Thread: David Millar (Garmin) riding some sort of Biopace type chainring?
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Old 07-17-10, 05:07 AM
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cobba
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Similar to what's on the Cervelo Test Team bikes, they use 'Q-Rings'

http://www.rotorbike.com/nueva/ingles/road_qrings_130bcd.htm

http://www.cervelo.com/en_us/testteam/testteam-bikes/
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