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Old 12-26-09, 10:58 PM   #1
shawng67
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crank arm length

k im alil outa the loop but i wanna take jr racin, got him a vintage mini. its got 152's on it but they are way too long for now, i know theres a certain way to find out how long they should be but i cant remeber, with adults it has to do w seat heights and frames but this bike is tinyfied and so should they go halfway up his calf or does anyone know? probly have to ask a road guy huh
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Old 12-27-09, 01:18 AM   #2
CMcMahon
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http://www.maineventpress.com/subpage.html

Inseam(")/Crankarm(mm)
20/140
22/150
24/160
26/166
28/175
30/180
32/185
34/190
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