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  • So I just found out I have a TA axix bb in my track bike, not a miche bb like I thought I did. The TA is the perfect size with replaceable standard 6903 cartridges, only problem is mine are well cooked...how do you take the bearings off the axle and remove the one from the cup? What's a suitable replacement? I'm in australia so was gonna go for these.

    Edit...got them off with a bit of hammer persuasion. Time to measure the suckers.

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