Shimano XT BL-M8020 4 Piston Disc Brake

We’ve read the reviews across the web for the Shimano XT BL-M8020 4 Piston Disc Brake and summarize the results below:

Universal Ranking

PeakScore: 95 (out of 100)
User Rating: 4.9 stars 
Expert Rating: 4.5 stars

Number of Ratings Reviewed: 75

Pros & Cons

Reasons to buy:

User Reviews

  • Easy to bleed to keep working at a high-performance level.
  • Does not fade after prolonged use for ample durability.
  • Provides extensive braking power to safely and quickly stop your bike.
  • Takes very little effort to slow down your bike for ease of use.
  • Provides a reliable and consistent braking force.
  • Features ample traction on a wide variety of surfaces for efficient braking.

Expert Reviews

  • The brake lever is ergonomic and easy to use.
  • The reach adjust can be done quickly and without tools for additional functionality.
  • Works well to stop you very quickly during your ride.
  • Provides reliable and consistent braking power over multiple rides.
  • The finish and construction is high-quality for a long-lasting product.

Reasons NOT to buy:

User Reviews

  • The threshold of modulation requires a controlled touch, so it might not work especially well for beginners.

Expert Reviews

  • Not the lightest option on the market when compared to similar choices.
  • Expensive when compared to other options on the market.


The Shimano XT BL-M8020 4 Piston Disc Brake is an easy-to-use, reliable, and forceful option that provides consistent and long-lasting confidence. Despite being a little bit more expensive and heavier than the competition, this piston disc brake is a long-lasting and efficient choice for cyclists.


Note: User and expert rankings were reviewed across the web. Some expert reviews include these: 1, 2, 3, 4.