Originally Posted by
jan nikolajsen
You all think that the canti studs on such a 650b frame will allow the use of 650a wheels? The latter has a 6mm larger diameter, meaning that the brake shoes need to be able to move up about a 1/4" from their designed center position. I'm not familiar enough with cantilevers to guess about this.
Naa- it's only 3 mm, which is slightly less than 1/8 inch, since it's the radius rather than the diameter. 650A will fit just fine.