Rataspakka SunRace CSMZ903 12-speed 11-51T metallic

SunRace builds high-quality bicycle parts trusted across MTB, race, e-bike, city and kids bikes, with a broad range including gears, cassettes, cranks, chains and more. Founded in 1972 in Taiwan, the products are known for reliable performance and wide compatibility with major bike systems. Designed to deliver dependable shifting and durability without compromising value, gear up with parts that keep your ride smooth and responsive.