Features: * fresh and high-quality *Aluminum alloy material, CNC technology, strong and firm, very sturdy *A super accessory for cyclists Product parameters: *Material: Aluminum alloy *Size: BCD44MM *Color: black, red Package list: 1 pair Center Lock Cover Ring Note: 1 The real shade of the thing could also be slightly diversified from the photographs proven on web page caused by many factors akin to brightness of your computer screen and lightweight brightness 2 Please allow slight guide measurement deviation for the data