Aug 08, 2014 at 02:12 PM
it was 35mm for Masters at Nationals this year
see the bottom of page 3
https://s3.amazonaws.com/USACWeb/forms/natchamps/2014/2014-Cyclo-cross-Eligibility-Rules-Call-ups.pdf
see the bottom of page 3
https://s3.amazonaws.com/USACWeb/forms/natchamps/2014/2014-Cyclo-cross-Eligibility-Rules-Call-ups.pdf