You can use a fixie for whatever the hell you please. I know a few fixie riders who TT on fixed - although one of these is The Torque Master - AKA my hero, Fixed Phil. He is really responsible for my ownership of two of the damned things and me doing a 50 mile charity event on a 70" fixed on Sunday (and another, tougher, 67 mile one next month that will finish with a killer 15 miles back home again).
Personally I'd recommend somewhere around a 68 - 70" gear, Munky. I know that's not like the huge 80"ers most of the TT mob use, but you'll get 20mph average out of a 68 at 100rpm, and as the bike leg is supposed to be your gravy train, you don't want to be thrashing yourself silly pushing a big gear up to 30mph when you've got the run to do afterwards.
Mind you, I'm biased towards a slightly smaller gear by the hills round here. I suppose it's pretty damn flat round Wellington.
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timeasmymeasure
no subject
Date: 2006-05-05 02:59 pm (UTC)Personally I'd recommend somewhere around a 68 - 70" gear, Munky. I know that's not like the huge 80"ers most of the TT mob use, but you'll get 20mph average out of a 68 at 100rpm, and as the bike leg is supposed to be your gravy train, you don't want to be thrashing yourself silly pushing a big gear up to 30mph when you've got the run to do afterwards.
Mind you, I'm biased towards a slightly smaller gear by the hills round here. I suppose it's pretty damn flat round Wellington.