Carbon fibre immediately indicates a component's competitive spirit. So just imagine if the component in question is the very soul of the racing bike: the rear derailleur. The carbon front link says it clearly: the Chorus™ groupset is designed for racing. Available with a short or medium cage, to interface perfectly with double and compact cranksets.
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If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or fitted.More information on returns