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Chain and sprockets have to work in perfect harmony: this is why the profile of the Ultra-Drive teeth is optimised. The result is perfect synchronisation, action and rapid shifting. Technical Specifications: steel Ultra-Drive single sprockets galvanized supplied with lock-ring Weight: 258g.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.