Tubes (inner) Other Sizes

24" x 1 3/8" / 24 x 1 1/8" / 600 A" This is a size used on some juvenile lightweights, early Terry bicyles and imitators, most wheelchairs. Frequently confused with the 520 mm size. Note that both 520 and 540 are sometimes labeled 24 x 1 1/8". Available in Schrader (standard) or Presta (narrow) valve.

This size is commonly found on English, Chinese and Indian "roadster" bicycles with "rod brakes" under such brand names as: Dunelt, Raleigh, Rudge, Humber, Phillips, Flying Pigeon.

349 mm (16 x 1 3/8") This is the size used on older Moultons, Bromptons and other folding bikes and the front wheel of some recumbents, and on Greenspeed folding trikes.

This size fits French Touring, Utility and Tandem Bikes. Also some Schwinns (Marked 26 x 1-1/2") 32mm Presta (narrow type) valve. ISO size: 584 x 35-43