Aluminum Alloy Fixed 22.2mm Cycling Mountain Bike Handlebar Stem Riser 100% brand new and high quality Short handle bar stem suitable for road bike, fixed gear bicycle, mountain bikes, etc. Material: 6061 Aluminum alloy * Handlebar diameter:22.2mm * Front fork diameter: 28.6mm(1-1/8") * Length: 30mm (center distance of the two holes) * Weight: Approx 308g * Color: Black Made of high quality aluminum alloy Package Content: 1 x Bicycle Short Handle Stem