Check/replace your bottom bracket. I’ve owned a couple of stumpy’s and have had the same problem on each one, even on my 2013. I’d bet money that’s your problem. other then that they are great bikes.
Check/replace your bottom bracket. I’ve owned a couple of stumpy’s and have had the same problem on each one, even on my 2013. I’d bet money that’s your problem. other then that they are great bikes.