ITEM NAME:Ec90 Aluminum + Carbon Fiber Riser Rod Stem Carbon Fiber Bicycle Ultra-Ligh B9A2 Ec90 Aluminum + Carbon Fiber Riser Rod Stem Carbon Fiber Bicycle Ultra-Ligh B9A2 100% of all carbon fiber material is qualitative Mountain road car vehicle range ... UD Matt New full carbon fiber lighter intensity is stronger 3K WOVEN's carbon cloth and aluminum alloy combine to make the handle strength better and the appearance more beautiful and fashionable. connecting the front fork diameter of 28.6mm Pick up the transverse diameter of 31.8mm colour:black Material:Aluminum alloy + carbon fiber size:6 degrees, length 60mm Package Contents: 1 * Bicycle Stem