SHIMANO DEORE XT - Chainring - DYNAMIC CHAIN ENGAGEMENT+ - 12-speed. SHIMANO's DEORE XT SM-CRM85 stiff and lightweight chainring delivers smooth pedaling over bumpy terrain. The SM-CRM85 chainring features SHIMANO DYNAMIC CHAIN ENGAGEMENT+ technology, which features special gear teeth profiles that deliver exceptional chain engagement and chain retention
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Très bonne qualité !