Replacement CDI and ignition coil unit for Derbi and Gilera bikes. This CDI is only suitable for Derbi geared bikes that are using the original Leonelli flywheel and stator. Suitable for the following: DERBI Bultaco Astro 50 2T LC Azul K 1999 VTHSENDOAYH Bultaco Astro 50 2T LC Replica Black 2000 VTHSENDOAYH Bultaco Lobito 50 2T LC Amarillo Mimosa 1998 VTHSENDOAYH Bultaco Lobito 50 2T LC Azul K 2000 VTHSENDOAYH Senda R 50 2T LC X Trem 2002 VTHSDR1EB Senda R 50 2T LC 2001 VTHSENDARXH Senda R 50 2T LC 2000 VTHSENDARXH Senda R 50 2T LC 1999-2000 VTHSENDARXH Senda R 50 2T LC Racer Euro 1 2003 VTHSENDGB Senda R 50 2T LC Racer 2002 VTHSENDGB Senda SM 50 2T LC X Trem 2003 VTHSDR1FB Senda SM 50 2T LC DRD 2003 VTHSDR1HB Senda SM 50 2T LC Racer Euro 1 2003 VTHSENDHB GILERA RCR 50 2T LC VTH SDRIEB3H 213183 00H03331171