Ambiguous Frame Size is Ambiguous
#1
Senior Member
Thread Starter
Join Date: Nov 2011
Location: SGV, SoCal
Posts: 170
Bikes: Centurion Fixed Gear, 1987 Centurion Ironman Expert
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Ambiguous Frame Size is Ambiguous
So I have recently found out my frames are not ~54cm, but 56cm top tube length for my road bike and ~58cm top tube length for my fixed gear. Yup. Well, you learn something new almost everyday.
Why do you think bike manufacturers come up with crazy ways on measuring a frame? It seems ambiguous and inconspicuous if that measurement is referring to seat tube length from the bottom bracket to the top of the seat post or the top tube length. Isn't the top tube length the most important when considering a frame's size? Then follows the stand over height? Or am I missing something...
Why do you think bike manufacturers come up with crazy ways on measuring a frame? It seems ambiguous and inconspicuous if that measurement is referring to seat tube length from the bottom bracket to the top of the seat post or the top tube length. Isn't the top tube length the most important when considering a frame's size? Then follows the stand over height? Or am I missing something...
#3
Senior Member
Join Date: Aug 2009
Location: central Ohio
Posts: 926
Bikes: Schwinn Madison, Windsor Dover
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Just different ways to measure. Yes, in general top tube length is the more critical measurement but even that can be substituted some by stem length. Seat tube length is measured both ways - center to center and center to top, depending on the mfg. Just the way it is.
#4
Senior Member
Thread
Thread Starter
Forum
Replies
Last Post
Carson Dyle
Fitting Your Bike
5
12-09-14 12:28 PM