813CM56 Rear Challenge Series Sintered Pads

This sintered compound pad is a good combination of fade free performance, brake feel & thermal stability.
All around performance under dry & wet condtions, the CM55 or CM56 pads (CM55 front, CM56 rear) are a great replacement level pad, but are not recommended for race or track usage.
This is one of the most popular brake pad compounds for every day users.