Description: Made from high-strength CNC machined 6061 anodized Aluminum alloy, lightweight and durable Stereer Tube diameter: 28.6mm (1-1/8"), Handlebar diameter: 31.8mm (1-1/4")/35mm/, Length: 50mm Four bolt bar clamp design keeps bar in position securely Bright and beautiful color makes it as a good decoration for your bikes Suitable for most fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, etc. Specification: Material: Aluminum Alloy Handlebar Clamp Diameter: Approx. 31.8 mm/1.25 inch and 35mm/1.38 inch Front Fork Diameter: Approx. 28.6 mm (1-1/8") Length: Approx. 50mm Package Includes: 1 Piece Mountain Bicycle Stem Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks