Shimano K03S disc brake pads made of resin. 40 % more wear resistant than its predecessor K02S. Recommended for Dura Ace and Ultegra disc brake calipers.

Compatibility:

• Dura Ace BR-R9170
• Ultegra BR-R8070
• Metrea BR-U5000
• BR-RS805, BR-RS505, BR-RS405, BR-RS305