Discovering Bike Brake Mount Type: Post or Flat – A Guide

To determine if your brakes are post mount or flat mount, you can check for mounting points on your bike frame. Look for two small holes on the bottom of the bike frame for flat mount brakes or two threaded bosses on the side of the seat stays for post mount brakes.

Brakes play a key role in keeping you safe while riding your bike. It is important to have an idea of what type of brakes your bike has so you can properly maintain and upgrade them. In recent years, post mount and flat mount brake systems have become increasingly popular.

Post mount and flat mount brakes have distinct differences in where they are mounted to the bike frame. While it may seem difficult to determine whether your bike has post mount or flat mount brakes, it is actually quite simple if you know what to look for. In this article, we will discuss how to identify if your bike has post mount or flat mount brakes.

Discovering Bike Brake Mount Type: Post or Flat - A Guide

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Understanding Post Brake Mounts

When it comes to understanding the different types of brake mounts, it can be confusing to differentiate between post mounts and flat mounts. In this blog post, we’ll delve into the details of post brake mounts, including their advantages, disadvantages, and when they’re the right choice for your setup.

What Is A Post Mount Brake?

A post mount brake is named after its design which consists of two posts attached to the frame or fork where the brake caliper is mounted. This design faces the brake caliper’s mounting hardware to the front or rear of the bike, perpendicular to the rotor.

They can be recognized by their exposed bolts that attach the brake to the bike.

Advantages Of Using Post Brake Mounts

Here are some advantages of using post brake mounts:

  • Less weight: Post mount brake systems are generally lighter than other systems.
  • More brake power: The design of post mounts allows for more brake power, making them an ideal choice for larger bikes and riders.
  • Adjustability: Since the brake caliper is mounted on two separate posts, it can be fine-tuned for better brake pad alignment.

Disadvantages Of Using Post Brake Mounts

Although post mounts have several advantages, there are also some disadvantages that come with their use. Here are a few of them:

  • Not very compatible: Post mounts may not be compatible with some types of frames or forks.
  • Limited pad clearance: The space between the rotor and caliper is limited, so it reduces the compatibility most commonly with larger brake pads. This can limit the rider’s choice of brake pads.

When Using Post Brake Mounts Is The Right Choice

Post mounts are the ideal choice if you’re looking for more brake power or weight reduction. They also allow for better adjustability, making sure your brake pad is aligned properly. However, they can be a less compatible option, so make sure to check your frame or fork specs before purchasing.

Knowing the difference between post mount brakes and flat mount brakes can be essential in making the right decision for your specific bike setup. We’ve gone over the advantages and disadvantages of post mount brakes and when they are the right choice for you.

Remember to always check your riding style, bike compatibility, and desired braking efficiency before making your final decision on your brake mount type.

Understanding Flat Brake Mounts

Flat mount brakes are a relatively new innovation that is becoming increasingly common among bike enthusiasts. These brakes, also known as post mount, provide a sleek and aerodynamic design that optimizes the performance of the bike. We will be taking a closer look at flat mount brakes, highlighting both their advantages and disadvantages, as well as examining when it is best to use them.

What Is A Flat Mount Brake?

A flat mount brake is a type of brake that is attached to the bike frame through bolts that are inserted into holes in the frame. The bolts are connected to the brake caliper through a mount, which is secured to the frame.

Flat mount brakes first came into existence in 2014 with their introduction on road racing bikes. Today, this type of brake is used more frequently on both road and mountain bikes.

Advantages Of Using Flat Mount Brakes: Compact Design, Aerodynamic, Lighter Weight

Using flat mount brakes offers several advantages over other types of brakes. The main advantages of using flat mount brakes include:

  • Compact design: The flat mount brake is a more compact design compared to the older post mount brake design. This makes the flat mount brake a more streamlined design that is less obtrusive and looks sleek on the bike.
  • Aerodynamic: Flat mount brakes have a more streamlined design, which is more aerodynamic than traditional post mount brakes. This results in less air resistance, which is beneficial for riders who are looking for the most performance out of their bike.
  • Lightweight: Flat mount brakes are usually lighter than other brake designs, which can be very beneficial to riders who are looking to reduce the weight of their bike.

Disadvantages Of Using Flat Mount Brakes: Difficult To Adjust, Compatibility Issues

While there are many benefits to using flat mount brakes, there are also some downsides that riders should keep in mind. These include:

  • Difficult to adjust: One of the biggest problems with flat mount brakes is that they can be difficult to adjust properly. This is because the mounting system is more complicated than other types of brakes.
  • Compatibility issues: The other concern that riders may have when using flat mount brakes is compatibility. Because this is a newer technology, the parts are not always interchangeable with other types of brakes. Riders should make sure they are using the correct parts before purchasing and installing the brakes.

When Using Flat Brake Mounts Is The Right Choice

Flat mount brakes are best suited for riders who are looking for a sleek and aerodynamic design. This type of brake is also ideal for those who are looking to reduce the weight of their bike and want to optimize their bike’s performance.

However, riders who are not comfortable with adjusting brakes themselves may find flat mount brakes to be too complicated and difficult to set up. Additionally, riders who are looking for a brake system with interchangeable parts may want to stick with more traditional brake systems.


Choosing The Right Bike Brake Mount Type

Factors To Consider: Type Of Bike, Riding Style, Rider’S Body Weight, Brake System Components, Etc.

When it comes to choosing the right brake mount type for your bike, there are several factors to consider. These include the type of bike you have, your riding style, your body weight, and the brake system components. Here are a few things to keep in mind:

  • Type of bike: Different types of bikes may require different types of brake mounts. For example, mountain bikes often use post mount brakes, while road bikes typically use flat mount brakes.
  • Riding style: The type of riding you do can also impact the type of brake mount you need. If you frequently ride on steep hills or in wet conditions, you may want to consider a brake mount that can handle more stopping power.
  • Rider’s body weight: Heavier riders may need more braking power to come to a stop. This can impact the type of brake mount needed.
  • Brake system components: The brake system components on your bike also play a role in determining the best brake mount type. For example, some brake systems may only be compatible with certain types of brake mounts.

A Step-By-Step Guide To Help Determine Which Brake Mount Type Is Better For Your Bike

Now that you know some of the factors to consider, here is a step-by-step guide to help you determine which brake mount type is better for your bike:

  • Look at your bike frame: One of the easiest ways to tell what type of brake mount your bike needs is by looking at the frame. Check for mounting holes near the brake rotor. If you see two holes in a straight line, you likely have a post mount bike. If the holes are set at an angle, it’s likely a flat mount bike.
  • Check the manufacturer’s specifications: Your bike’s manufacturer should be able to tell you what type of brake mount your bike needs. This information may also be available online.
  • Consider your riding style: If you tend to ride in wet or steep conditions, you may need a brake mount that can handle more stopping power.
  • Think about your body weight: Heavier riders may need a brake mount that can handle more stopping power as well.
  • Consider upgrading your brake system: If you’re not sure which brake mount type is best for your bike, you may want to consider upgrading your brake system altogether. An experienced bike mechanic can help you choose the right components for your riding style and needs.

Tips On How To Install And Maintain Your Bike Brake Mounts

Once you’ve determined which brake mount type is best for your bike, here are a few tips on how to install and maintain your bike brake mounts:

  • Make sure you have the right tools: Installing and maintaining bike brake mounts often requires specific tools. Before attempting any work, make sure you have the necessary tools on hand.
  • Follow the manufacturer’s instructions: Whether you’re installing new brake mounts or maintaining the ones you have, be sure to follow the manufacturer’s instructions carefully.
  • Keep everything clean: Dirt and debris can impact the performance of your bike brakes. Clean your brake mounts regularly to keep them working properly.
  • Check for wear and tear: Over time, brake mounts can become worn or damaged. Regularly check for signs of wear and tear, such as cracks or corrosion.
  • Don’t hesitate to get help: If you’re not comfortable installing or maintaining your bike brake mounts on your own, don’t hesitate to get help from an experienced bike mechanic. Good maintenance can ensure your bike is always ready to ride.

Frequently Asked Questions On How Do I Know If My Brakes Are Post Mount Or Flat Mount?

What Are Post Mount Brakes?

Post mount brakes are attached to the bike frame or fork with two bolts perpendicular to the rotor.

What Are Flat Mount Brakes?

Flat mount brakes are hydraulic disc brakes which are a relatively new mounting standard.

How Do I Know If My Bike Has Post Mount Or Flat Mount Brakes?

Check the caliper mounting bolts if they are located parallel to the rotor, it’s flat mount. If perpendicular, it’s post mount.

What Are The Differences Between Post Mount And Flat Mount Brakes?

Post mount brakes are cheaper and easier to install while flat mount brakes are lighter and more aero. Flat mounts can also fit larger rotors.

Conclusion

Based on the information above, it’s clear that knowing whether your brakes are post mount or flat mount is essential not only for maintenance purposes but also for upgrading or replacing your bike’s brakes. Post mount brakes bolt directly onto the frame or fork, while flat mount brakes have a sleeker design and attach to a flat surface.

To determine which type of brakes your bike has, check the mounting holes on the fork and frame. If you’re still unsure, consult a professional mechanic to ensure you have the correct information. Whether you’re a novice cyclist or an experienced rider, understanding the different types of brake mounts is a crucial part of keeping your bike in top condition.

By following these tips, you’ll be able to identify whether your brakes are post mount or flat mount and make informed decisions about your bike’s maintenance and upgrades.

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