Shimano L05A-RF Disc Brake Pads and Spring – Resin Compound, Finned
The Shimano L05A-RF is a resin disc brake pad designed for higher-performance Shimano road, gravel, and MTB brake systems that benefit from better heat control. It’s an updated replacement for the L03A, offering longer wear life while maintaining the quiet, smooth braking Shimano resin pads are known for.
The integrated alloy cooling fins help manage heat on longer descents and repeated braking, making this a strong option for gravel, road disc, and light e-bike use.
Key Features
• Resin compound for smooth, quiet braking
• Alloy radiator fins to reduce heat buildup
• Improved wear life over previous L03A pads
• Consistent braking in dry and wet conditions
• Includes pad spring
Compatibility & Use Notes
• Compatible with Shimano brake calipers:
– BR-M8110, BR-M7110
– BR-R9270, BR-R9170, BR-R8170, BR-R8070, BR-R7070
– BR-4770
– BR-RS805, BR-RS505, BR-RS405, BR-RS305
– BR-U5000
– BR-RX810, BR-RX400
• Resin (organic) pad compound
• Alloy finned backing plate
• Not compatible with Shimano calipers requiring a different pad shape
Service / Ownership Context
Finned pads work best when airflow can reach the caliper, which is typical on road and gravel bikes. Resin pads stay quieter and are easier on rotors but will wear faster than metallic pads under heavy loads. Proper bed-in is important for pad life and consistent braking.
Fit & Use Signals
• You run compatible Shimano road, gravel, or MTB brakes
• You want quiet braking with better heat management
• You ride long descents or mixed conditions
• Not a fit if your caliper uses a different pad shape
• Not a fit if you want metallic or sintered pads