Originally Posted by MotorBicycleRacing
What does that have to do with the OP's question about the WI 30 mph limit?
It is very easy to gear a 66 cc or 48 cc bicycle engine or other kits so that
they can't exceed 30 mph and it wouldn't take a 50 tooth sprocket to do it.
The standard 44 tooth sprocket will barely hit 30 mph so gearing it with
a readily available 48 tooth would make it impossible to go over 30 with a
First of all the OP asked about kits in the original question. So I mentioned a couple of good dealers to consider. These guys will even talk with you on the phone and help you with your needs.
Here is something the moderators advised me on when I first joined here: if you're going to quote statutes put the name of the state above the statutes. This eliminates confusion by other readers in other states. I'm just passing on advice which was given to me.