If its SRAM Chainset, it’s a poor design which lets dirt get into the bearings. The bike I used last year on TCR had a new BB in April and I had to replace it on TCR, having covered less then 2000km, the BB shell was full of grit. Decent bike mechanics pack load of grease on the outside of the bearing in an attempt to stop sand from entering
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Already done that - I reckon it’s the same (ish) design, although this one is FSA.
GETS MY VOTE.