•Material & Process:T6061 aluminum alloy +high quality National standard 45# steel.High-precision instrument processing, anodizing. More beautiful and durable
•Electrophoretic Coating:Forms protection on the surface of the chain,The sprocket is more resistant to corrosion and wear, and does not rust.And full of texture.
•Strict Craftsmanship:Multiple high temperature quenching heat treatment,The wear resistance is 3 times that of ordinary sprockets.
•After-sales service: We provide after-sales service, if any problem, please do not hesitate to contact us at anytime, we will try our best to find out best solution