Bike Forums - View Single Post - Surly hubs & ISO vs. English, what gives?

12-23-08, 11:40 PM

#10

eaglevii

FG 48x17

Join Date: Jan 2006

Location: El 'Burque, NM

Posts: 289

Bikes: Lemond Road, IRO Rob Roy, Rush Hour Fixie

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Quote:

Originally Posted by planyourfate

Got this reply today.
Thank you for your interest in Irocycle. The IRO cogs are english
threaded. Thanks.

Thanks. Of course, as a materials engineer at work point out, just how good are the tolerances on a $25 cog? The spec is 5 thousandths different, but what is the +/- that they are machined to? It could mean they are closer, or it could mean the difference is even worse.

Now I just have to decide if I drop $30 on a Surly cog and sell the IRO for $20 on eBay, or if I say the hell with it, and put it on the hub. For the $10 difference, I think peace of mind might be worth it.

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