WTB Dura Ace 7400 24 tooth cog for cassette
02-01-22, 05:56 PM
#1
Junior Member
Thread Starter
WTB Dura Ace 7400 24 tooth cog for 6 speed cassette
Hello, looking for the above in anything from good to NOS condition.
Thanks.
Thanks.
02-01-22, 10:02 PM
#2
Senior Member
I’ve got a Shimano 600 6-speed freewheel from the same era. Were the cogs interchangeable with DA 7400? If so I might be able to help
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Check out www.djcatnap.com for articles on vintage Japanese & French bicycle restorations, components and history.
02-02-22, 08:41 AM
#3
aka: Dr. Cannondale
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I have a 24 tooth Uniglide freehub cog if that's what you need. Appears new, not a DA piece but will shift just fine.
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02-05-22, 05:28 PM
#6
Senior Member
First: freewheel cogs and cassette cogs (including Dura-Ace) are completely different things. Zero cross-compatibility. Second: Uniglide cassette cogs can be flipped over, thereby doubling their life. Finally, Uniglide cogs, as in the early Dura-Ace were a great improvement over the primitive French and Italian cogs of the 70's and earlier. However, Hyperglide was another quantum level of improvement over Uniglide in terms of shift speed and reduced clatter.
As suggested earlier here, take a Hyperglide cassette which can be taken apart (small hex bolts, or rivets that can be ground down), and modify the individual Hyperglide cogs to fit on the Uniglide splines. A few seconds of grinding per cog to remove the offending single wide spline. Hyperglide cogs, when mated with a recent 7/8 speed chain, is worlds better than any slow and clunky Uniglide setup.
As suggested earlier here, take a Hyperglide cassette which can be taken apart (small hex bolts, or rivets that can be ground down), and modify the individual Hyperglide cogs to fit on the Uniglide splines. A few seconds of grinding per cog to remove the offending single wide spline. Hyperglide cogs, when mated with a recent 7/8 speed chain, is worlds better than any slow and clunky Uniglide setup.
