{"product_id":"hope-rx4-mineral-oil-type-disc-brake-caliper-disc-brake-caliper-road-bike-dbcp0230-disc-brake-calipers","title":"Hope RX4+ Rear Hydraulic Disc Brake Caliper - Flat Mount, 4-Piston, CNC Machined Aluminum, Mineral Oil, Purple, Lightweight Performance \u0026 Versatile Use","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your cycling performance with the Hope RX4+ Disc Brake Caliper - Rear Flat Mount, +20mm Offset, Mineral Oil, Purple. Engineered for precision, durability, and style, this high-performance hydraulic disc brake caliper is the ideal choice for road, cyclocross, and gravel bikes seeking reliable stopping power and superior modulation.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eCrafted from CNC-machined 2014-T6 aluminum, the Hope RX4+ features a monobloc design that ensures exceptional stiffness and structural integrity. The lightweight, slimline 4-piston configuration delivers powerful braking without added weight, making it perfect for demanding cycling disciplines. The caliper's vibrant purple anodized finish not only enhances aesthetics but also provides corrosion resistance for long-lasting performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eBuilt on 25 years of hydraulic brake expertise, the RX4+ offers unrivaled feel and modulation, giving riders confident control in all conditions. The monobloc design minimizes lever fuzzy feel and pad rub, ensuring consistent braking performance. Designed for versatility, it fits 140mm, 160mm, and 180mm rotors, making it adaptable to various riding styles and frame configurations.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eEquipped with mineral oil hydraulic fluid, the RX4+ caliper provides smooth, progressive actuation with easy maintenance. The top-entry pad fitting simplifies installation and pad replacement, saving time during routine service. Fully serviceable, the caliper extends its lifespan through easy replacement of worn components, ensuring sustained high performance over time.\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\u003eAvailable in a striking purple finish, the Hope RX4+ adds a touch of style to your bike. Its rear flat mount design (+20mm offset) offers compatibility with modern frame standards, making it suitable for road, cyclocross, and gravel bikes. Whether you're racing, commuting, or tackling rough terrain, this caliper delivers reliable stopping power with a sleek, minimalist aesthetic.\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 CNC-machined for maximum stiffness and consistent feel\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Slimline four-piston design for high power-to-weight ratio\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Fully serviceable for extended lifespan\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Compatible with a range of rotor sizes (140mm, 160mm, 180mm)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Mineral oil hydraulic system for clean, safe maintenance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Easy top-entry pad installation for quick setup\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eEnhance your bike's braking performance with the Hope RX4+ Disc Brake Caliper, a perfect blend of engineering excellence, premium materials, and innovative features designed for serious cyclists. Dominate descents, conquer rough terrain, and enjoy precise, modulation-rich braking every ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-precision monobloc CNC machined design ensures maximum stiffness and minimal brake lever fuzzy feel for superior modulation and control. \u003c\/li\u003e\n\u003cli\u003eConstructed from lightweight, high-strength 2014-T6 aluminum alloy, this caliper delivers exceptional durability and strength while reducing overall weight for competitive cycling performance.\u003c\/li\u003e\n\u003cli\u003eEquipped with versatile flat mount compatibility for 140mm, 160mm, and 180mm rotor sizes, making it ideal for road, gravel, and cyclocross bikes to enhance braking power across diverse terrains.\u003c\/li\u003e\n\u003cli\u003eUtilizes mineral oil hydraulic fluid for cleaner, quieter operation and easier maintenance, with fully serviceable components designed to extend the caliper's lifespan and ensure consistent performance.\u003c\/li\u003e\n\u003cli\u003eSleek purple anodized finish combined with a slimline 4-piston design offers a stylish aesthetic and reliable, powerful braking for both race-ready and recreational cycling applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Hope","offers":[{"title":"Default Title","offer_id":42201902645315,"sku":"DBCP0230","price":146.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BR1353.jpg?v=1773395763","url":"https:\/\/365cycles.com\/products\/hope-rx4-mineral-oil-type-disc-brake-caliper-disc-brake-caliper-road-bike-dbcp0230-disc-brake-calipers","provider":"365 Cycles","version":"1.0","type":"link"}