Best Brake Bleeding Kits For Mountain Bike

Since I love riding on rough terrains, my MTB brakes need bleeding every once in a while. But here is the thing, I hate the idea of having to go to a professional to bleed my brakes and of course not to forget the cost that comes with it. Therefore, I decided to take the matter into my hands when I got myself a mountain bike brake bleeding kit. 

Now, I can bleed my bike’s brakes from the comfort of my home without having to wait hours at the mechanic while also saving money. If you are facing the same problem and looking for the best brake bleeding kit for mountain bike, this guide is for you. I will list the 5 best bleeding kits and their advantages and disadvantages.

Best Brake Bleeding Kits For Mountain Bike Overview

Best Overall Best Overall RSN Sports Bleed Kit
  • Item Dimensions: 7 x 5 x 1 inches
  • Weight: 0.24 lbs.
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Highly Recommended Highly Recommended JGbike Standard Bleed Kit
  • Item Dimensions: 9 x 4 x 2 inches
  • Weight: 0.8 lbs.
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Most Attractive Most Attractive EASTERN POWER Bicycle Brake Bleed Kit
  • Item Dimensions: 6 x 5 x 2 inches
  • Weight: 0.51 lbs.
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Editors Choice Editors Choice CYCOBYCO Bicycle Hydraulic Disc Brake Bleed Kit
  • Item Dimensions: 7 x 6 x 1 inches
  • Weight: 0.82 lbs.
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Best Seller Best Seller Park Tool BKM-1 Hydraulic Bicycle Brake Bleed Kit
  • Item Dimensions: 10 x 8 x 3 inches
  • Weight: 1.55 lbs.
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5 Best Brake Bleeding Kits For Mountain Bike Review

Best Brake Bleeding Kits for Mountain Bike

1. RSN Sports Bleed Kit


  • Flexible silicone hose
  • Reusable 20ml syringe
  • Genuine 60ml SHIMANO mineral oil rebottled

The Shimano brake bleed kit by RSN comes with 60ml mineral oil. Besides, the kit includes a flexible silicone hose and a reusable syringe of 20ml.

This kit is compatible with several hydraulic brakes such as XT, Zee, XTR, SLX, Altus, etc.

What I Like?

  • Kit works absolutely fine
  • Flexible bleed tube makes it easier to put onto the bleed port nipple
  • The 2 Velcro straps help in taking out stubborn air bubbles
  • The caliper block allows you to center the brake caliper perfectly after finishing the bleeding    process
  • Reasonable price 

What I Don’t Like?

  • No compression sleeves for the hoses
  • Cup does not fit Shimano brakes, you will need an adapter which is not included in the kit

Concluding Remarks about RSN Sports Bleed Kit

This is a great DIY brake bleed kit for Shimano brakes that comes with the correct oil. The brake fluid will help you with one bleed only (you have to purchase more) but the whole kit is worth it considering its low price.

2. JGbike Standard Bleed Kit


  • Designed for Hydraulic Brakes using Mineral Oil
  • Support Brands and Model

This is not just a Shimano XT brake bleed kit but supports various other brands. Besides, the kit weighs 0.46kg and has additional mineral oil. 

What I Like?

  • Easy to use
  • Syringes have a smooth feel
  • Solid bleed blocks
  • Comes with everything you need to carry out a bleed
  • Sufficient supply of brake fluid 

What I Don’t Like?

  • No clamping sleeve
  • Hose cannot handle pressure

Concluding Remarks about JGbike Standard Bleed Kit

If you need a bike brake bleed kit that has an adapter and you can use it for both mountain and road bikes, this is the one for you. Consider it the best Shimano professional disc brake bleed kit out there.

3. EASTERN POWER Bicycle Brake Bleed Kit


  • Compatible with mineral oil
  • Contains anti-corrosion syringe and silicone hose tubes

The brake bleed kit from EASTERN POWER is a universal kit with 10 adapters allowing you to use it on almost all MTB brakes.

Besides, the kit has silicone hose tubes and an anti-corrosion syringe, making them strong enough for multiple bleeding operations. 

What I Like?

  • Lightweight brake bleed kit
  • Bleeding kit works flawlessly
  • Quality of the kit is top-notch
  • Perfect for Shimano brakes
  • Affordable bleed kit

What I Don’t Like?

  • No brake fluid, you have to buy it separately
  • Does not support Hayes Nine brakes

Concluding Remarks about EASTERN POWER Brake Bleed Kit

Compatible with both DOT fluids and mineral oil, the bleeding kit comes in a tiny box. After buying this kit for your brakes, you do not have to purchase another kit when you switch to some other brakes because it is universal.

4. CYCOBYCO Bicycle Hydraulic Disc Brake Bleed Kit


  • Universal mineral oil oiling tools
  • Suitable for Shimano All Series

The bleed kit from CYCOBYCO is compatible with numerous brake series including Shimano, Zoom, Echo, Magura, CSC, Tektro, etc. 

What I Like?

  • Excellent quality tubes
  • The metal syringes are sturdy
  • Easy-to-use bleed kit
  • Come with instructions to make the process of bleeding hustle free        
  • The seal on the syringe prevents leaks and spillages effectively

What I Don’t Like?

  • Bleed bucket does not come with the kit
  • The adapter is a low-quality material, resulting in breakage 

Concluding CYCOBYCO Hydraulic Disc Brake Bleed Kit

The best part of this bleed kit is the self-locking structure that puts an end to the oil leakage problem which is a common issue faced by riders during fluid replacement. Likewise, the syringes are durable and corrosion-resistant. 

5. Park Tool BKM-1 Hydraulic Bicycle Brake Bleed Kit


  • Housed in a rugged storage case
  • Includes two syringes, hoses with shutoff clips

The bicycle brake bleed kit from Park Tool is only for mineral oil-based hydraulic brake systems, mainly models from Tektro, Clarks, Shimano, TRP, Magura, and Promax.

The kit includes a bleed funnel, multiple hose fittings, two syringes, bleed blocks of multiple sizes, hoses with shutoff clips, and a detachable syringe mount.

What I Like?

  • The different fitting sizes make this bleed kit work with most brakes
  • You will find no difficulty in using the kit
  • Adapters are of high-quality robust metal and do not break easily
  • You can carry out both full flush and lever bleed with this kit
  • The detachable syringe mount helps to keep your hands free and streamlines the bleeding process

What I Don’t Like?

  • Relatively expensive
  • Hoses leak even when you fully tighten them

Concluding Park Tool BKM-1 Hydraulic Brake Bleed Kit

Park Tool is a trusted company since 1963 and they put their decades of experience into their brake bleed kits. So, if you ever lose any part of your kit, you can easily get a replacement from Park Tool. This would save you a lot as you do not have to purchase the whole kit again. Also, keep in mind to never mix DOT fluid and mineral oil when using this kit as it can lead to brake failure. If you have brakes that use DOT fluid, you can get the Park Tool BKD-1 bleed kit that is for DOT fluid.

Frequently Asked Questions  

How to bleed bike brakes?

Bleeding bike brakes are of two types, quick and complete. You simply take the air out followed by replacing the oil in case of a quick bleed. This process is cheap compared to a complete bleed. In a complete bleed, the oil is completely drained from the brakes. As a result, the performance of your brakes greatly enhances. The materials you’ll be needing for bleeding the brakes are a bleed kit, mineral oil, and Allen keys.

What brake fluid do I need for my mountain bike?

A mountain bike uses either of the two types of brake fluid, mineral oil, or DOT. Mineral oil does not absorb water quickly and is non-toxic. On the other hand, DOT has a higher boiling point. Also, it is not up to you to decide which fluid type you should use. Instead, you will only use the fluid your brake is designed for. 

What is a brake bleeding mountain bike?

Simply put, brake bleeding is the process of replacing old brake fluid with new and clean fluid to remove dirt and air bubbles from the brake system which can affect the performance of the brakes. Bleeding brakes improve the stopping power of the brakes.

How much does a brake bleed cost mountain bike?

Bleeding mountain bike brakes usually cost between 35$ and 45$. However, this is not the final cost as it depends on the brake model you are using. Also, if some part needs replacement, it will add to your total cost. 

How do you bleed mountain bike brakes without a bleeding kit?

If you do not have a bleeding kit, you can still bleed your brakes by positioning the calipers in a way that they should face down. Then squeeze the lever and open the bleed port. Close the bleed port before the lever touches the handlebar. The fluid will drop into the reservoir (make sure to keep it full all the time). So, you need to ensure it doesn’t go down past the little silver part because if there is no fluid on top of it, it will simply suck air which you’ll have to regulate later. Rinse and repeat the process till you like the feel.

Concluding MTB Brake Bleed Kits Review

The process of bleeding brakes ensures no air bubbles remain trapped in the brake fluid. If you avoid it, the trapped air bubbles will reduce the hydraulic pressure, resulting in less-efficient brakes. Not only that, if you do not replace the old brake fluid, it will have an impact on the stopping power of your MTB brakes which is extremely dangerous when you are riding on uneven terrains.

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