Calipers

Harley-Davidson Brake Calipers & Performance Brake Upgrades

Upgrade your Harley-Davidson braking system with premium aftermarket brake calipers from Get Lowered Cycles. Whether you're building a performance bagger, upgrading a Dyna or FXR, or customizing your M8 Softail, we carry a selection of high-performance front and rear brake calipers from leading manufacturers including Brembo, Kraus, Arlen Ness, and Performance Machine.

From direct-fit replacement calipers to advanced radial brake conversions, our selection includes options for riders looking to improve brake feel, modulation, thermal performance, and appearance. The right braking system depends on your motorcycle, riding style, and existing components.

Brembo Brake Calipers for Harley-Davidson

Brembo brake calipers are a popular choice for high-performance Harley-Davidson builds. Known for their racing heritage and precision engineering, Brembo offers multiple caliper designs with different piston configurations, construction methods, and performance characteristics.

Some of our most popular Brembo upgrades include:

• Brembo M4 Black Radial Calipers - Our best-selling Brembo calipers feature rigid cast aluminum monoblock construction, four 34mm pistons, and 108mm radial mounting centers. Available individually or as a matching pair.
• Brembo GP4-RS Titanium Grey Calipers - Racing-inspired monoblock calipers featuring four 30mm pistons and integrated cooling fins designed to help manage braking temperatures.
• Brembo GP4-RX Nickel Plated Calipers - Premium two-piece CNC-machined billet aluminum calipers with four 32mm pistons and a distinctive nickel finish.
• Brembo .484 Cafe Calipers - High-end CNC billet aluminum calipers featuring four 32mm pistons and a distinctive anthracite black finish.

These Brembo calipers use 108mm radial mounting configurations, but they are not universal bolt-on replacements for every Harley-Davidson motorcycle. Compatible mounting brackets, rotors, hydraulic components, and installation hardware must be verified before ordering.

Axial vs. Radial Brake Calipers

One of the most important considerations when upgrading motorcycle brakes is the caliper mounting configuration.

Axial Mount Brake Calipers

Axial calipers use mounting bolts oriented parallel to the wheel axle. Many factory Harley-Davidson front brake systems utilize this style of mounting arrangement. Aftermarket axial calipers may offer improved construction, piston configurations, or appearance while retaining a compatible factory-style mounting arrangement.

Radial Mount Brake Calipers

Radial calipers use mounting bolts oriented approximately along the radius of the brake rotor. This configuration is commonly found on high-performance motorcycles and aftermarket brake conversion systems.

Radial mounting can provide a rigid caliper mounting arrangement and allows manufacturers to develop performance-focused caliper designs. However, overall braking performance depends on the entire system, not mounting style alone.

Many Harley-Davidson motorcycles require aftermarket radial caliper mounting brackets to accommodate Brembo M4, GP4, and other radial brake calipers.

Complete Harley-Davidson Brake Conversion Kits

Upgrading to premium radial calipers frequently requires more than replacing the original calipers. Depending on your motorcycle, you may need larger rotors, radial mounting brackets, caliper spacers, brake lines, and a compatible master cylinder.

For riders looking for a more complete solution, the Original Garage 13" Complete Radial Big Brake Kit combines Brembo M4 calipers with oversized rotors, radial mounting brackets, and installation hardware for specified Harley Dyna and M8 Softail applications.

This type of package can simplify component selection compared with purchasing calipers and mounting components individually. Additional brake lines and other installation parts may still be required.

Explore our full selection of Harley brake conversion kits for additional upgrade options.

Choosing the Right Brake Calipers for Your Harley

Before purchasing aftermarket brake calipers, consider the following factors:

• Motorcycle Fitment: Verify your Harley-Davidson's year, model, front suspension, wheel configuration, and existing brake system.
• Mounting Configuration: Confirm whether your installation uses axial or radial mounting and whether conversion brackets are required.
• Mounting Bolt Spacing: Radial calipers are available with different mounting dimensions, including 100mm and 108mm configurations. These are not directly interchangeable.
• Brake Rotor Compatibility: Check rotor diameter, thickness, offset, and alignment with the selected caliper.
• Master Cylinder Compatibility: Caliper piston area and hydraulic requirements must be matched to an appropriate master cylinder.
• Single vs. Dual Calipers: Verify whether the product is sold individually or as a pair and whether the configuration matches your motorcycle.
• ABS Compatibility: Motorcycles equipped with ABS require additional verification of hydraulic system compatibility.

Popular Harley Brake Caliper Brands

Brembo: Premium performance brake calipers featuring monoblock and CNC billet aluminum construction, advanced piston designs, and racing-derived technology.

Kraus Motor Co.: Performance-focused radial brake components and calipers popular in custom Harley-Davidson builds.

Arlen Ness: Custom brake calipers available in a variety of finishes and configurations for specified Harley-Davidson applications.

Performance Machine: Premium aftermarket brake calipers with precision-machined construction and custom styling for compatible motorcycles.

Frequently Asked Questions

What are the best brake calipers for a Harley-Davidson?

The best calipers depend on your motorcycle, braking requirements, budget, and installation configuration. Brembo M4 calipers are a strong option for riders building a premium radial braking system, while direct-fit aftermarket calipers may be more appropriate for simpler installations.

Will Brembo calipers bolt directly onto my Harley?

Not necessarily. Most Brembo aftermarket radial calipers require compatible mounting brackets or a front suspension system designed for their mounting dimensions. Rotor alignment, wheel clearance, and hydraulic compatibility must also be confirmed.

Are four-piston calipers better than six-piston calipers?

Piston count alone does not determine braking performance. Caliper rigidity, piston area, brake pad compound, rotor dimensions, master cylinder sizing, and the complete hydraulic system all influence braking characteristics.

Do I need a new master cylinder when upgrading brake calipers?

Not always, but compatibility must be verified. Changing caliper piston area can affect hydraulic leverage, lever travel, and braking feel. Some conversions require a different master cylinder to operate correctly.

Can I install aftermarket brake calipers on an ABS-equipped Harley?

Some aftermarket brake systems can be used with compatible ABS-equipped motorcycles. However, compatibility depends on the exact motorcycle, hydraulic configuration, and manufacturer requirements. Always verify before installation.

Shop Harley Brake Calipers at Get Lowered Cycles

Whether you're upgrading a performance bagger, building a custom FXR, or improving the braking system on your Dyna or Softail, Get Lowered Cycles carries a selection of premium brake calipers and performance components.

Browse our Brembo collection or explore additional Harley-Davidson brake parts to complete your braking system.

Need help confirming fitment? Contact Get Lowered Cycles at [email protected] with your year, model, front suspension, wheel configuration, and current brake setup before ordering.