http://www.ebikes.ca/tools/spoke-calc.html
check the 'paired holes' option and measure the distance between them.
I don't know how reliable this calculator is however so don't blame me if it's wrong!
thanks, this is the best i've seen yet, looks hopeful
@Kit.M started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
Kit.M
http://www.ebikes.ca/tools/spoke-calc.html
check the 'paired holes' option and measure the distance between them.
I don't know how reliable this calculator is however so don't blame me if it's wrong!