The 650c size is used occasionally on road bikes, usually to allow a very small frame size without producing a conflict between the pedals and the front wheel.
ETRTO: 23-571. Minimum Inflation Pressure: 87psi. Maximum Inflation Pressure: 116psi.
Weight: 191g. Shipping Weight: 218g.
Moruya Bicycles. ABN 27 559 728 517. 10 Ford St Moruya NSW 2537 Australia.