Two pack of DID 520 O-ring for sale at $20 each.interested call 96986602.thank.
does it comes complete >>> chain N 2 sprocket ???
] DID O ring whrere got include spocket 1?
DID 520 itself got recommended sprockets that come as a set.
oic , me new bird, dun noe things 1, must zhao kor zhao kor
