{"product_id":"hope-rx4-dot-type-disc-brake-caliper-disc-brake-caliper-road-bike-dbcp0207-disc-brake-calipers","title":"Hope RX4+ Flat Mount Rear Hydraulic Disc Brake Caliper - Monobloc 4-Piston, DOT Fluid, Lightweight Aluminum, for Road \u0026 Cyclocross Bikes","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your bike's stopping power with the Hope RX4+ Disc Brake Caliper - Flat Mount Rear (+20mm, DOT Type, Blue), a top-tier hydraulic braking component engineered for precision, durability, and performance. Designed for road cyclists and cyclocross riders seeking reliable modulation and powerful braking, this caliper integrates innovative features with high-quality materials for optimal control on every ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Build Quality:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from CNC-machined 2014-T6 aluminum, the Hope RX4+ caliper offers a perfect balance of high strength and lightweight performance. Its monobloc design enhances stiffness and responsiveness, minimizing brake fluid lockup and ensuring consistent feel. The high-precision machining guarantees smooth operation and durability under rigorous riding conditions.\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+ delivers exceptional modulation and power thanks to its slimline 4-piston design. Its fully serviceable architecture extends the caliper's lifespan-allowing easy maintenance and pad replacement-making it a reliable choice for long-term use. The caliper's flat mount configuration provides a clean, aerodynamic look and easy installation compatible with modern bike frames.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eTechnology \u0026amp; Components:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eEquipped with DOT fluid technology, this brake caliper provides superior heat management and consistent braking performance in diverse conditions. The top-entry pad fitting simplifies installation and maintenance, reducing service time. Compatible with 140mm, 160mm, and 180mm rotors, it offers versatility for a wide range of cycling disciplines, from road racing to cyclocross.\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\u003eFinished in a sleek blue color, the Hope RX4+ makes a bold aesthetic statement while delivering peak performance. Its rear positioning makes it ideal for aggressive riding styles, providing reliable stopping power on descents and technical sections. Whether upgrading a gravel bike, cyclocross rig, or road bike, this caliper's precision engineering ensures confident braking across varied terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative Features \u0026amp; Differentiators:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Monobloc design for increased stiffness, reducing lever fuzzy feel and pad rub\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Slimline 4-piston architecture for powerful, reliable braking\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Fully serviceable for extended component lifespan\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Compatible with multiple rotor sizes for versatile use\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Top-entry pad fitting for quick, hassle-free maintenance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eOptimize your bike's braking system with the Hope RX4+ Disc Brake Caliper - engineered for cyclists who demand exceptional control, durability, and style. Whether racing, commuting, or tackling challenging trails, experience the difference that high-quality materials and innovative design can make in your ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance monobloc design ensures exceptional front-rear stiffness for precise modulation and consistent braking feel on road and cyclocross bikes. \u003c\/li\u003e\n\u003cli\u003eConstructed from lightweight, CNC-machined 2014-T6 aluminum, offering a perfect balance of high strength, corrosion resistance, and weight savings for demanding riding conditions. \u003c\/li\u003e\n\u003cli\u003eCompatible with 140mm, 160mm, and 180mm rotors, this versatile flat mount caliper provides powerful, reliable hydraulic braking suitable for various disc brake setups and disciplines. \u003c\/li\u003e\n\u003cli\u003eDesigned for easy maintenance and extended longevity with fully serviceable components, plus top entry pad fitting for quick installation and pad changes in all riding situations. \u003c\/li\u003e\n\u003cli\u003eEquipped with DOT-type fluid system featuring bore caps with \"D\" markings, ensuring high-quality, consistent performance with optimal modulation and braking power in all weather conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Hope","offers":[{"title":"Default Title","offer_id":42203439726659,"sku":"DBCP0207","price":142.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BR3870.jpg?v=1773740712","url":"https:\/\/365cycles.com\/products\/hope-rx4-dot-type-disc-brake-caliper-disc-brake-caliper-road-bike-dbcp0207-disc-brake-calipers","provider":"365 Cycles","version":"1.0","type":"link"}