Chain

[Landin]

Ok, I wanna order a new 15 T sprocket, but there are one 525 or 530, what is that? And what is the original that I have now?

 

[b-eock]

525 is the original if I'm not mistaken.

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[Landin]

And if you are mistaken?

 

[DJK1505]

Your stock chain size is a 525.