yea that's not something that changes, is the axle nut loose? tensioners slipping? What's the bike? chain fiunal drive? maybe the sprocket is offcenter, tugging the wheel periodically out of alignment and also making a leaping surge feeling?
yea that's not something that changes, is the axle nut loose? tensioners slipping? What's the bike? chain fiunal drive? maybe the sprocket is offcenter, tugging the wheel periodically out of alignment and also making a leaping surge feeling?
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