• I have an old 90s deore LX m550 triple crankset which I plan to put on my claud butler tourer. I am aware that it requires a 122.5 length BB, The BB in my claud at the moment feels very solid, no play whatsoever and runs flawlessly so I am reluctant to spend money on a new one, However the axle measures perhaps 121mm, would this 1.5 different throw my chainline or shifting out? Any help would be great. Thanks

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