fairly good simple little bike easy too work on plenty of parts available, can be tuned to do 45 mph beleive me thats al they will do on the flat, 60 mph was downhill with the wind behind it, if you are prepared to get your hands dirty and do your own maintenance a cheap bike to own and run , http://www.sixteener-special.com is a forum run by old farts dedicated to the sports mopeds of the late 70,s early 80.s tony and per have loads of restored and there is a cjhance to win an restored one worth a few quid on tonys website http://www.awcollins.co.uk/