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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 09-09-10, 03:11 PM   #1
PedallingATX
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Formula Splined Hub

http://zlogblog.com/2010/09/zlog-exc...nterlock-hubs/

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Old 09-09-10, 03:21 PM   #2
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Great idea for the no brakes crowd.
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Old 09-09-10, 03:46 PM   #3
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formula

nice.

hardware looks good.
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Old 09-09-10, 04:04 PM   #4
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That looks pretty great. I'd give it a go.
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Old 09-09-10, 04:29 PM   #5
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I wouldnt buy a wheel just for this.
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Old 09-09-10, 04:34 PM   #6
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Its solves the problem of stripped cog threads (which isn't really much of a problem) but introduces a new potential problem. The miniscule rocking back and forth of the cog can loosen the lockring. I've seen it happen. A bolt-on cog is still the best solution.
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Old 09-09-10, 04:53 PM   #7
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Its solves the problem of stripped cog threads (which isn't really much of a problem) but introduces a new potential problem. The miniscule rocking back and forth of the cog can loosen the lockring. I've seen it happen. A bolt-on cog is still the best solution.
I think this design with many more fine splines instead of the coarse design used on the Miche system should avoid the play that can cause loosening of the lockring.
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Old 09-09-10, 05:00 PM   #8
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ramp angle and machining quality probably means more than the number of splines.

my splined white industries hub stays tight. i have a brake, but i almost never use it and the bike has quite a few miles on it.
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Old 09-09-10, 06:12 PM   #9
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Why more proprietary?????????????????
Really though, I would get behind bolt-on before this.

Cheers
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Old 09-09-10, 07:11 PM   #10
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Why more proprietary?????????????????
+1
Why not do something like Sturmey-Archer s3x and have a splined hub with threads too?
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Old 09-09-10, 07:26 PM   #11
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Iso.
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Old 09-09-10, 08:07 PM   #12
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Meh, In many many years of riding fixed on the street, on my mtb, and on the track, I've never had a cog/lockring slip. This, much like the White Industries splined ENO system, is not really necessary or much of an improvement over the traditional cog/lockring setup.
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Old 09-09-10, 09:30 PM   #13
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Meh, In many many years of riding fixed on the street, on my mtb, and on the track, I've never had a cog/lockring slip. This, much like the White Industries splined ENO system, is not really necessary or much of an improvement over the traditional cog/lockring setup.
Well, I've never had loosening / stripping problems with traditional screw on cogs either, but I can tell you that changing gears on the track with them is a PITA, and a splined system makes it a lot easier. You don't have to tighten the lockring nearly as much, and there is much less likelihood of stripping the lockring threads. You also don't need to mess around with a chainwhip and a compact lockring tool provides plenty of leverage.
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Old 09-09-10, 11:01 PM   #14
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Well, I've never had loosening / stripping problems with traditional screw on cogs either, but I can tell you that changing gears on the track with them is a PITA, and a splined system makes it a lot easier. You don't have to tighten the lockring nearly as much, and there is much less likelihood of stripping the lockring threads. You also don't need to mess around with a chainwhip and a compact lockring tool provides plenty of leverage.
I agree completely, while the old style isn't broken per say, it can stand a good deal of improvement. I think that the bolt on system has slightly more merits, but I've had only very limited exposure to either the bolts or the splines. Regardless, a measure of competition is a good thing.
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Old 09-09-10, 11:14 PM   #15
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I hope the price stays in Formula's traditional economical price range.... but otherwise looks good. I honestly would jump on these when they come out but I still have 2 wheelsets laced to phil that I still have to justify...
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Old 09-10-10, 02:15 AM   #16
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why cant they do the iso 6 bolt? to many standarts - afraid there are no cogs around for this hub in a few years...
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Old 09-10-10, 03:51 AM   #17
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The ISO 6-bolt pattern will only allow cogs as small as 16t, or 15t with special bolts. A better design would be a splined or slotted hub/cog interface with a few bolts holding it on rather than a lockring. Level is the only one doing this and it makes more sense than any of the other proprietary systems out there. No chance of slipping, stripped threads, or a lockring working loose, and the only tool it takes to change cogs is a tiny 1 inch long multi tool that fits in your jersey pocket.

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Old 09-10-10, 05:13 AM   #18
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but smaller than 16t wears out my chain to fast anyways. iso disc seems to be at least kind of standard where the level and charge type might disappear in a few years and the cogs cost a way more too.
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Old 09-10-10, 06:49 AM   #19
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but smaller than 16t wears out my chain to fast anyways.
Yes, I know what you mean, but track riders use smaller cogs so its doubtful that ISO 6-bolt will ever become a standard for track hubs. I use an ISO 6-bolt set up on my FG MTB, and it works fine. However, the beauty of the Level type hub is that the bolts are not subjected to shearing forces, unlike an ISO six bolt setup. This means you can use fewer and smaller bolts. Its stronger with fewer parts and less weight.
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Old 09-10-10, 07:26 AM   #20
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Yes, I know what you mean, but track riders use smaller cogs so its doubtful that ISO 6-bolt will ever become a standard for track hubs. I use an ISO 6-bolt set up on my FG MTB, and it works fine. However, the beauty of the Level type hub is that the bolts are not subjected to shearing forces, unlike an ISO six bolt setup. This means you can use fewer and smaller bolts. Its stronger with fewer parts and less weight.
Yes. The most common size cog for track racing these days is 14T, and I also use 13T and 15T on some occasions. I use a 16T for warmup. This works out to about 80gi for warmup and 90gi for racing. On the road, however, I have no need for anything smaller than 16T, since my gearing very rarely exceeds 70gi.
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Old 09-10-10, 02:08 PM   #21
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Bolt on still wins I think.
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Old 09-10-10, 04:05 PM   #22
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i agree about the lack of need for another proprietary system... and i would trust the WI version more than this one (though part of that reason is they make awesome stuff).


other than that, it is a very sexy hub.
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Old 09-11-10, 11:01 AM   #23
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Maybe they should make one side splined and one side traditional screw on.
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Old 09-11-10, 11:33 AM   #24
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The ISO 6-bolt pattern will only allow cogs as small as 16t, or 15t with special bolts.
Not even 1 tooth more, as in 17t?
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Old 09-11-10, 11:48 AM   #25
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yes as in 15 and higher!!
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