HD [Heavy Duty] naraku cigüeñal bearings. The bearing kit consisting of cigüeñal left and right bearing and the corresponding rings resistant cigüeñal. the storage name there is already information about the resistencia. Only use high quality Japanese storage with c3 bearing set from one of the leading manufacturers of Japanese NTN or kOYO bearings used with HD set create your base for all cargas. whether in normal operation or racingeinsatz. Please take in cuenta. change a cigüeñal Always use new bearings and cigüeñal retainers. Suitable for Derbi EBE/EBS engines and the new piaggio D50B0 engine (used from 2006)