Joined: Jul 2015
Posts: 7,382
Likes: 3,226
From: NW Oregon
Bikes: 1982 Trek 930R Custom, '91 Diamondback Ascent w/ XT, XTR updates, Fuji Team Pro CF road flyer, Specialized Sirrus Gravel Convert, '09 Comencal Meta 5.5 XC, '02 Marin MBX500, '84 Gitane Criterium bike
best way to measure frame size these days is... from center of head tube near it's top, to a center point on the seat tube or seat post directly rearward from the head tube in a horizontal, level line.