Originally Posted by
JimboMartin
Thanks Stan! Would you happen to know the diameter of the seat tube? Maybe I can compare the two by counting pixels.
Cheers,
Jim
The seat tube outside diameter for both standard diameter tubing and OS tubing is the same: 28.6mm.
Digital calipers with accuracy of +/- 0.02 mm are really inexpensive (
6 inch Digital Caliper | Harbor Freight).
This chart may help...