DNP 9-speed Freewheel

DNP 9-speed Freewheel. He replaced his Shimano Megarange 7-speed with a DNP 9-speed threaded Freewheel. 

He replaced the Megarange because the sudden change makes handling more difficult. The shifting of the DNP gears are not so smooth. 
https://youtu.be/rPUV48z6Qrs

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