30 miles for me so far, I've only got to nurse it another 20 miles to get it home
I'm not an expert on these things, but mine had a lot of play in it, and the local shop couldn't fit me for a while, so planned to take it to a remoter location. However a few days it failed catastrophically and the bike was unrideable. Lucky I was less than a mile from a station, that took me to a station near the local shop. I went to leave it with them until they had time to attend to it, but - bless them - they fixed it on the spot.
I wouldn't go on a long ride with a dying BB.
I made it back, but as I removed it it fell apart, and spilled ball bearings all over my kitchen floor. It was finished after all. Hey ho, it did about 12000 miles and the bike cost bugger all. That's the beauty of having a rubbish winter bike
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good old Decathlon to the rescue. I know what I'll be fettling tomorrow.
I replaced an Ultegra bottom bracket about 3 weeks ago which had developed some play in it, but it was still spinning fine. I put it in about 8 years ago. It must have done about 60k miles. The new one has transformed the bike to like new again. A really easy job too as it came out really easily as I used quite a bit of anti seize paste plus I have removed it a few times and refitted when doing a complete service to make sure the cups haven't seized due to water ingress along the threads.