"10s – for classic Ergopower™ shifters - for double standard crankset - capacity 15 – max. chainring 54 - min. chainring 39 - light alloy fork with antifriction treatment. The Chorus front derailleur consists of an aluminium cage that has undergone special surface treatment aimed at reducing chain friction and abrasion. Besides weighing less, the greater stiffness of aluminium makes for crisper and more precise shifting."

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