Does this sound mean the bearings are going? I've at least put 13000 miles on the bike in the last two years. Total mileage since 2017 is unknown. Time for a new bottom bracket?
2017 Trek. Original BB. The loud beep/tick is the Duo cadence but I'm wondering about the overall sound.
byu/RacecarWRX inbikewrench
by RacecarWRX
1 Comment
I bet the new bb won’t sound like that. Sounds like there’s no more grease in the bearing and maybe a little sand or dirt instead. Not uncommon. Not super detrimental to function, but it will get worse and eventually drag and start adding excess resistance.