{"product_id":"ks-d310","title":"Organic Formula B4 Disc Brake Pads","description":"\u003cp\u003eThe Kool-Stop KS-D310 is a disc brake pad set designed for the Formula B4 caliper system, covering a wide range of Formula-compatible models used by cross-country, freeride, and downhill riders. With a lightweight construction and spring-included design, these pads are a reliable replacement choice for riders who demand consistent stopping power on technical descents and variable road surfaces across India.\u003c\/p\u003e\u003ch3\u003eOur Take\u003c\/h3\u003e\u003cp\u003eIf you run Formula B4 brakes and need a dependable replacement pad, the KS-D310 is a straightforward, well-matched solution. Kool-Stop's reputation for consistent friction compound performance makes these pads a sensible pick for riders tackling the Western Ghats, the technical switchbacks above Ooty, or the monsoon-slicked roads around Lonavala and Khandala, where brake fade and wet-weather modulation genuinely matter. At roughly 22 grams per pair, the weight penalty is minimal.\u003c\/p\u003e\u003ch3\u003eSizing for Indian Riders\u003c\/h3\u003e\u003cp\u003eThese are a direct caliper-fitment item — sizing here refers to brake system compatibility rather than body fit. Confirm your Formula caliper model before ordering. Riders in Pune, Hyderabad, and Chennai running Formula B4, Racing XC, Extreme FR\/DH, B4 Team, PRO, or SL calipers will find these a direct fit. Grimeca System 13 compatibility is also confirmed.\u003c\/p\u003e\u003ch3\u003eCompatibility Notes\u003c\/h3\u003e\u003cp\u003eKS-D310 pads are compatible with Formula B4, Racing XC, Extreme FR\/DH, B4 Team, PRO, SL calipers, and Grimeca System 13. Pads are sold as a pair with springs included. Clean the rotor with isopropyl alcohol after fitting and bed in the pads with progressive braking before full-load use.\u003c\/p\u003e\u003ch3\u003ePairs Well With\u003c\/h3\u003e\u003cp\u003eComplete your brake setup with disc brake rotors in a matching standard, hydraulic brake fluid for Formula systems, brake bleed kits for at-home servicing, and handlebar-mount levers or dropper post remotes to round out your cockpit controls.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/koolstop\"\u003eExplore the full KOOLSTOP collection at Cobbled Climbs\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy buy from Cobbled Climbs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100% genuine — authorised KOOLSTOP retailer in India\u003c\/li\u003e\n\u003cli\u003eFree delivery on orders above Rs. 2,500\u003c\/li\u003e\n\u003cli\u003eCash on delivery available nationwide\u003c\/li\u003e\n\u003cli\u003e7-day easy returns\u003c\/li\u003e\n\u003cli\u003eShipped from Mumbai\u003c\/li\u003e\n\u003cli\u003eExpert advice — our team rides this gear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstyle\u003e.cc-faq{margin:32px 0 24px}.cc-faq__item{border-top:1px solid #e5e5e5;margin:0}.cc-faq__item:last-of-type{border-bottom:1px solid #e5e5e5}.cc-faq__q{cursor:pointer;list-style:none;padding:24px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;outline:none}.cc-faq__q::-webkit-details-marker{display:none}.cc-faq__q:focus-visible{outline:2px solid #000;outline-offset:-2px}.cc-faq__q::after{content:\"\";width:14px;height:14px;flex-shrink:0;background-image:url('data:image\/svg+xml;utf8,\u003csvg viewBox=\\\"0 0 14 14\\\" xmlns=\\\"http:\/\/www.w3.org\/2000\/svg\\\"\u003e\u003cpath d=\\\"M2 5l5 5 5-5\\\" stroke=\\\"%23000\\\" stroke-width=\\\"1.5\\\" fill=\\\"none\\\"\/\u003e\u003c\/svg\u003e');background-repeat:no-repeat;background-position:center;transition:transform .2s ease}.cc-faq__item[open] .cc-faq__q::after{transform:rotate(180deg)}.cc-faq__a{padding:0 0 28px;margin:0}\u003c\/style\u003e\u003csection class=\"cc-faq\" aria-label=\"Frequently Asked Questions\"\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails class=\"cc-faq__item\"\u003e\u003csummary class=\"cc-faq__q\"\u003eWhat is the Kool-Stop KS-D310 best used for?\u003c\/summary\u003e\u003cp class=\"cc-faq__a\"\u003eThe KS-D310 is best used as a direct replacement pad for Formula B4 disc brake calipers on mountain bikes used in trail, cross-country, freeride, and downhill riding. They are a practical choice for Indian riders tackling loose gravel climbs, monsoon-wet descents, or the technical forest roads around Coorg and the Western Ghats.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"cc-faq__item\"\u003e\u003csummary class=\"cc-faq__q\"\u003eHow do I know if the KS-D310 pads will fit my brake calipers?\u003c\/summary\u003e\u003cp class=\"cc-faq__a\"\u003eThese pads are compatible with Formula B4, Racing XC, Extreme FR\/DH, B4 Team, PRO, and SL calipers, as well as the Grimeca System 13. Check the model name printed or stamped on your caliper body. If you are unsure, photograph your caliper and reach out to the Cobbled Climbs team before ordering — we are happy to confirm compatibility.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"cc-faq__item\"\u003e\u003csummary class=\"cc-faq__q\"\u003eWill the KS-D310 pads hold up in monsoon conditions and 35°C+ heat common across India?\u003c\/summary\u003e\u003cp class=\"cc-faq__a\"\u003eKool-Stop disc pads are formulated for consistent performance in both wet and dry conditions. During Indian monsoon season, wet rotors can reduce initial bite, so a proper bed-in process and clean rotor surface are essential. In high-heat conditions common in Hyderabad, Chennai, or Ahmedabad, allow brake systems to cool periodically on long descents to prevent fade.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"cc-faq__item\"\u003e\u003csummary class=\"cc-faq__q\"\u003eHow do the KS-D310 pads compare to OEM Formula brake pads?\u003c\/summary\u003e\u003cp class=\"cc-faq__a\"\u003eKool-Stop pads are widely regarded as a quality aftermarket alternative to OEM Formula pads, offering comparable or improved friction consistency, particularly in wet conditions. They include replacement springs, which OEM replacements sometimes omit. For riders in Pune or Delhi who do high mileage and replace pads frequently, Kool-Stop can be a cost-effective and performance-consistent choice.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"cc-faq__item\"\u003e\u003csummary class=\"cc-faq__q\"\u003eAre the KS-D310 pads worth the price, and do they carry a warranty?\u003c\/summary\u003e\u003cp class=\"cc-faq__a\"\u003eGiven Kool-Stop's long-standing reputation in brake pad engineering, the KS-D310 pads represent solid value for a direct-fit Formula B4 replacement. Kool-Stop products are backed by the brand's standard manufacturing quality guarantee. For specific warranty queries or post-purchase support, contact Cobbled Climbs directly. Free delivery applies on orders above Rs. 2,500, and cash on delivery is available across India.\u003c\/p\u003e\u003c\/details\u003e\u003c\/section\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the Kool-Stop KS-D310 best used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The KS-D310 is best used as a direct replacement pad for Formula B4 disc brake calipers on mountain bikes used in trail, cross-country, freeride, and downhill riding. 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