Replacement of plastic Parts Hard-anodized colour, machined PTFE-coated hardened alloy Aluminum adaptor both strength and beauty without compromising the track-bred suspension geometry The lightweight aluminum alloy material is durable and improves the overall performance of the hex hub adaptor item number: 144001 type: , off road Colour:Gray Material:Aluminum alloy Size:12mm Package Contents: 4 x wheel hub hex adapter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.