The Street > The Bike Shop
Steerer Tube Threading/Compression Bolt Size and Fork Failure
14thStbikes:
--- Quote from: red_spectre on January 27, 2015, 12:19:49 PM ---
--- Quote from: 14thStbikes on January 27, 2015, 11:53:30 AM ---Just a guess, but I would imagine Odyssey and their designers have decided against welding a nut in the steerer as to not add more heat/stress to the area when applying said nut.
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If I remember correctly, Odyssey and Sunday forks used to use M18 bolts and switched more recently to M24. I am curious if this was a result of issues from welding in the steerer (heat/stress, like you say) or if this was a cost saving technique (I imagine welding is more costly than threading?).
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I bet it is a good bit cheaper to not weld a nut in place. Also lighter if you just thread the steerer tube.
I think they have used threaded steerers since the classic race/dirt forks came out, but I could be mistaken.
weedbix:
I'd wager that 25 is so prevalent due to so many forks being a quick tweak of something out of a catalogue
--- Quote from: 14thStbikes on January 27, 2015, 01:02:09 PM ---I think they have used threaded steerers since the classic race/dirt forks came out, but I could be mistaken.
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They switched away from H18 (I think it was) for the 07 forks
red_spectre:
--- Quote from: sans.terre on January 27, 2015, 12:53:06 PM ---
--- Quote from: red_spectre on January 27, 2015, 12:14:54 PM ---
--- Quote from: Stoked on January 27, 2015, 11:52:34 AM ---haha yes, sparky's literally keeps 25mm alive
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Bonedeth, Mutiny, Shadow and Subrosa do all use 25mm...
But so do Colony, Deco, Demolition, Fly, Kink, Macneil, Premium, Snafu, Stolen, Total, Verde... (as far as I can tell).
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statistics will be taken into account as soon as someone actually runs something from one of those brands
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There are definitely people running forks from Colony, Demolition, FBM, Fly, Kink, and Volume (among the others that I listed which I personally would not touch with a ten foot pole) and all are 25mm.
FBM, for instance, would not be using a catalogue part - so why use 25mm? Seems strange.
JFax:
More likely, I can see that. But do forks really fail here? I cannot recall seeing a fork failing here.
sans.terre:
i kinda purposely took FBM out of the list hoping noone would mention it lol
maybe they just dont have a tap that size laying around the shop?
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