7, 8, and 9 speed chains have the same inner width, but 9 speed chains have thinner outer plates for a thinner overall chain. So while a 9 speed chain works fine on a 7 or 8 speed drivetrain, it will be a weaker chain that tends to "stretch" faster. The only reason I can think of to use a 9 speed chain on a 7 speed drivetrain is to save a very minute amount of weight. Otherwise there are still very high quality 7 and 8 speed chains still available.
Can I use a HG-50 chain with a 7 speed Uniglide gearset?
I have an old GT Talera that needs a new chain and was wandering if this would work or do I need to try and locate a new UG-50 chain which is what is on it?
Thanks
Also, I have several bikes and they all are about due for chains. They all have 7/8 speed HyperGlide cassettes except for the GT(Uniglide). I was wanting to kinda get the same brand/model chain for all of them, if that is possible? Some of the bikes have different brand chains(KMC or Shimano IG narrow).
Can I put all HG-50 chains on all of these bikes with good results??
I just noticed that the Trek mtb has a Mega 9 rear derailleur but only has an 8 speed cassette. So I'm guessing that I will have to stay with the IG chain on this one, right??
Am I trying to make stuff too simple??
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