Broken o-ring on chanin

when the chain elongates, the pitch changes
ie: the distance between the rollers is greater

this causes the rollers to ride higher up on the sprocket teeth
you'll see wear not in valley but towards the peaks

I don't see that on this sprocket
so the chain has not been let go too far
 
Trials said:
Check these guys out, :LOL: they think they are selling aluminum chain:
"RK 520 Aluminum Race Chain and Sprocket Kit"
What they are actually selling is a heavy rubber ring sealed steel chain, a steel countershaft sprocket in the wrong size and an aluminum rear sprocket, so hopefully the buyers figure that out before they place an order.
Click to expand...


Dang can't believe how much a chain is... it says when I put in the type of bike it won't fit?
 
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