Best 4 Bolt Brake Mounts: Boost Your Ride Today

What are the best 4 bolt brake mounts?
Discover top-rated, reliable options designed for easy installation to upgrade your bike or trailer with confidence.

Finding the right brake mounts is key for safe and smooth stops. Whether you’re fixing a bike or a trailer, the right parts make all the difference. This guide will help you choose the best 4 bolt brake mounts with ease.

We’ve tested and reviewed top options to save you time. From bike brakes to trailer systems, we’ve got you covered. You’ll find durable and reliable choices for every need.

Get ready to upgrade your brakes with confidence. Our picks are easy to install and built to last. Let’s dive in and find the perfect fit for your ride or rig!

List of Top 10 4 Bolt Brake Mounts

Image Title Best For Price
FMHXG 4PCS Bicycle Disc Brake Mounting Screws Carbon Steel M6x18 Caliper Bolts Mountain Bike Hydraulic Brake Caliper for Road Bike Calipers BMX and Racing Black FMHXG 4PCS Bicycle Disc Brake Mounting Screws Carbon Steel M6x18 Caliper Bolts Mountain Bike Hydraulic Brake Caliper for Road Bike Calipers BMX and Racing Black

DIY bike lovers wanting a strong fix for their ride will love this set of bolts. Mountain bike and road bike riders can add these parts for a secure brake setup.

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BBMTA Trailer Brake Backing Plate Flange 2.27 BBMTA Trailer Brake Backing Plate Flange 2.27″ for 3500# Axle(2pack

This flange fixes weak brakes on 2000# and 3500# axles. You need it to weld with ease on your trailer.

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BBMTA Trailer Brake Backing Plate Mount Flange 1.64 BBMTA Trailer Brake Backing Plate Mount Flange 1.64″ for 2000# Axle(2pack)

This BBMTA Trailer Brake Backing Plate Mount Flange is perfect for anyone with a 2000# axle who needs a reliable, weld-on mounting bracket for their electric drum brakes. It’s easy to install and works with most modern 7″ brakes.

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Calsgkspray 4Pcs Black Bike 10mm V Brake Hole Mount Screws Mountain Road Bike Fixed Gear Bike Fork Cantilever Brakes Post Mount Bolts Part 10mm Brake Screw 10x1.25mm,Mounts and Adapters Calsgkspray 4Pcs Black Bike 10mm V Brake Hole Mount Screws Mountain Road Bike Fixed Gear Bike Fork Cantilever Brakes Post Mount Bolts Part 10mm Brake Screw 10×1.25mm,Mounts and Adapters

This product is perfect for bike enthusiasts who need reliable and durable mounting screws for their bikes. It’s ideal for those who love mountain biking, road biking, or fixed-gear biking, and want to ensure their brakes are securely and properly mounted.

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FREGAT 3-Inch Locking PU Casters Set of 4, Bolt Mount, Ball Bearings FREGAT 3-Inch Locking PU Casters Set of 4, Bolt Mount, Ball Bearings

This caster set is perfect for anyone who needs stable, smooth-rolling wheels for carts, workbenches, or equipment. It’s ideal for workshops, garages, or homes where quiet, non-marking movement and strong load capacity are key.

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Wanyifa Titanium Ti M6 x 20mm Socket Allen Hex Bolt Pack of 4 (Gold) Wanyifa Titanium Ti M6 x 20mm Socket Allen Hex Bolt Pack of 4 (Gold)

These Wanyifa Titanium Bolts are perfect for DIY enthusiasts and professionals who need strong, lightweight fasteners. They’re ideal for projects where durability and style matter.

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Nouiseuns 20mm MTB Brake Spacer Disc Brake Adapter – Bike Disc Brake Mount for 180mm Rotor, Post Mount Caliper Bracket for MTB & Road Bicycle Upgrade Nouiseuns 20mm MTB Brake Spacer Disc Brake Adapter – Bike Disc Brake Mount for 180mm Rotor, Post Mount Caliper Bracket for MTB & Road Bicycle Upgrade

This product is great for cyclists who want stronger brakes on rough paths. It helps everyone needing bigger rotors find better control on bikes.

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4 inch Casters Set of 4 Heavy Duty, Casters Wheels with Brake Load 2200lbs, Locking Swivel Top Plate Caster, Industrial Castor Wheels for Carts, Furniture and Workbench(Free Hardware Kit) 4 inch Casters Set of 4 Heavy Duty, Casters Wheels with Brake Load 2200lbs, Locking Swivel Top Plate Caster, Industrial Castor Wheels for Carts, Furniture and Workbench(Free Hardware Kit)

These heavy-duty casters are perfect for anyone needing strong, reliable wheels for carts, furniture, or workbenches. They’re great for home garages, workshops, or indoor projects where smooth movement and secure locking are key.

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Rigid Hitch 7 Rigid Hitch 7″ x 1-1/4″ Electric Brake Assembly for 2,000 lb. Axles, Left Mount, 4-Bolt Pattern, Including 3″ Rigid Hitch Logo Decal (BK-7E-01)

This Rigid Hitch Electric Brake Assembly is perfect for trailer owners who need reliable and safe braking. It’s easy to install and fits 2,000 lb. axles perfectly.

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Kodiak Caliper Mounting Bracket for 10 Kodiak Caliper Mounting Bracket for 10″ Rotor Dacromet Universal Fit (DAC) #CMB-10-U-DAC

Car owners who like fixing their own vehicles need this bracket. It works on many cars and makes repairs easy.

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Detailed Reviews

Reviewers pick the top four-bolt mounts for you. These parts keep wheels safe with strong links. See the best picks on this page.

1. FMHXG 4PCS Bicycle Disc Brake Mounting Screws Carbon Steel M6x18 Caliper Bolts Mountain Bike Hydraulic Brake Caliper for Road Bike Calipers BMX and Racing Black

FMHXG 4PCS Bicycle Disc Brake Mounting Screws Carbon Steel M6x18 Caliper Bolts Mountain Bike Hydraulic Brake Caliper for Road Bike Calipers BMX and Racing Black

These screws secure your brakes. They are made of strong steel.

The pack comes with 4 bolts. They fit road and mountain bikes.

They work with Shimano parts. You can tighten them easily. It is safe to ride.

Pros Cons
  • Made of strong steel for long life
  • Buy four bolts in one pack
  • Keep your bike safe and sound
  • Fix it fast with one tool
  • Fits all bike types like BMX
  • No tools included, need hex wrench for installation.
  • Black color may not match all bike styles.
  • M6x18 size might not fit all brake systems.

Perfect For:

DIY bike lovers wanting a strong fix for their ride will love this set of bolts. Mountain bike and road bike riders can add these parts for a secure brake setup.

Ready to Purchase?

2. BBMTA Trailer Brake Backing Plate Flange 2.27″ for 3500# Axle(2pack

BBMTA Trailer Brake Backing Plate Flange 2.27

This backing plate flange works on 3500# axles and fits many 7″ and 10″ electric drum brakes. It welds easily to your axle for a strong brake system connection.

The part uses 1/2″ bolts and has a 3-3/4″ width with a 1/4″ thick build. Proper welding is needed during setup for safe mounting. The 2.27″ inner hole fits 7/16″ bolts perfectly.

Use this flange for both 2000# and 3500# axles with the same standard 4 bolt pattern found in most modern drum brakes. Get stable stops and good brake performance with this square bracket.

Pros Cons
  • Fits both 2,000# and 3,500# axles
  • Made from sturdy 1/4-inch steel
  • Uses standard bolt hole sizes
  • Ready for a strong metal weld
  • Matches most electric brake drum kits
  • Welding required for installation, not beginner-friendly.
  • No hardware included, extra parts needed for setup.
  • Fixed size, may not fit all trailer brake setups.

Perfect For:

This flange fixes weak brakes on 2000# and 3500# axles. You need it to weld with ease on your trailer.

Ready to Purchase?

3. BBMTA Trailer Brake Backing Plate Mount Flange 1.64″ for 2000# Axle(2pack)

BBMTA Trailer Brake Backing Plate Mount Flange 1.64

The BBMTA Trailer Brake Backing Plate Mount Flange is a 2000-pound weld-on bracket. It’s strong and durable for reliable trailer braking. This 2-pack ensures you have everything needed.

It features a 1-5/8″ center hole and 4-bolt mounting. The bracket measures 3-3/4″ x 3-3/4″ with holes 3″ on center. It’s designed for 7″ electric drum brakes.

This flange is perfect for 2000# axles. It’s easy to install with welding and bolts. Upgrade your trailer brakes with confidence.

Pros Cons
  • Strong 2000-pound weld-on brake backing plate for durability.
  • Easy installation with 4-bolt mounting bracket.
  • Fits most modern 7″ and 10″ electric drum brakes.
  • Versatile use for 2000# axles.
  • Simple design with clear measurements for quick setup.
  • Welding required, not ideal for beginners or quick fixes.
  • Bolts not included, extra purchase needed for installation.
  • Specific size, may not fit all trailer configurations.

Perfect For:

This BBMTA Trailer Brake Backing Plate Mount Flange is perfect for anyone with a 2000# axle who needs a reliable, weld-on mounting bracket for their electric drum brakes. It’s easy to install and works with most modern 7″ brakes.

Ready to Purchase?

4. Calsgkspray 4Pcs Black Bike 10mm V Brake Hole Mount Screws Mountain Road Bike Fixed Gear Bike Fork Cantilever Brakes Post Mount Bolts Part 10mm Brake Screw 10×1.25mm,Mounts and Adapters

Calsgkspray 4Pcs Black Bike 10mm V Brake Hole Mount Screws Mountain Road Bike Fixed Gear Bike Fork Cantilever Brakes Post Mount Bolts Part 10mm Brake Screw 10x1.25mm,Mounts and Adapters

Calsgkspray 4Pcs Black Bike 10mm V Brake Hole Mount Screws are essential parts for your bike’s braking system. They fit mountain, road, and fixed-gear bikes easily.

These 10mm screws are made for V-brakes and cantilever brakes. They ensure a secure and reliable mount for your bike’s brakes.

Easy to install, durable, and fits most bikes. Perfect for quick repairs or upgrades.

Pros Cons
  • Secure fit for your bike’s brake system.
  • Durable 10mm screws for long-lasting use.
  • Easy installation with precise 10×1.25mm threading.
  • Versatile for mountain, road, and fixed gear bikes.
  • Hard to fit your bike.
  • Might rust in wet rain.
  • Wrong size for some parts.

Perfect For:

This product is perfect for bike enthusiasts who need reliable and durable mounting screws for their bikes. It’s ideal for those who love mountain biking, road biking, or fixed-gear biking, and want to ensure their brakes are securely and properly mounted.

Ready to Purchase?

5. FREGAT 3-Inch Locking PU Casters Set of 4, Bolt Mount, Ball Bearings

FREGAT 3-Inch Locking PU Casters Set of 4, Bolt Mount, Ball Bearings

The FREGAT 3-Inch Locking PU Casters come in a set of 4 for easy installation. They are designed to provide maximum stability for carts, workbenches, and equipment.

Each caster has a total-lock brake that secures both the wheel and swivel. They include M8 x 20 mm bolts for secure mounting. The PU wheels are smooth, quiet, and non-marking.

With a total capacity of 880 lb, these casters are strong and durable. The zinc-plated steel construction resists water and humidity. They work well on hardwood, tile, and concrete surfaces.

Pros Cons
  • Locks both the wheel and swivel for safety.
  • Holds up to 880 lbs of weight.
  • Rolls smooth and quiet on floors.
  • Resists rust with strong steel.
  • Needs pre-drilled holes for tight fit
  • Total lock button is hard to press
  • Wheels cannot be replaced if worn out

Perfect For:

This caster set is perfect for anyone who needs stable, smooth-rolling wheels for carts, workbenches, or equipment. It’s ideal for workshops, garages, or homes where quiet, non-marking movement and strong load capacity are key.

Ready to Purchase?

6. Wanyifa Titanium Ti M6 x 20mm Socket Allen Hex Bolt Pack of 4 (Gold)

Wanyifa Titanium Ti M6 x 20mm Socket Allen Hex Bolt Pack of 4 (Gold)

These bolts are crafted from strong titanium alloy material. They come in a M6x20mm size for perfect fits. The pack is very lightweight and easy to hold.

The hex head size is small for easy tool use. Each piece weighs only 3 grams for work on lighter models.

You get 4 pieces inside every box. Use them for precise repairs or heavy jobs.

Pros Cons
  • Made from strong titanium alloy for maximum durability.
  • Weighs only three grams per piece for ultimate lightness.
  • Finished in a stunning gold color to look great.
  • Resists rust and corrosion for long-lasting quality.
  • Limited pack size, only 4 bolts included.
  • Gold color may not suit all projects.
  • No additional tools or accessories provided.

Perfect For:

These Wanyifa Titanium Bolts are perfect for DIY enthusiasts and professionals who need strong, lightweight fasteners. They’re ideal for projects where durability and style matter.

Ready to Purchase?

7. Nouiseuns 20mm MTB Brake Spacer Disc Brake Adapter – Bike Disc Brake Mount for 180mm Rotor, Post Mount Caliper Bracket for MTB & Road Bicycle Upgrade

Nouiseuns 20mm MTB Brake Spacer Disc Brake Adapter – Bike Disc Brake Mount for 180mm Rotor, Post Mount Caliper Bracket for MTB & Road Bicycle Upgrade

This adapter fits your standard post mounts perfectly. It lets you mount larger rotors with ease.
This part is made from strong alloy that never rusts. You get strong bolts to put it on fast. It gives you safe stops on steep hills.

Pros Cons
  • Strong aluminum alloy metal
  • Easy install with bolts
  • Fits many post types
  • Adds more stop power
  • Durable rustproof design
  • Limited compatibility with non-standard frame or fork sizes.
  • No instructions included for beginner installation.
  • Not suitable for extreme downhill or heavy-duty use.

Perfect For:

This product is great for cyclists who want stronger brakes on rough paths. It helps everyone needing bigger rotors find better control on bikes.

Ready to Purchase?

8. 4 inch Casters Set of 4 Heavy Duty, Casters Wheels with Brake Load 2200lbs, Locking Swivel Top Plate Caster, Industrial Castor Wheels for Carts, Furniture and Workbench(Free Hardware Kit)

4 inch Casters Set of 4 Heavy Duty, Casters Wheels with Brake Load 2200lbs, Locking Swivel Top Plate Caster, Industrial Castor Wheels for Carts, Furniture and Workbench(Free Hardware Kit)

Upgrade your heavy gear with these tough wheels. They hold tons of weight with ease.

Roll your carts with zero noise. Stop all motion using one foot. Grab your free tool set now.

Pros Cons
  • Heavy-duty casters handle up to 2200 lbs total weight.
  • Dual-lock brake ensures stable, secure equipment placement.
  • Smooth, floor-friendly wheels protect surfaces from scratches.
  • Easy installation with free hardware kit included.
  • 360° swivel for effortless mobility in tight spaces.
  • Small wheels can get stuck in small gaps
  • The brake may not lock on rough ground
  • Some screws are too short for the plate

Perfect For:

These heavy-duty casters are perfect for anyone needing strong, reliable wheels for carts, furniture, or workbenches. They’re great for home garages, workshops, or indoor projects where smooth movement and secure locking are key.

Ready to Purchase?

9. Rigid Hitch 7″ x 1-1/4″ Electric Brake Assembly for 2,000 lb. Axles, Left Mount, 4-Bolt Pattern, Including 3″ Rigid Hitch Logo Decal (BK-7E-01)

Rigid Hitch 7

Secure your trailer with this reliable electric brake assembly. The 7-inch X 1-1/4-inch size fits 2,000 lb. axles precisely. It comes with a 4-bolt pattern and left mount configuration for simple installation.

Add vital safety with a 2,000 lb. rated capacity. This left side brake assembly delivers strong stopping force. It lines up perfectly with Dexter number K23-047-00 for easy cross-referencing.

Use this electric brake assembly for consistent and safe braking. The 7-inch diameter and 1-1/4-inch width ensure reliable performance. Perfect for secure left mount configuration and 4-bolt pattern installations.

Pros Cons
  • Fits 2000 lb axles easily
  • Pairs offer great braking capacity
  • Comes with 4-bolt mounting studs
  • Perfect for left side mounting
  • Compatible with Dexter axles
  • You must buy 7/16 hardware.
  • Parts for mounting not included.
  • Fits only left side axle.

Perfect For:

This Rigid Hitch Electric Brake Assembly is perfect for trailer owners who need reliable and safe braking. It’s easy to install and fits 2,000 lb. axles perfectly.

Ready to Purchase?

10. Kodiak Caliper Mounting Bracket for 10″ Rotor Dacromet Universal Fit (DAC) #CMB-10-U-DAC

Kodiak Caliper Mounting Bracket for 10

The Kodiak Caliper Mounting Bracket for 10″ Rotor Dacromet Universal Fit (DAC) #CMB-10-U-DAC is a high-quality part designed to fit 10-inch rotors perfectly. It’s made to work with Dacromet calipers, ensuring a secure and stable setup.

This bracket is universal, meaning it can be used with many different models. It’s easy to install and helps keep your calipers in the right position. It’s a must-have for anyone who wants to upgrade their braking system.

Pros Cons
  • Universal fit for easy installation on various vehicles.
  • Durable Dacromet coating resists rust and corrosion.
  • Precision design ensures secure caliper mounting.
  • Kodiak quality guarantees long-lasting performance.
  • No warranty info provided.
  • Universal fit may not suit all vehicles.
  • Part number required for identification.

Perfect For:

Car owners who like fixing their own vehicles need this bracket. It works on many cars and makes repairs easy.

Ready to Purchase?

Buying Guide

Finding the right 4 bolt brake mounts is easy with this guide. We’ve tested top options for bikes and trailers. Get ready to upgrade with confidence!

Factors to Consider When Buying 4 Bolt Brake Mounts:

  • Compatibility: Ensure the mounts fit your bike or trailer model. Check the bolt pattern and size for a perfect match.

  • Material: Look for durable materials like steel, titanium, or alloy. These ensure long-lasting performance and safety.

  • Ease of Installation: Choose mounts that are easy to install. Some require welding, while others use simple bolts for quick setup.

  • Weight Capacity: For trailers, pick mounts that match your axle’s weight rating. This ensures safe and stable stops.

  • Brake Type: Match the mounts to your brake system. Whether it’s disc, drum, or V-brakes, the right fit is key.

  • Brand Reliability: Go for trusted brands known for quality. Reliable parts mean better performance and peace of mind.

  • Price and Value: Compare prices to find the best deal. Look for affordable options that don’t compromise on quality.

With these tips, you’ll find the perfect 4 bolt brake mounts for your needs. Upgrade your brakes and ride or tow with confidence!