{"product_id":"hayes-21-disc-brake-adaptor-mountain-bike-downhill-bike-fat-bike-hardtail-bike-gravel-bike-cyclocross-bike-br3954","title":"Hayes Post Disc Brake Adaptor +43mm for Post Mount Frames, Fits 203mm Rotor, IS - QR - Thru-Axle Compatibility, Black, 74mm Caliper Mount","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain biking setup with the Hayes Post Disc Brake Adaptor, designed specifically for post mount frames and versatile enough to accommodate large rotors up to 203mm diameter. Crafted from high-quality materials, this durable adaptor ensures reliable performance in aggressive trail riding and demanding downhill conditions. Its precision engineering guarantees a secure fit with Hayes' 74mm eye-to-eye calipers, providing optimal braking power and modulation.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eConstructed with an innovative +43mm extension, this adaptor is compatible with 160mm post mount rotors, making it an ideal choice for riders seeking robust stopping power for downhill, enduro, or aggressive trail riding. Its sleek black finish adds a professional look to your bike, while its lightweight design (weighing just 22g) minimizes adding unnecessary bulk.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eDesigned for universal compatibility, the Hayes Post Disc Brake Adaptor supports (IS) International Standard 51mm tabs, (QR) quick release systems, and (TA) thru-axle configurations. Notably, it works seamlessly with Fox-36\/40 (thru-axle), RockShox Pike (Maxle), and Psylo (Tullo) forks using IS-QR adapters, ensuring broad application across different bike builds.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eThis product includes all necessary mounting bolts, making installation quick and hassle-free. Whether you're upgrading your existing setup or building a new bike, the Hayes Post Disc Brake Adaptor provides the performance, compatibility, and style you need to tackle any trail with confidence. Elevate your braking system today with this reliable, innovative upgrade engineered for serious mountain bikers.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePrecise +43mm offset design ensures optimal clearance and compatibility with 203mm rotors for enhanced braking power on mountain bikes and downhill rigs\u003c\/li\u003e\n\u003cli\u003eConstructed from durable, high-strength materials featuring corrosion-resistant black finish for long-lasting performance in all weather conditions\u003c\/li\u003e\n\u003cli\u003eEngineered to fit Hayes 74mm eye-to-eye post mount calipers, compatible with a wide range of frame and fork standards including IS-QR, thru-axle, and quick release setups\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary mounting bolts and hardware, simplifying installation and ensuring secure, reliable brake performance under demanding trail and downhill riding conditions\u003c\/li\u003e\n\u003cli\u003eOptimized for mountain biking, enduro, and downhill applications, this adapter provides a seamless upgrade path for upgrading brake systems and maximizing rotor compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Hayes","offers":[{"title":"Default Title","offer_id":42356457799747,"sku":"BR3954","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BR3954.jpg?v=1779311979","url":"https:\/\/365cycles.com\/products\/hayes-21-disc-brake-adaptor-mountain-bike-downhill-bike-fat-bike-hardtail-bike-gravel-bike-cyclocross-bike-br3954","provider":"365 Cycles","version":"1.0","type":"link"}