Green’s Dictionary of Slang

1. a cyclist.

1891		‘’Arry on Wheels’ in Punch 7 May 217/1: Women don’t like us Wheelers a mossel.
1893		St Paul Dly Globe (MN) 17 Sept. 6/4: [headline] The Swift Wheelers, St Paul Cyclists Do Some Very Good Practice Work.
1900		Bulletin (Sydney) 10 Feb. 10/4: In British communities only does the woman-cyclist enjoy a free hand (or, rather, foot). [...] This explains why the female wheeler is decreasing in the British Empire, and increasing elsewhere.
1905		Hopkinsville Kentuckian (KY) 5 Oct. 1/3: The Whirling Wheelers, comic and trick cyclists.
1910		Seattle Star (WA) 29 Oct. 3/3: The Australian Wheelers are comedy cyclists.
1921		Eve. Public Ledger (Phila., PA) 8 Nov. 22/5: Other offerings are [...] the Wheelers, fancy cyclists.

2. (US Und.) a motorcycle police officer.

1949

Monteleone Criminal Sl. (rev. edn).

3. a driver.

1976

R. Barnes Coronation Cups and Jam Jars 206: Wheeler – Driver.