London Transport Bicycle Docks near Trafalgar Square

A new bicycle rental system went into effect in July 2010. Operated by London Transport, information is available at this website; http://www.tfl.gov.uk/roadusers/cycling/11598.aspx

Here is the link to the map showing a good many ‘stations’ where you hope a good bike is available.

http://maps.google.co.uk/maps/ms?ie=UTF8&hl=en&msa=0&msid=110377225760210522619.00048b46133a0cea9ec10&source=embed&ll=51.514725,-0.139046&spn=0.074779,0.157928&t=h

and here are the locations near Trafalgar Square where…

Charles II Street, @ Haymarket, SW1

Craven Street, WC2 @ Charing Cross

Embankment (Horse Guards), SW1

Little Newport Street, WC2, @ Charing Cross Road

Northumberland Avenue, close to Embankment, I think

Pall Mall East, @ Cockspur SW1

Panton Street, SW1, southwest of Leicester Square

St. Martin's Lane, WC2, @ Long Acre

St. Martin's Street, WC2, behind the National Gallery, (this might be your best bet).

Waterloo Place, SW1

Whitehall Place, @ Embankment

William IV Street, near the Strand