Hope HBSPC74C Hydraulic Flat-Mount Disc Brake Caliper

Actuation Hydraulic
Brake Fluid DOT
Mount Type Flat-Mount
Position Back
Pistons 4
Compatible Brake Pad Styles Hope V4
Resin Pads Only No
Brand Hope
Model Number HBSPC74C
UPC 5056454902167
Color Orange
ebike-Friendly?
Weight Unknown
Intended Use

Click to see all known products that are interchangeable with this product. For disc brake calipers we use pad's mount type, actuation, and brake fluid type (if hydraulic) to narrow the selection to interchangeable parts. Other factors like weight, brand, and price are not relevant to compatibility. This is designed to help you quickly find replacement parts that will fit.


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The Hope RX4+ disc brake caliper is the culmination of over two decades of Hope Technology's expertise in hydraulic brake design, tailored for road and cyclocross bicycles with drop bars. This caliper is a monobloc construction, precision CNC machined from a single block of 2014-T6 aluminum, which enhances its stiffness and provides a solid, responsive feel at the lever.

The slimline 4-piston configuration is not just lightweight but also delivers a powerful and reliable braking force, ensuring superior modulation and control. Its CNC machining ensures not only high strength but also a reduction in weight, making it an efficient upgrade for performance-oriented riders.

This caliper is fully serviceable, designed with longevity in mind, and aims to ensure an extended lifecycle of the product. One of the user-friendly features includes top entry pad fitting, which simplifies the process of pad removal and installation, saving time during maintenance or mid-ride adjustments.

The RX4+ is designed to be compatible with DOT fluid systems, characterized by the 'D' on the bore caps, and fits post mount setups common on many modern frames and forks. It is versatile enough to accommodate rotor sizes of 140, 160, and 180mm, allowing cyclists to choose their preferred rotor size based on their specific performance needs and bike compatibility.

Overall, the Hope RX4+ post mount caliper is an excellent choice for cyclists seeking a high-quality, performance-oriented brake caliper that offers precise braking control and the benefits of a meticulously machined lightweight design.

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