gas bicycle

Hi guys my motorized bike i bought a bunch of upgrades like the bbr thrust exhaust, performance carb with better air filter, new gas tank, new cylinder and cylinder head, and it keeps topping out at around 20mph im new to motorized bikes and just got this like a month ago and only been riding it...

Hi guys my motorized bike i bought a bunch of upgrades like the bbr thrust exhaust, performance carb with better air filter, new gas tank, new cylinder and cylinder head, and it keeps topping iut at around 20mph im new to motorized bikes and just got this like a month ago and only been riding it...

hello i am new here and i have been thinking about building a motorized bicycle for a few years now!!! and i just realized that there are some laws regarding gas motorized bicycles!! i just bought a 66cc bicycle kit although i am now considering returning it. it turns out you need to have a m2...