S300 Road Flat Bar Disc Brake

Description | 

Meet the SRAM S‑300 Disc Brake (DB‑S300‑A1)—a precision-engineered, flat-mount hydraulic brake lever and caliper set that brings performance, modulation, and consistency to your flat bar road or gravel setup.

Featuring trusted hydraulic technologies from SRAM’s Guide series, including proven piston, seal, reservoir, and bladder designs, the S‑300 delivers a dependable bite point and confidence-inspiring stopping power for daily commutes, spirited rides, or long-distance touring.

Compact, lightweight, and easy to install—with DirectLink™ lever feel and advanced bladder design for smoother pressure control.

Features & Specs |

• Brake Type: Hydraulic disc brake with lever and caliper set
• Mount Style: Flat-mount caliper optimized for flat bar setups
• Technologies:
  • DirectLink™: Immediate, solid lever engagement
  • Timing Port Closure: Smooth, consistent pressure thanks to sealed fluid path
  • Expandable Bladder: Reduces air bubbles and maintains braking responsiveness
• Material: Aluminum lever blade and caliper for a lightweight ride
• Pads: Steel-backed organic pads for dependable stopping power
• Fluid: DOT-based hydraulic fluid system
• Adjustability: Tooled reach adjust for personal fit
• Orientation: Available for front or rear, left or right setup

Usage Tips |

• Installation: Mount flat-mount caliper to frame or fork, bleed system for crisp lever feel, and align pads for smooth rotor clearance.
• On-Road Trust: Ideal for urban flats and gravel roads—modulation and power you can dial in with a fingertip.
• Maintenance: Regularly inspect pads and top up fluid. Flush hydration traces for long-term performance.
• Seasoned Performance: Engineered for consistency across wet, dry, or cold conditions—great for all-season riding in Canada.