12 spring(s)Product descriptionFaro Basso, Fender Light ?C THE vintage Vespa icons, without a doubt! Regrettably the few remaining classic Vespa Wideframe models tend to be restored to their former glory, conserved and no longer seeing on the road ! Which is understandable when confronted with a maximum speed of around 65 kph and fragile engine components! Its been fascinating to observe the current technological developments that have been evolving for this scooter type on the German-speaking scooter scene. A reliable motor with adequate amounts of torque (10PS) is now possible. DRT have decided to assist in this with the production of suitable gear cogs. This set of output shaft gear cogs ‘DRT 807’ comprises of cogs with 13-13-17-21 teeth respectively and is part of a four-speed gearbox upgrade. This kit enables the original three-speed gearbox included with the Vespa 125 VM/VN/150 VL/VB1 to be upgraded to a four-speed type for an improved exploitation of any extra power available and