CP says:
"Special front sprocket sleeve to convert 3 speed J Range + Luna Line Lambretta models (Lui 50 + J50 + Cento + J125) to 4 or 5-speed!"
Product safety information
Manufacturer information:
Rimini Lambretta Centre
Via delle Industrie 13
47824 Poggio Torriana
Italien
info@riminilambrettacentre.com
www.riminilambrettacentre.com