Bicycle Wheel on Incline with Lockable Hub (1Q20.35)

Description:

A bicycle wheel with a center hub that can be left free to rotate or locked to the wheel rolls down an incline on the hub. When the hub is locked, a large amount of energy must go into the angular momentum of the wheel as it rolls, so the translational velocity is much lower than with the hub free.

Procedure or Operation Notes:

Lock or release the hub via the screw on the back: