Type:Kids' Bike Wheel Size:12" Frame Material:Carbon Fibre Fork Material:Carbon Fibre Rim Material:Aluminum Alloy Net Weight:3.0KG Gross Weight:2.7KG Type:Baby Walker Wheel Size:12" handle Materail:PVC Rim Material:Aluminum Alloy Gross Weight:3.0KG Net Weight:2.7KG Color:Black Braking System:Double Bearing wheel Tyre Materail:PU Pneumatic tires