RocknRolla Posted June 23, 2020 Share Just checked. The BB was serviced in Sept 2019. Not sure if I want to take the bike back and risk more damage if this is how a BB Cup is installed. In fact, I think I'm done with the service provider. DieselnDust 1 Link to comment Share on other sites More sharing options...
DieselnDust Posted June 23, 2020 Share Cups should be pressed in with the bearings by pressing against the cups not. The damage to the cups suggest a hammer was used to drive it home flush with the BB shell face. Thats not correct. If going for the Wheelsmfg BB the deep groove ABEC-3 bearings options are more cost effective than the ABEC 5 angular contact bearings. These are not necessarily better since they require the crank to provide preload. If your crank does not have the range of adjustment in the preload mechanism then the ABEC 3 DG will probably be the better choice. An ABEC 5 AC that isn't preloaded properly won't last very long Link to comment Share on other sites More sharing options...
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