Not easy to rust: The surface is chrome-plated, which is not easy to rust and has a long service life.
DURABLE MATERIAL: This cassette is constructed of high strength steel, anti-rust, non-deformation, wear-resistant, high performance of durability.
SPEED PROMOTION: Providing fast riding speed with less effort needed, reliable to use.
PRECISE: High precision thread ensures close connection with the bike hub and smooth operation.
NO NOICE: The 12 speed cassette can promise smooth rotation of chain without much noise.