​​​​​​​​​​​​​​​​​​​​​​​​Specification:Material:copper fiber+wear resistant resinColor:as pictureMain Features:  Large grained resin material and pure copper filamentAdd the bulletproof vest material to improve the feeling of hand,while strengthening the wear resistanceMetal particles (pure copper)improve braking and heat dissipation efficiencySuitable for daily,short-distance,light cross-country cyclingNote:Please allow 0.1-1cm differences due to manual measurementDue to the difference between different monitors,the picture may not reflect the actual color of the item.Thank you!Package Included:1xDisc brake padNO Retail Box.Packed Safely in Bubble Bag.