・Material: Iron SPCC t1.6 ・Outer diameter: 60mm for ZH, 62mm for RG-The braking effect is improved compared to a normal break pad. ・Because it is heavier than normal break pad, and it can be increase the front load. (For bikes with a light front, increasing the load will lead to a stable direction)More detail: please feel free contact me anytime
Source: RCF.COZY