{"product_id":"hayes-33-disc-brake-adaptor-mountain-bike-downhill-bike-fat-bike-hardtail-bike-gravel-bike-cyclocross-bike-br3944","title":"Hayes Post Disc Brake Adaptor for IS Mount | Front 200mm \u0026 Rear 180mm Rotor Compatibility | 74mm Post Mount, Quick-Release, Thru-Axle Compatible","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade Your Bike's Braking Performance with the Hayes Post Disc Brake Adaptor - IS Mount, Front 200mm \/ Rear 180mm Rotor Diameter\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eOptimize your mountain biking, cyclocross, or gravel cycling setup with the Hayes Post Disc Brake Adaptor, engineered for reliable performance and compatibility across a wide range of disc brake systems. Designed for use with over 2000 Hayes 74mm eye-to-eye calipers, this high-quality adaptor ensures seamless integration for enhanced stopping power and precise modulation.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eConstructed from durable, lightweight metal alloy, this adapter features a sleek black finish that withstands the rigors of aggressive riding and harsh environments. Its robust build guarantees longevity and consistent performance season after season.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eEngineered to meet strict international standards, the Hayes Post Disc Brake Adaptor facilitates secure mounting of post mount calipers to your fork or frame. Compatible with 51mm IS tabs, it ensures precise alignment and optimal brake pad contact for superior braking leverage. The adaptor's design supports both 200mm front and 180mm rear rotors, delivering increased braking torque and heat dissipation essential for demanding rides.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eThe adaptor includes all necessary mounting bolts for straightforward installation, saving time and effort. Its 'smart' part number-Hayes ID stamped onto the bracket-facilitates easy identification and compatibility checks. The model features a 40mm extension (+40mm) to accommodate larger rotor sizes, improving brake performance and control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eWith its clean black aesthetic, this Hayes adaptor complements any bike's look, from aggressive mountain bikes to endurance road bikes. Its versatile design caters to downhill, trail riding, and cyclocross disciplines, providing dependable braking even in challenging conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eCompatible with a variety of fork and frame configurations-including Fox 36\/40 thru-axle forks, Rock Shox Pike Maxle, and Psylo Tullio axle forks-via IS-QR adapters, this product offers unmatched versatility. The inclusion of mounting bolts streamlines installation, while its precise engineering ensures optimal caliper positioning for maximum stopping power.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eChoose the Hayes Post Disc Brake Adaptor for a reliable, high-performance upgrade that enhances your bike's braking system, improves safety, and delivers confidence on every ride. Perfect for riders seeking durability, compatibility, and top-tier engineering in their disc brake setup.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eSpecifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Brake Caliper Type: Post Mount\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Rotor Size: Front 200mm \/ Rear 180mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Mounting Standards: IS (51mm tabs), QR, Thru-Axle\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Color: Black\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Weight: 24 grams\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Model Name: 33\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003e- Includes: Mounting bolts for easy installation\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003eEnhance your braking system today with the Hayes Post Disc Brake Adaptor-designed for riders who demand precision, durability, and seamless compatibility.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eOptimized for both front and rear disc brake setups, this Hayes Post Disc Brake Adaptor is compatible with 200mm front and 180mm rear rotor diameters for versatile mountain biking and trail riding performance. \u003c\/li\u003e\n\u003cli\u003eConstructed from durable, high-strength materials designed to withstand rugged off-road conditions, ensuring long-lasting performance and reliable braking power. \u003c\/li\u003e\n\u003cli\u003eEngineered to fit Hayes 74mm eye-to-eye calipers with IS 51mm standard mounts, featuring quick-release (QR), thru-axle (TA), and international standard (IS) tabs for seamless integration with a wide range of bike forks and frames. \u003c\/li\u003e\n\u003cli\u003eDesigned in a sleek black finish, this front\/post mount brake adaptor adds a clean aesthetic while supporting high-performance braking during aggressive descents and technical climbs. \u003c\/li\u003e\n\u003cli\u003eIncludes all necessary mounting bolts for easy installation, making it an ideal upgrade for mountain bikes requiring precise compatibility with Hayes disc brake systems and optimized rotor sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Hayes","offers":[{"title":"Default Title","offer_id":42356454850627,"sku":"BR3944","price":21.66,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BR3944.jpg?v=1779311979","url":"https:\/\/365cycles.com\/products\/hayes-33-disc-brake-adaptor-mountain-bike-downhill-bike-fat-bike-hardtail-bike-gravel-bike-cyclocross-bike-br3944","provider":"365 Cycles","version":"1.0","type":"link"}