Organic cycle disc brake padsClarks organic cycle disc brake pads are specifically designed to give the best performance under normal conditions. The organic compound gives improved noise reduction as well as increased ‘bite’. Recommended for use with Mechanical Systems. Model Compatibility: VX8251/VRX851 SHIMANOSaint M810 (AM), Shimano XTR BR-M9120, XT BR-M8120/BR-M8020, SLX BR-M7120, Deore BR-M6120/BR-MT420, Saint BR-M820/BR-M810, Zee BR-M640, BR-MT520 TEKTROHD-M750, HD-M745, HD-M735[FRONT], HD-E725 TRPQuadiem, Quadiem SL, Slate T4 CLARKSM4 Supplied with spring clips where applicable