I recently built up a set for a petite female rider but think they were 650c rather than 650b. They were Kinlin. https://www.sjscycles.co.uk/rims-tape/kinlin-mx3t-650-571-rim-black-32-hole/ The frame was custom made to measure.
Why would anyone pick such a size these days? 11mm bigger than MB wheels and 13mm smaller than 650B, such a small difference vs a huge selection of tires for the alternatives.
Why would anyone pick such a size these days?
Because there are still some frames and wheels which would be your first choice for road race or Tri/TT. Try finding aero wheels in 559 or 584.
@withered_preacher started
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I recently built up a set for a petite female rider but think they were 650c rather than 650b. They were Kinlin. https://www.sjscycles.co.uk/rims-tape/kinlin-mx3t-650-571-rim-black-32-hole/
The frame was custom made to measure.