Sunrace Sturmey Archer has been producing bicycle drivetrain components since 1972. Through the many years we believe we have developed some of the best bicycle components your hard earned dollars can buy. Our components are found on all of the major bicycle manufacturers in the market. Whether you are looking for a top notch replacement component for your every day commuter or a light weight component for your race bike, we have something for you. Our chains are time tested winners. The top of the line models feature chromed pins and rollers to help things move smoothly. Also featured on these models are Teflon coated chromoly hollow plates to help keep the weight down.