I got an lbs to swap my cassette while they were already dealing with some bits. I asked them to swap like with like (34t) and it took me months of struggling up certain climbs and wondering what was wrong with my legs before I realised they’d stuck a 28 on.
A guy at my office got his road bike serviced at Ev*ns and realised on the ride home they had swapped part of his 10 speed drivetrain out with 9 speed components...
I got an lbs to swap my cassette while they were already dealing with some bits. I asked them to swap like with like (34t) and it took me months of struggling up certain climbs and wondering what was wrong with my legs before I realised they’d stuck a 28 on.
Csb etc.