Hi. my seat tube outer diameter is 100mm, i measure this by using a string and measuring the length of the string. what is the ideal size for my front derailleur? 28.6? 31.8?
need help!!!
thanks.
percy
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Hi. my seat tube outer diameter is 100mm, i measure this by using a string and measuring the length of the string. what is the ideal size for my front derailleur? 28.6? 31.8?
need help!!!
thanks.
percy
Quoted post said:Originally posted by percy
Hi. my seat tube outer diameter is 100mm, i measure this by using a string and measuring the length of the string. what is the ideal size for my front derailleur? 28.6? 31.8?
need help!!!
thanks.
percy
Well, when I divide by 3.1416 I get 31.8.your abacus might have different numbers in it.
Quoted post said:Originally posted by boudreaux
Well, when I divide by 3.1416 I get 31.8.your abacus might have different numbers in it.
🙂
cool! actually i was using bamboo sticks...
thanks...
percy
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