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WikiNerdia



 

WikiNerdia is a resource offered by Giantnerd® in an effort to help build a community where everyone can share knowledge in an open and honest way about products, brands, and terminology. This is a call out to all nerds in the know; help out the less experienced adventurers, pass your knowledge on or it will be lost forever! Add to it and make edits as you see fit. As with everywhere else on Giantnerd®, your collaboration will shape the way members treat and view products, categories, and the outdoor lifestyle—it’s critical to making the Giantnerd® community the best shopping site on the social web!

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Compact Crankset

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A compact drivetrain refers to cranksets with a smaller bolt circle diameter then the standard 130mm found on 53/39T cranksets.  The compact crankset provides a perfect gearing option with 50/34T chainrings that allows the rider to climb with greater ease without compromising performance on the flats and descents.  In the 2010 Giro de Italia, the use of compact cranksets allowed racers to conquer climbs that were not thought rideable including the Monte Zoncolan, rising 4,000 vertical feet in just over 6 miles.