Phil Lucas from Rotor Bike Components explains the company's innovative elliptical Q-Ring chainring designs and complete cranksets at Interbike 2011. www.rotorbike.com www.interbike.com
Tags: interbike, 11, Rotor, Bike, components, trade, show, expo, business, cycling, bicycle, biking, cranks, crankset, chainring, q-ring, gears, shimano, campagnolo, sram, bottom, bracket
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