I wouldn't trust a magic gear setup for fixed (that's paranoid me) so I'd build the rear wheel around one of these: http://www.whiteind.com/ENO-hub-specs.html
@hippy started
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I wouldn't trust a magic gear setup for fixed (that's paranoid me) so I'd build the rear wheel around one of these:
http://www.whiteind.com/ENO-hub-specs.html