No need for steel. 2-3 times as heavy and more expensive. Alu is cheap as.
http://www.bike24.de/1.php?content=8;navigation=1;menu=1000,4,122;product=31752
@Zdrenka started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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No need for steel. 2-3 times as heavy and more expensive. Alu is cheap as.
http://www.bike24.de/1.php?content=8;navigation=1;menu=1000,4,122;product=31752