... ) 18MM*14MM 2) 10G 3) Orange 4)Copper Performance D shape roller of 150cc atv engines and transmissions These parts fit for ... ,125cc,150cc,800cc,350cc,500cc,400cc,etc The detail specification of it as following:1) 18MM*14MM2) 10G, other weight are ... engine is 12.8G3) Orange ,other color are avaibale4) Copper performance roller of 150cc atv engines and transmissions