{"product_id":"hope-rx4-sram-disc-brake-caliper-road-bike-dbcp0210-disc-brake-calipers","title":"Hope RX4+ Flat Mount Hydraulic Disc Brake Caliper - Lightweight 4-Piston Aluminum, DOT Fluid, Rear +20mm for Road \u0026 Cyclocross","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your bicycle's braking performance with the Hope RX4+ Disc Brake Caliper - Rear, Flat Mount, +20mm, DOT Type in Sleek Silver. Engineered for high-performance road, cyclocross, and gravel biking, this premium caliper combines innovative design, advanced materials, and cutting-edge technology for reliable, powerful stopping power in various riding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from CNC-machined 2014-T6 aluminum, the Hope RX4+ caliper offers superior strength-to-weight ratio, ensuring durability and lightweight performance. Its monobloc design enhances stiffness, minimizing brake flex and delivering a more responsive, consistent brake feel. The high-quality materials and precision engineering ensure long-lasting operation, whether tackling rough terrains or urban commuting.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Components\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eThis 4-piston hydraulic caliper provides optimal braking force with a slimline, lightweight profile ideal for competitive road cycling, cyclocross, and gravel adventures. Its fully serviceable design allows for extended caliper lifespan and easy maintenance. The top entry pad fitting simplifies installation and pad replacement, saving time during tune-ups or quick field repairs.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eTechnology \u0026amp; Compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eDesigned to accommodate 140mm, 160mm, and 180mm rotors, the RX4+ delivers versatile braking power suited for various wheel sizes and setups. It features DOT fluid technology, with bore caps marked \"D\" for easy identification. Note that rotors and adapters are sold separately, making it compatible with a wide range of wheel and brake system configurations.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eWith its sleek silver finish, the Hope RX4+ caliper adds a modern aesthetic to any bike. Its flat mount design ensures clean, integrated installation on road, cyclocross, and gravel bikes. The caliper's compact profile reduces weight without compromising braking performance, making it ideal for riders seeking precise control and understated style.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Monobloc construction for increased stiffness and reduced lever fuzzy feel\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Slimline 4-piston design for consistent, powerful braking performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- CNC-machined from high-grade aluminum for strength and weight savings\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Fully serviceable for extended lifespan and maintenance ease\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Top entry pad installation for quick and effortless setup\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Versatile compatibility with multiple rotor sizes (140mm, 160mm, 180mm)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- DOT fluid technology for reliable hydraulic performance in diverse riding conditions\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003eSpecifications\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Hydraulic brake actuation for smooth, consistent braking\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Flat Mount rear caliper, +20mm offset for optimal clearance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003e- Compatible with road and cyclocross levers (specific Shimano and SRAM options available)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003e- Silver color enhances bike aesthetics and cleanliness\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-23\"\u003e\u003cp\u003e- Separate rotors required (not included)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-24\"\u003e\u003cp\u003eElevate your bike's braking system with the Hope RX4+ Disc Brake Caliper - the perfect choice for riders demanding exceptional stopping power, durability, and style. Whether tackling technical cyclocross courses or demanding gravel adventures, this caliper is engineered to keep you confident and in control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eOptimized for lightweight performance and durability, the Hope RX4+ Disc Brake Caliper features a monobloc design crafted from high-strength 2014-T6 aluminum, ensuring precise and reliable braking power. \u003c\/li\u003e\n\u003cli\u003eDesigned for flat mount rear installation with +20mm offset, this caliper delivers compatibility with 140mm, 160mm, and 180mm rotors for versatile mountain and cyclocross use cases. \u003c\/li\u003e\n\u003cli\u003eEquipped with a slimline 4-piston configuration, it provides consistent modulation and powerful stopping force suitable for demanding trail rides or cyclocross races, enhancing rider confidence in all conditions. \u003c\/li\u003e\n\u003cli\u003eFeatures top entry pad fitting for quick and hassle-free maintenance, combined with a fully serviceable design that extends the caliper's lifespan and maintains optimal performance over time. \u003c\/li\u003e\n\u003cli\u003eManufactured with CNC-machined precision from lightweight aluminum, the Hope RX4+ Caliper offers a sleek, modern aesthetic in silver, ideal for riders seeking premium components with innovative engineering for enhanced braking control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Hope","offers":[{"title":"Default Title","offer_id":42203440513091,"sku":"DBCP0210","price":138.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BR3874.jpg?v=1778884482","url":"https:\/\/365cycles.com\/products\/hope-rx4-sram-disc-brake-caliper-road-bike-dbcp0210-disc-brake-calipers","provider":"365 Cycles","version":"1.0","type":"link"}