Bike Parts & Components – Find Bike Brakes, Chains, Derailleurs & Wheels at Performance Bike

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Bike Parts & Components Whether you're building a new ride from the ground up or upgrading your old bike, Performance® has a complete selection of road bike parts and mountain bike parts to do the job right. We've got forks, seatposts, stems, handlebars, brakes, saddles, shifters, derailleurs, cranksets, handlebar grips, pedals, wheels, wheel accessories for your road or mountain bike…virtually everything you need!