common?

Hi, New to the board. I have a few mini bikes.... 2 are just your avg mid 70s mini with a 3 horse on them. Have had the one since a kid. I came across this bike today, had to bring it home..... hadnt been run or moved in decades. Just wondering if anyone sold kits to turn bicycles into mini...

Hey guys, I was wondering. My sprocket is out of round or off centered. When you set the chain tension and cycle the tire, you can tell there is a big difference going on. If I set the tension at it's loosest point, say 1/2" to 3/4" play, then spin the wheel you will lose all play. I don't think...

are cat mini bikes like really common or somthing i have just been seeing a crap load of them latly?