how do you measure your bike?
09-11-03, 07:42 PM
#1
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how do you measure your bike?
Hello all,
I hope this isn't a silly question, but I must admit to being confused. I have a 56 cm bike that measures 56 from the center of the bottom bracket (BB) to the top of the seat tube (ST) 57 including the clamp. I was on eBay, and saw a 56 that was said to be measured from the center of the bottom bracket to the center of the top tube (TT). My "56" only measures 54 from the center of the BB to the center of the TT.
What am I missing?
Thanks,
Mike
I hope this isn't a silly question, but I must admit to being confused. I have a 56 cm bike that measures 56 from the center of the bottom bracket (BB) to the top of the seat tube (ST) 57 including the clamp. I was on eBay, and saw a 56 that was said to be measured from the center of the bottom bracket to the center of the top tube (TT). My "56" only measures 54 from the center of the BB to the center of the TT.
What am I missing?
Thanks,
Mike
09-11-03, 07:48 PM
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Some people use the center to center measurement and some use the center to top measurement. You have to know which is being used to really know which size frame they have.
09-11-03, 08:20 PM
#3
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It's not how *you* measure it. It's how the manufacturer does. There's no standard.
RichC
RichC
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Training: 2002 Fuji Roubaix Pro (105 triple)
Commuting/Daytripping: 2001 Airborne Carpe Diem (Ultegra/XTR, touring wheels)
Commuting/Touring: 2000 Novara Randonee (Sora/Tiagra/LX, fenders, lights)
Training: 2002 Fuji Roubaix Pro (105 triple)
Commuting/Daytripping: 2001 Airborne Carpe Diem (Ultegra/XTR, touring wheels)
Commuting/Touring: 2000 Novara Randonee (Sora/Tiagra/LX, fenders, lights)
09-11-03, 08:57 PM
#4
hello
For example....Cannondale & Trek measure their frames center to top of seat tube. Litespeed measures their frames center to top of top tube. Cinelli measures their frames center to center of top tube.
George!
George!
09-11-03, 09:39 PM
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Email the guy at eBay and ask him to measure the seat tube from center to center. That is from the top of the seat tube to the center of the bottom bracket circle.
-Dan the Man-
-Dan the Man-
09-11-03, 10:27 PM
#6
hello
Originally posted by ockey53
Email the guy at eBay and ask him to measure the seat tube from center to center. That is from the top of the seat tube to the center of the bottom bracket circle.
-Dan the Man-
Email the guy at eBay and ask him to measure the seat tube from center to center. That is from the top of the seat tube to the center of the bottom bracket circle.
-Dan the Man-
George!.....
09-11-03, 10:30 PM
#7
hello
Originally posted by mikemets5
Hello all,
My "56" only measures 54 from the center of the BB to the center of the TT.
What am I missing?
Thanks,
Mike
Hello all,
My "56" only measures 54 from the center of the BB to the center of the TT.
What am I missing?
Thanks,
Mike
