Why Chooes resin semi-metallic brake pads:
2 TIMES life than normal Resin Disc brake pads. 
Better heat dissipation, Ultimate Brake Power.
Noise Control technology is introduced. 
NEW Formula, More copper granules.
 
 
 
Compatible with the following Shimano Models:
 
BR-C501, BR-M575, BR-M525, BR-M495, BR-M486, BR-M485, BR-M475, BR-M465, BR-M447, BR-M446, BR-M445, BR-M416, BR-M416A, BR-M415, BR-M4050, BR-M395, BR-M375, BR-M355, BR-T675, BR-T615, BR-TX805