THE BASIC PRINCIPLES OF BIKE ENGINES FOR SALE IN PAKISTAN

Freehub (Rear Wheel Only) – the component in a modern bicycle’s rear wheel hub which allows the wheel to spin freely when coasting, but engages the drivetrain when pedaling. The cassette slots on to the freehub overall body.Bottom Bracket Shell – the hole where by the seat tube, down tube, and chainstays meet up with, into which The underside