Features1Aluminum alloy construction delivers stability and durability. 2CNC high precision machining and fine workmanship, colorfast and anti-deformation. 3Matching 28.6mm standard straight tube fork or 1.5 standard taper pipe fork. 4Two sizes are alternative: 44-55mm and 44-56mm. 5Sealed steel bearings are solid and durable, turning smoothly, low noise.SpecificationFeatures:Aluminum alloy construction delivers stability and durability.CNC high precision machining and fine workmanship, colorfast and anti-deformation.Matching 28.6mm standard straight tube fork or 1.5 standard taper pipe fork.Two sizes are alternative: 44-55mm and 44-56mm.Sealed steel bearings are solid and durable, turning smoothly, low noise.Specification: Brand: Risk Material: Aluminum Alloy Color: Black Fit for 28.6mm standard straight tube fork or 1.5 standard taper pipe fork Weight: Approx. 126 - 131gPacking List: 1 x Bicycke HeadsetNote: Please measure the corresponding size accurately before purchasing it. We appreciate foryour understanding.Package List