Derbi Senda SM50 (2001 - present) ManufacturerDerbiPrice£2799Available from2001The SM has 17" wheels and bigger front disc over the Derbi Senda R.What it gains in road performance, it loses off itAn improved version of the already impressive Senda R, ready for the asphaltMPGpricepartsspecstop speedspecificationsbhphorsepowerexhaust