The campagnolo veloce bicycle chain 10 speed allows for silent and fluid pedalling it boasts a hd link system which protects you from any risk of the chain not keeping traction at the point closure with 114 links the chain will prevent energy dispersion lm features campagnolo veloce bicycle chain 10 speed aids silent and fluid pedalling hd link system which protects you from any risk of the chain not keeping traction at the point closure prevents energy dispersion 10 speed