45km / h> to> 45km / h "Power + Eco" - Conversion kit with certificate for Derbi Senda SM / R X-Race, Senda SM / R Extreme, vehicle type: SR, from model year 2005, EG-BE-No.:e9*2002/24*0001* (with pre-printed nameplate sticker + black box) delivery TÜV certificate + all necessary conversion parts modified vehicle parts 1) Replacement of the original CDI by Power + Box (without map, performance gain is achieved via modified exhaust). alpha Technik box and locking plate are used to maintain the 45 km / h top speed. 2) Disassemble the exhaust and remove the reducer sleeve 3) Replacement of the original main nozzle with supplied # 82 nozzle