Tektro

Aries MD-M300 Mechanical Disc Brake Caliper - Post Mount - Long Pull - for MTB Lever

Tektro Aries MD-M300 is a cable-actuated mechanical disc brake caliper built for straightforward setup, easy service, and dependable braking in wet, muddy trail conditions. Designed for post mount frames and forks and tuned for long pull (linear pull) MTB levers, it delivers predictable modulation without the complexity of hydraulics—ideal for commuters, hardtails, and budget-conscious MTB builds that still demand consistent control on long descents.

• Long pull lever compatibility - Designed to pair correctly with standard MTB brake levers for proper cable pull and predictable braking feel
• Post mount fit - Direct post mount caliper interface for common MTB frame/fork standards and clean, secure installation
• Mechanical (cable-actuated) design - Simple adjustment and maintenance with standard brake cables; practical for riders prioritizing ease of service
• Single-piece aluminum body - Solid, durable caliper construction for stable alignment and consistent performance over time
• Includes Tektro E10.11 resin pads - Comes ready to install with organic pads that prioritize smooth engagement and quiet operation
• Rotor thickness recommendation - Optimized for 1.8mm rotors (rotor sold separately) to match intended clearance and pad interface