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Re: Chain rubbing issue [TriBriGuy]
Thanks for the info... does the following look right concerning my 39/53 - 12/23 gearing setup? The bold area indicating the unusable gears... 650c's....

12 13 14 15 16 17 19 21 23

39 83.2 76.8 71.3 66.5 62.4 58.7 52.5 47.5 43.4

53 113 104.3 96.9 90.4 84.8 79.8 71.4 64.6 59
Last edited by: MultiSport PDX: Mar 25, 03 10:59

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