{"product_id":"hope-rx4-shimano-disc-brake-caliper-cyclocross-bike-road-bike-dbcp0147-disc-brake-calipers","title":"Hope RX4+ Flat Mount Hydraulic Disc Brake Caliper - Lightweight 4-Piston, Mineral Oil, Aluminum, Cyclocross \u0026 Road Cycling Performance","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eEnhance your bicycle braking performance with the Hope RX4+ Disc Brake Caliper - a high-performance, lightweight hydraulic caliper designed for serious road cyclists and cyclocross enthusiasts. Engineered with precision and innovation, this flat mount brake caliper combines a sleek profile with powerful stopping capabilities, ensuring reliable control across a variety of riding conditions.\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 high-quality 2014-T6 aluminum, the Hope RX4+ boasts exceptional strength-to-weight ratio, delivering durability and rigidity without added weight. Its monobloc design ensures a stiffer caliper structure, minimizing lever mush and providing consistent braking response. The mineral oil hydraulic system guarantees smooth actuation and is fully serviceable, extending the caliper's lifespan.\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\u003eDesigned with 25 years of hydraulic brake expertise, the RX4+ offers a slimline 4-piston configuration for reliable, powerful braking performance. Its optimized caliper size and top-entry pad fitting enable quick pad installation and maintenance, making it ideal for competitive racing and demanding riding scenarios. The versatile fitment accommodates 140mm, 160mm, and 180mm rotors, supporting various wheel and frame setups for an adaptable braking solution.\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\u003eThis flat mount brake caliper features a monobloc design for enhanced stiffness and reduced brake pad rub, ensuring a smooth, responsive ride. The use of mineral oil as hydraulic fluid provides a safer, environmentally friendly, and maintenance-friendly operation. Please note, rotors and adapters are sold separately, allowing customization based on your specific riding needs.\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 a sleek black finish, the Hope RX4+ disc brake caliper seamlessly integrates into any high-performance road or cyclocross build. Its compact profile and advanced engineering make it the perfect choice for riders seeking a lightweight, reliable braking system capable of tackling steep descents, technical sections, and everyday riding. This caliper pairs flawlessly with compatible road shift\/brake levers (such as specific Shimano and SRAM models), offering seamless integration into your existing setup.\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 construction for maximum stiffness and minimal flex\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Slimline 4-piston caliper for increased power and modulation\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Top-entry pad fitting for easy maintenance and quick pad changes\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Versatile fitment supporting multiple rotor sizes (140, 160, 180mm)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Fully serviceable design enhances longevity\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Mineral oil hydraulic system delivers smooth, consistent braking performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eUpgrade your bike's braking system with the Hope RX4+ Flat Mount Disc Brake Caliper - engineered for precision, durability, and superior stopping power. Whether conquering cyclocross courses or riding demanding street descents, this caliper is your reliable partner for high-performance cycling.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance 4-piston hydraulic disc brake caliper featuring a compact and lightweight monobloc design, engineered for precise, fade-free braking in road and cyclocross riding conditions. \u003c\/li\u003e\n\u003cli\u003eConstructed from durable, CNC-machined 2014-T6 aluminum, this caliper offers exceptional strength-to-weight ratio, ensuring reliable stopping power without added weight-ideal for competitive cycling and rigorous training. \u003c\/li\u003e\n\u003cli\u003eCompatible with flat mount brake systems and versatile for 140mm, 160mm, and 180mm rotors, the RX4+ provides flexible installation options for front or rear performance setups, optimized for both road cycling and cyclocross races. \u003c\/li\u003e\n\u003cli\u003eIncludes top entry pad fittings for quick and easy pad replacement, alongside hose fittings-rotors and adapters sold separately-making maintenance and setup straightforward and efficient. \u003c\/li\u003e\n\u003cli\u003eDesigned with innovative engineering and modern technology, the Hope RX4+ Caliper leverages mineral oil hydraulics for clean, consistent performance, blending style and functionality with a sleek black finish suitable for high-end bike builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Hope","offers":[{"title":"Default Title","offer_id":42205256024131,"sku":"DBCP0147","price":147.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/HT4080.jpg?v=1779330333","url":"https:\/\/365cycles.com\/products\/hope-rx4-shimano-disc-brake-caliper-cyclocross-bike-road-bike-dbcp0147-disc-brake-calipers","provider":"365 Cycles","version":"1.0","type":"link"}