SRAM Rival HRD Caliper
SRAM

SRAM Rival HRD Caliper

$120.00
In Stock

SRAM Rival HRD flat-mount disc brake caliper — assembled (no hose) and supplied with pads. Direct replacement for Rival22/Rival1 road hydraulic systems; ready to mount front or rear.

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Product Details

Overview & Technology

SRAM Rival HRD Caliper is a purpose-built flat-mount road disc caliper designed as a direct replacement for Rival22 and Rival1 hydraulic brake systems (SRAM ID: DB-SPP-A0, MPN: 11.5018.041.000). The caliper ships assembled and includes brake pads — all you need to attach the caliper to a flat-mount frame or fork and finish the hose/bleed work. The caliper features a lightweight, precision-machined aluminum body with a sealed piston assembly and low-drag pad carriers to deliver consistent modulation and braking power on the road. Sealed internals and serviceable pad hardware help keep contaminants out while making routine maintenance straightforward.

Key Features & Benefits

Everything you need for a clean swap: this assembly arrives with pads installed, mounting hardware compatible with flat-mount frames, and a compact profile suited to modern road disc setups. The package is optimized for everyday road riding, gravel commutes, and fast group rides where predictable feel is essential. • Flat-mount design — low-profile installation front or rear • Includes brake pads — saves a step during replacement or service • Lightweight aluminum body — stiffness for consistent lever feel • Sealed pistons and pad carriers — improved contamination resistance and simplified maintenance

Fit, Installation & Compatibility

This caliper is a direct fit for SRAM Rival22 and Rival1 hydraulic systems and uses flat-mount frame/fork fittings. It is sold assembled without a hose, so you will need to attach and cut the appropriate SRAM-compatible hose, route it through your frame, and perform a full bleed. Check wheel clearance for the rotor size you intend to use — the caliper is compatible with common road rotor sizes but rotor spacing and bike frame geometry determine final fit. Important installation notes: follow SRAM service procedures for routing, hose attachment, and bleeding using the hydraulic fluid specified by SRAM for your levers. Use proper torque on flat-mount bolts and test brake engagement before riding. Shipping dims: 3" x 2.7" x 2.5"; weight: 0.25 lb (packaged).

Who This Caliper Is For

This caliper is ideal for road riders and gravel commuters running SRAM Rival22 or Rival1 hydraulic groups who need a reliable replacement or spare caliper. It's a solid choice for mechanics and home-wrenchers who want a drop-in, serviceable unit that keeps ride feel consistent without swapping to a different brake platform. If you maintain multiple bikes or often ride in wet, muddy, or variable conditions, the sealed design and straightforward pad servicing make this caliper a practical, long-term service part to keep on hand.

Key Features

  • ✓ Direct replacement for SRAM Rival22 and Rival1 hydraulic systems
  • ✓ Flat-mount design fits modern road frames and forks
  • ✓ Ships assembled with brake pads included for fast installation
  • ✓ Lightweight machined aluminum body for consistent lever feel
  • ✓ Sealed piston assembly resists contamination and eases servicing
  • ✓ Compatible with common road rotor sizes; verify frame clearance
  • ✓ Requires hose attachment and full bleed after installation

Specifications

Misc Flat mount

Product Identifiers

Vendor Item # 11.5018.041.000
UPC 710845785504

Frequently Asked Questions

Is this caliper compatible with my Rival22 brake lever?

Yes — this Rival HRD caliper is intended as a direct replacement for SRAM Rival22 and Rival1 hydraulic systems. It uses the same mounting interface and hydraulic push ratio, but you must attach a hose and perform a full bleed to complete the installation.

Does the caliper come with brake pads?

Yes — the assembly includes brake pads installed. Pads will generally be the industry-standard compound chosen by SRAM for this model; you can upgrade to different pad compounds later depending on your preferred bite and longevity.

Do I need a bleed or special tools to install this?

You will need to attach a compatible hose and perform a full system bleed after installation. Use the SRAM-recommended bleed kit and follow the manufacturer's bleeding procedure. Basic tools for flat-mount bolts, hose cutting, and pad bed-in will also be required.

What rotor sizes work with this caliper?

The caliper accepts standard road disc rotor sizes, but final compatibility depends on your frame/fork mounts and adapter requirements. Confirm rotor clearance on your bike and use the correct flat-mount adapter or spacer if your setup requires it.

Can I use this caliper on both front and rear?

Yes — the Rival HRD flat-mount caliper is suitable for either front or rear installation on frames and forks that use flat-mount fittings. Ensure hose length, routing, and bleed procedure are adjusted appropriately for the chosen position.

What maintenance should I expect?

Routine maintenance includes pad inspection and replacement, checking piston movement and cleanliness, and periodic bleeding of the hydraulic system as recommended by SRAM. The caliper’s sealed piston design reduces contamination but doesn’t eliminate the need for regular service.

Buying Guide

When replacing a road disc caliper, prioritize platform compatibility, mounting standard, and whether the caliper arrives with pads installed. For SRAM Rival HRD units, confirm your levers (Rival22/Rival1) match the caliper’s specifications and plan to attach a hose and bleed the system after fitment. Also consider pad compound and rotor compatibility. If you frequently ride wet or mixed-surface routes, choose durable pads and rotors with good heat dissipation. Finally, stock a bleed kit and spare pads to keep your brakes performing reliably between services.

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