SRAM Guide RSC (B1) Disc Brake

We’ve read the reviews across the web for the SRAM Guide RSC (B1) Disc Brake and summarize the results below:

Universal Ranking

PeakScore: 87 (out of 100)
User Rating: 4.5 stars 
Expert Rating: 4 stars

Number of Ratings Reviewed: 30

Pros & Cons

Reasons to buy:

User Reviews

  • Responsive and smooth for easy use.
  • Great feel, and able to get ample control while braking.
  • The chrome finish looks stylish.
  • It offers great modulation for the ability to brake later in turns, and provides ample adjustability.
  • Able to do on-the-go adjustments, showing the efficiency and versatility.
  • Good option for taking off a little bit of speed at a time during a ride.

Expert Reviews

  • Able to change with tool-free adjustment.
  • Split-clamp makes the brakes easy to install.
  • Holds more brake fluid than other similar models, meaning there is plenty in case of brake-pad wear.
  • Predictable braking power for reliability.
  • Great modulation and feel.
  • Ideal set-up for single-finger braking.

Reasons NOT to buy:

User Reviews

  • Some people may wish the lever was slightly shorter.
  • Some reports of the actuation being uneven due to the pistons’ different degrees of stickiness.

Expert Reviews

  • Not the best choice for those who want high braking power, instead of taking off a little bit of speed at a time.
  • Might be too much modulation for some.
  • Too heavy for a competitive XC race bike.


The SRAM Guide RSC (B1) Disc Brake is a reliable, adjustable, and easy-to-use brake that is best suited for riders who want control over their braking and high modulation. The lack of power when braking suddenly may deter some, but for those riders who prefer a responsive, smooth, and gradual disc brake, this is a great choice.


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