As far as I know, all 110mm BCD rings (also known as "compact" or touring rings) are a 5-bolt design. As are all 130mm, all 135mm, all 144mm, etc.Zaurusman said:How do you know if it's a 4- or 5-bolt? Just assume that if it's the wrong bolt number the diameter won't match up?
the bull said:Check out www.aebike.com
They have the best selections of chainrings I have ever seen.