{"product_id":"kool-stop-d640s-sintered-brake-pads-shimano-saint-zee-trp","title":"Kool-Stop D640S Sintered Disc Brake Pads for Shimano Saint, Zee \u0026 TRP 4-Piston Brakes","description":"\u003cp\u003e\u003cstrong\u003eHeavy-duty sintered disc brake pads designed for aggressive trail, enduro, downhill, eMTB, and high-power braking applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Kool-Stop D640S brake pads are a premium sintered replacement pad designed for riders who demand consistent braking performance in wet weather, steep descents, and heavy-duty riding conditions. Featuring a durable sintered compound and steel backing plate, these pads deliver excellent heat resistance and long service life when compared to many organic compounds.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with popular Shimano Saint, Zee, and TRP 4-piston brake systems, the D640S is an excellent choice for gravity riders, eMTB riders, bike park laps, and riders who routinely generate high braking loads.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Functional Details\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eSintered compound for maximum durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eDesigned for aggressive trail, enduro, downhill, and eMTB riding\u003c\/li\u003e\n\u003cli\u003eMaintains braking performance during long descents\u003c\/li\u003e\n\u003cli\u003eExcellent wet-weather braking characteristics\u003c\/li\u003e\n\u003cli\u003eSteel backing plate for durability and consistent performance\u003c\/li\u003e\n\u003cli\u003eIncludes retaining spring\u003c\/li\u003e\n\u003cli\u003eFactory replacement fitment for multiple Shimano and TRP systems\u003c\/li\u003e\n\u003cli\u003eSold as one complete brake pad set for one caliper\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBrand: Kool-Stop\u003c\/li\u003e\n\u003cli\u003eModel: D640S\u003c\/li\u003e\n\u003cli\u003ePad Style ID: 31\u003c\/li\u003e\n\u003cli\u003ePad Material: Sintered\u003c\/li\u003e\n\u003cli\u003eCompound: Standard Sintered\u003c\/li\u003e\n\u003cli\u003eBackplate Material: Steel\u003c\/li\u003e\n\u003cli\u003eIncludes Spring: Yes\u003c\/li\u003e\n\u003cli\u003eUPC: 760251076352\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: KS-D640S\u003c\/li\u003e\n\u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Technical Notes\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCompatible with Shimano Saint M810, M820, M640, and M8020 brake calipers.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCompatible with Shimano Zee brake systems using Saint\/Zee style pads.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCompatible with TRP G-Spec E-MTB, Quadiem, Quadiem G-Spec, Slate Evo, and Slate T4 brakes.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for 4-piston brake systems using Pad Shape 31.\u003c\/li\u003e\n\u003cli\u003eNot compatible with Shimano XT, SLX, Deore, or road\/gravel brake systems using different pad shapes.\u003c\/li\u003e\n\u003cli\u003eAlways verify your current pad shape before ordering.\u003c\/li\u003e\n\u003cli\u003eNew brake pads should be properly bedded-in after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eService \/ Ownership Context\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePopular replacement for riders wearing out pads quickly on steep terrain\u003c\/li\u003e\n\u003cli\u003eSintered compounds typically last longer than organic compounds\u003c\/li\u003e\n\u003cli\u003eExcellent choice for heavier riders and eBike applications\u003c\/li\u003e\n\u003cli\u003eProvides consistent braking performance in wet and muddy conditions\u003c\/li\u003e\n\u003cli\u003eIdeal for riders experiencing brake fade on long descents\u003c\/li\u003e\n\u003cli\u003eRotor condition should be inspected whenever brake pads are replaced\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eFit \u0026amp; Use Signals\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood Fit:\u003c\/strong\u003e Shimano Saint, Shimano Zee, TRP Quadiem, TRP Slate, eMTB, downhill, enduro, bike park riding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot A Fit:\u003c\/strong\u003e Shimano XT, SLX, Deore, road, gravel, or 2-piston systems using different pad shapes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Case:\u003c\/strong\u003e Enduro racing, downhill riding, eBike use, aggressive trail riding, wet weather riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv data-ai=\"mechanic-insight\" style=\"display:none\"\u003e\n\n\u003cstrong\u003e1. Real Mechanic Insights\u003c\/strong\u003e\n\n- The biggest ordering mistake is assuming all Shimano brake pads are interchangeable\n- Saint, Zee, and many TRP 4-piston systems use a completely different pad shape than XT or SLX brakes\n- Sintered pads often squeal slightly more than organic pads but typically last much longer\n- Riders on eMTBs frequently prefer sintered compounds because of the increased bike weight\n- Proper bedding-in dramatically improves braking performance and pad longevity\n\n\u003cstrong\u003e2. Typical Customer Searches\u003c\/strong\u003e\n\n- Shimano Saint brake pads\n- Shimano Zee brake pads\n- TRP Quadiem brake pads\n- Shimano 4 piston brake pads\n- sintered MTB brake pads\n- eMTB brake pads\n- Kool Stop D640S\n\n\u003cstrong\u003e3. Often Replacing\u003c\/strong\u003e\n\n- Shimano H03A pads\n- Shimano H01A pads\n- Shimano Saint OEM pads\n- TRP OEM brake pads\n- Worn bike park brake pads\n\n\u003cstrong\u003e4. Good Fit \/ Not A Fit\u003c\/strong\u003e\n\n- Good Fit: Saint, Zee, Quadiem, Slate, aggressive trail, downhill, and eMTB riders\n- Not A Fit: Shimano XT, SLX, Deore, GRX, Ultegra, Dura-Ace, or other pad shapes\n\n\u003cstrong\u003e5. Recommended Shop Pairings\u003c\/strong\u003e\n\n- Rotor inspection service\n- Rotor replacement\n- Brake bleed service\n- Caliper alignment service\n- Brake rotor cleaning\n- Full brake tune-up\n\n\u003cstrong\u003e6. What Customers Compare This To\u003c\/strong\u003e\n\n- Shimano H03A\n- Shimano H01A\n- Galfer Pro Pads\n- TRP OEM Pads\n- Jagwire Pro Pads\n- SRAM Metallic Pads\n\n\u003c\/div\u003e","brand":"Kool-Stop","offers":[{"title":"Default Title","offer_id":53615119761722,"sku":"GG-BPAD-KOOLSTOP-D640S-SINTERED","price":23.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/121236.jpg?v=1781637908","url":"https:\/\/gograva.com\/products\/kool-stop-d640s-sintered-brake-pads-shimano-saint-zee-trp","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}