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Made of high-quality iron and aluminum material, which is sturdy, durable, maximum torque, wear-resisting, and fast heat dissipation. 12T sprocket for #35 chain and 10T sprocket for 41/40 chain drive clutch bore 3/4"(19mm).
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.