- Road bike chainring help please.
I am looking to replace my chainrings. I have a Shimano 53 42 SG. It also says narrow chain. I am bit confused as to the choice, I have seen 130 mm bolt but not sure what mine is?
Do I have a double or compact? (New to this!)
I hope you can help.
Also any good places online to buy.
Thanks in advance.Posted 4 years ago
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