compatibility
Compatible with:
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Shimano Zee BR-M640
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Shimano Saint BR-M820
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Shimano Deore XT BR-M8020
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Shimano MT420 / MT520
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Shimano XTR BR-M9120
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Shimano SLX BR-M7120
Not Compatible With
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Shimano Saint BR-M810 (older model)
Specs
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Material: Organic
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Backplate: Forged aluminum with cooling fins
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Brake Type: Disc hydraulic
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Attachment: Standard disc pad + spring
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Manufacturer Part Number: KS-D640K
Condition & Packaging
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New OEM
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Retail packaged
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Includes only what is pictured
Description supplied by Wheel & Sprocket - Outlet through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






