Bicycle Mechanics - Axle length for S-A AW hub?
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I've been given a bicycle with a broken S-A hub.
It's easily enough identifiable as an AW hub on the hub shell, but the left half of the axle is missing.
'How do I determine which length replacement axle to get?
Is the "internal" length the same, with only the protruding length being different(meaning I can measure the dropout width of the bike), or does the axle elngth have to match the hub?
01-16-10, 06:12 PM
Thanks, I know where to get them.
What I don't know if how to figure out which one I need, the 5 3/4 or the 6 1/4. Is it as simple as having enough to deal with the drop out spacing, or is there something more to it?
01-17-10, 02:30 PM
That depends on the frame. Ha ve you tried measuring the distance between the dropouts? If the bike is designed for fenders and such - I'd go with the 6 1/4" axle.
Well, if the center bit is always the same, then I suppose I can always cut a longer axle down if the excess protrusion would ever become annoying to me...
My intended source for parts claimed that there was a difference to the middle portion of the axle, but also said that he could tell by my hub shell that I needed the shorter axle - so that was what I ordered.
Anyhow, the new axle arrived with the sun pinion as an integral part of the axle, while the original axle apparently had the sun pinion fitted like a sleeve.
Anyone knows if these axles are interchangeable, or if I need to go looking for another part?
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