Green’s Dictionary of Slang

clever Mike n.

[rhy. sl. = bike]

a bicycle.

1960		J. Franklyn Dict. of Rhy. Sl.
1969		S.T. Kendall Up the Frog.
1992		R. Puxley Cockney Rabbit.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.