June 14th, 2016, 06:08 PM
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#23
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Vintage Screwball
Name: B
Location: Washington
Join Date: Feb 2016
Motorcycle(s): 2011 Ninja 250, 2008 Ninja 250, 2019 KTM 1290SDR, 2017 FZ10
Posts: A lot.
MOTM - Mar '16
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Quote:
Originally Posted by subxero
ahhh no
the 140 is the width of the tire, the next number is the aspect ratio or height in % of the width. So a 140/70 17 140(width in mm)/70 (height 70% of 140mm = 98mm) 17 (rim diameter in inches)
With that being said a 130/70 17 would have an aspect ratio of 70% of 130mm = 91mm
98 - 91 = 7mm so a 140/17 17 would be 7mm higher than a 130/70 17 if they were the same tire other than size.
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130/60 is what was ZeroGravity posted here. 60% of 130 is 78. 98-78mm = 20mm. half of that is 10mm.
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Goin' fast on slow bikes!
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