jfogy - The OCR 3 comes with the Shimano Sora group. In order to upgrade the components on this bike, you will have to change everything: rear wheel, cassette, rear derailleur, shifters. If you change these you might as well change front derailleur, bottom bracket and crankset. In most shops, this would amount to a total overhaul (approximately $160) in labor. Parts would be extra.
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Thread: new bike vs. component upgrades?
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07-27-2007, 04:18 AM #7
formerly "bikemom"
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Last edited by bike4ever; 07-27-2007 at 05:42 AM.
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