Bicycle Mechanics - Are 9s and 10s shimano replacment pins the same?
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01-15-10, 11:53 AM
Does anyone have a 9speed versus 10 speed shimano chain pin picture? I need to shorten the chain on my 9 speed mountain bike for a long ride tomorrow and have a replacement pin but don't know if its 9s or 10s. The discarded portion has three evenly spaced ridges but I can't find a image on the net that looks exactly like it.
Any help would be appreciated, I'd hate to make an unnecessary LBS trip.
01-15-10, 11:58 AM
I've been told "no" they are not the same. I have a little container marked "9 speed" and another marked "10 speed". Chain pins in each per my LBS.
I learned on one trip that there are two different replacement pins for 9-speed...one as you describe, with the 3 ridges, the other without the ridges. All I can remember is that the one without the ridges is the one I use for my Ultegra 9-speed.
Sorry if this just confuses things.
01-15-10, 12:04 PM
I'm usually heavily pro-Shimano, but KMC makes excellent "quick-links" for 8, 9, and 10 speeds. They are completely compatible with Shimano chains, re-usable, and very easy to use. You shouldn't have to pay more than about $5 or $6 for one.
01-15-10, 12:08 PM
Nevermind, I found it... wrong pin:
A= 7 or 8 speed connecting rivet
B= 9 speed connecting rivet
C= 10 speed connecting rivet for model CN-7800
D= 10 speed connecting rivet for model CN-7801
The cylinder below the deep groove is the bit that stays in the chain. Note how each is progressively shorter as the "speed" increases.
01-15-10, 02:25 PM
Go yo your LBS and get a Sram 8 speed quick link. They are reusable.
An 8-speed link for a 9-speed chain? Don't think so.
And I'd take KMC, Wipperman, or SuperLink over SRAM.
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