WHAT DOES GAS POWERED MINI TRIKE MEAN?

Freehub (Rear Wheel Only) – the element in a modern bicycle’s rear wheel hub that enables the wheel to spin freely when coasting, but engages the drivetrain when pedaling. The cassette slots on to the freehub body.The drivetrain refers to many of the parts of the bicycle which happen to be utilized to drive it forward. The three main brand name