{"product_id":"hope-rx4-dot-type-disc-brake-caliper-disc-brake-caliper-road-bike-dbcp0212-disc-brake-calipers","title":"Hope RX4+ Flat Mount Rear Disc Brake Caliper - 4-Piston Hydraulic DOT Chromoly Aluminum, Lightweight Stiff Monobloc Design, Compatible with 140-180mm Rotors","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your bike's braking performance with the Hope RX4+ Disc Brake Caliper - Flat Mount Rear (+20mm) | DOT Fluid, Red. Engineered for precision, power, and reliability, this high-performance caliper is ideal for road, cyclocross, and gravel enthusiasts seeking top-tier stopping power.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003e### Premium Materials \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from CNC machined 2014-T6 aluminum, the Hope RX4+ caliper combines high strength with lightweight design, ensuring durability without adding unnecessary weight. Its monobloc construction enhances stiffness, delivering consistent and predictable braking feel under intense riding conditions. The robust build resists flex and pad rub, providing a confident ride even on demanding terrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003e### Advanced Components \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned with a slimline 4-piston layout, the RX4+ offers powerful and reliable braking performance for demanding riders. The hydraulic system uses DOT brake fluid, which provides superior temperature stability and fade resistance, ensuring consistent stopping power in wet or dry conditions. Fully serviceable, this caliper extends its lifespan, featuring easy top entry pad installation and removal for quick maintenance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003e### Style \u0026amp; Versatility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThe eye-catching Red finish adds a bold, aggressive look to any bike setup. Featuring a Flat Mount design, the RX4+ rear caliper ensures compatibility with a wide range of modern frame geometries. It accommodates 140mm, 160mm, and 180mm rotors, making it versatile for various riding styles from fast-paced road racing to cyclocross adventures.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e### Innovative Features \u0026amp; Differentiators\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Monobloc CNC Machined Design: Ensures maximum stiffness and consistent modulation.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Slimline 4-Piston Setup: Delivers both high power and precise control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Fully Serviceable: For extended longevity and easy maintenance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Top Entry Pad Fitting: Facilitates swift pad replacement.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Versatile Compatibility: Fits multiple rotor sizes to suit your riding needs.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e### Specifications:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Brake Lever Actuation: Hydraulic\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Caliper Type: Flat Mount rear\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Rotor Compatibility: 140mm, 160mm, 180mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Color: Red\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Hydraulic Fluid: DOT\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Includes Rotor: No\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003eTransform your braking system with the Hope RX4+ Hydraulic Disc Caliper-designed for advanced riders who demand the best in modulation, power, and durability. Whether you're racing cyclocross, tackling challenging gravel roads, or pushing your limits on the road, this caliper delivers confident, fade-resistant stopping power every time.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance monobloc design ensures increased stiffness for precise modulation and consistent braking response on road and cyclocross bikes. \u003c\/li\u003e\n\u003cli\u003eLightweight yet durable construction utilizing CNC-machined 2014-T6 aluminum delivers excellent strength-to-weight ratio, reducing rider fatigue without sacrificing power. \u003c\/li\u003e\n\u003cli\u003eCompatible with 140mm, 160mm, and 180mm rotors, making it a versatile choice for various seating positions and wheel sizes across multiple riding disciplines. \u003c\/li\u003e\n\u003cli\u003eAdvanced hydraulic DOT fluid technology provides reliable, fade-free braking performance in all weather conditions, ideal for mountain, gravel, cyclocross, and road use. \u003c\/li\u003e\n\u003cli\u003eSleek red anodized finish and fully serviceable design with top entry pad fitting facilitate quick installation, easy maintenance, and long-term durability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Hope","offers":[{"title":"Default Title","offer_id":42203440349251,"sku":"DBCP0212","price":138.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/BR3873.jpg?v=1773741658","url":"https:\/\/365cycles.com\/products\/hope-rx4-dot-type-disc-brake-caliper-disc-brake-caliper-road-bike-dbcp0212-disc-brake-calipers","provider":"365 Cycles","version":"1.0","type":"link"}