Originally Posted by
ejapplegate
Am I safe in assuming that a stem advertised as fitting a 1" stem and accommodating a 25.4mm handle bar would be the right choice? I have tried measuring, but without a caliper (and with not so good eyesight) it is a bit of a guessing game.
I'm presuming the 25.4mm is the clamp diameter.. if you have a drop handlebars, they could potentially be either 25.4mm or 26.0. if your handelbars are 26.0 at the clamp then that stem won't work for youo