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Old 06-05-11, 07:22 PM   #1
Jamal
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I Need Help Determining if my Chain is Uniglide or Ultraglide

I'm working through the Haynes Bicycle Book, and I've come to a bit of a roadblock in regards to my chain. Here are three quotes from the book that I'll be referring to:

"There are two different types of derailleur chain - normal (standard) or narrow (ultra). They are not interchangeable. Most standard chains (with the exception of Shimano Uniglide chains) have flat plates with rivets that protrude from the sides of the plates approximatley 1/32-inch."

"some...chains must be treated specially when it comes time to separate a chain link. Chains marked HG (Hyperglide), UG (Ultraglide) or NARROW require a special replacement pin for rejoining the chain links (see Section 1c.2)"

"Before separating your chain, determine what type it is. If you see any markings such as HG, UG, IG or NARROW (and smooth rivet heads with no dimples), look for a black link pin. DON'T separate the chain here. These chains require slightly oversize replacement pins when rejoining them, and the black link is one of them. If you remove it, it will be a little looser when you put the chain back together. It will work fora while, but could fail under heavey pedal pressure."

So I looked on my chain. After cleaning a portion of it off, the only markings I could come up with were "Japan", "UG", and "VIA". Also, my outer plates aren't flat, but both sides bulge outward. Do I have a Shimano Uniglide, or an Ultraglide chain? And do I really need a special replacement pin from the LBS if I take the chain apart?

Thank you.
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Old 06-05-11, 07:23 PM   #2
operator
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How many speeds is that chain.
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Old 06-05-11, 07:34 PM   #3
Jamal
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May seem like a noob question, but I don't know. How can I tell?
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Old 06-05-11, 11:28 PM   #4
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Quote:
Originally Posted by Jamal View Post
May seem like a noob question, but I don't know. How can I tell?
Translated: How many gears are on the cassette (or freewheel)? (I'm betting on six...)

UG == Uniglide
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Old 06-06-11, 05:28 AM   #5
Jamal
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It's a freewheel, and there is 6. Thanks laura.

Do I need special replacement pins if I remove the chain, or chain I just push the pin back in?
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Old 06-06-11, 05:31 AM   #6
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Push it back in or get a master link.
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