Axle Diameter on Track Hubs
12-05-08, 01:03 AM
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Axle Diameter on Track Hubs
I'll save the long agonizing story that preceded this posting. Tonight I found that the axles for Surly and Formula track hubs require different sized bolts than most bolt on wheels. I also found that bolts for Formula track hubs are even different from each other. I went to the Formula website and saw a description for axle diameter as M9 on 2 of their track hubs and M10 on another. Is this some kind of industry standard? I tried going to the Surly website to find out information on their axel diameter but couldn't find anything. The reason why this concerns me so much is I ended up losing a bolt for a Surly hub and replaced it with one from my Formula hub. I don't want to find out later that this was the wrong size! Thanks in advance to anyone that can provide more information.
Last edited by vinnydelnegro; 12-05-08 at 01:49 AM.
12-05-08, 02:31 AM
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I think I may have answered my own question. I think the Surly and Formula front hub should have 9mm axles with 1mm threading. Rear hubs have 10mm axles with 1mm threading. Anyone care to confirm?
12-05-08, 11:34 AM
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