Naraku SKF / FKM Premium C4 Polymide Crank Bearing & Seal Kit - Derbi EBE/EBS & D50B0 50cc. This product is suitable for the Derbi Senda 50 R Racer 2003 E1 (EBE050) [VTHSENDGB]. Derbi Senda 50 SM DRD Racing 10-13 Malossi MHR Team Modular 79cc Cylinder Kit.