The Ultimate Guide to Shimano 4 Piston Disc Brake Calipers & Why Gorilla Brakes Are the Perfect Upgrade

Shimano, a titan in the cycling industry, They are renowned for their high-quality disc brake calipers, particularly their 4 piston models. These calipers are engineered for riders who seek superior stopping power and reliability, a necessity in disciplines like enduro racing, downhill, and trail riding. This blog provides an in-depth look at Shimano's 4 piston disc brake calipers, and we'll also explore why upgrading to Gorilla Brakes' disc brake compounds can be a game-changer for your biking experience.

1. Shimano Saint BR-M820

  • Description: The Saint BR-M820 is built for the rigors of downhill racing, offering high braking power and robust construction.
  • Best For: Downhill and extreme gravity riding.
  • Gorilla Brakes Upgrade: For enhanced performance, the Gorilla Brakes compounds provide superior heat resistance and improved pad life, making them a worthwhile upgrade for demanding downhill tracks.

2. Shimano Zee BR-M640

  • Description: Offering excellent braking power at a more affordable price, the Zee BR-M640 is ideal for freeride and downhill enthusiasts.
  • Best For: Freeride and budget-conscious downhill riders.
  • Gorilla Brakes Upgrade: The advanced material composition of Gorilla Brakes pads ensures consistent braking in diverse conditions, perfect for the varied demands of freeride biking.

3. Shimano XT BR-M8020

  • Description: Balancing weight, power, and price, the XT BR-M8020 is versatile enough for various mountain biking disciplines.
  • Best For: Trail, enduro, and all-mountain riding.
  • Gorilla Brakes Upgrade: With a focus on reducing brake fade and increasing endurance, Gorilla Brakes pads are an excellent choice for long, challenging trails.

4. Shimano SLX BR-M7120

  • Description: Known for reliability and consistent performance, this model is a solid choice for quality at an affordable price.
  • Best For: Trail and all-mountain riders on a budget.
  • Gorilla Brakes Upgrade: These pads offer a quieter, smoother braking experience, enhancing the overall quality of budget-friendly SLX calipers.

5. Shimano Deore BR-M6120

  • Description: An excellent entry-level choice, the Deore BR-M6120 provides reliable stopping power and durability.
  • Best For: Entry-level trail and all-mountain biking.
  • Gorilla Brakes Upgrade: Upgrade with Gorilla Brakes for a significant improvement in braking efficiency and control, perfect for new mountain bikers.

6. Shimano XTR BR-M9120

  • Description: Designed for competitive riders, this top-end model combines lightweight construction with exceptional braking power.
  • Best For: Competitive trail, enduro, and cross-country racing.
  • Gorilla Brakes Upgrade: The high-performance compounds of Gorilla Brakes enhance the XTR's capabilities, making them ideal for competitive scenarios.

7. Shimano Deore XT BR-M8120

  • Description: Offering enhanced modulation and control, this caliper is suitable for a variety of mountain biking styles.
  • Best For: Versatile riding, from trail to aggressive enduro.
  • Gorilla Brakes Upgrade: Gorilla Brakes' compounds boost the XT's modulation, providing a more responsive and controlled braking experience.

8. Shimano Deore BR-MT420

  • Description: A reliable and affordable option for recreational mountain bikers.
  • Best For: Recreational mountain biking and entry-level riders.
  • Gorilla Brakes Upgrade: These brake pads offer a significant upgrade in terms of performance and longevity, ideal for recreational riders looking for a quality experience.


Shimano's 4 piston disc brake calipers cater to every mountain biking need. Coupled with Gorilla Brakes' advanced disc brake compounds, they offer an unmatched combination of performance, durability, and control. Whether you're a professional racer or a weekend warrior, this combination ensures a superior braking experience on any terrain.

Keep Riding!

Choose the right Shimano 4 piston caliper and pair it with Gorilla Brakes for the ultimate braking performance. Regular maintenance and proper setup are crucial for the best results. Enjoy the trails!