Anodizing design makes it rust resistant and anti-fade. Compact and lightweight design makes it easy to store and carry.Aluminium alloy structure design ensures high strength and wear resistance. Hidden type design makes it look more beautiful.Made of quality aluminium alloy, it is firm and durable to use.We have two styles for you to choose.It is suitable for bikes. It is suitable for steel standpipes, aluminum alloy standpipes, carbon fiber front fork standpipes on the market.Item Name: Stem RiserMaterial: Aluminum AlloyFeatures: High Strength, Corrosion Resistant, AdjustableSize Details: Specification A: 3cm/1.18" (Approx.)Specification B: 5.5cm/2.17" (Approx.)Style A Size: 8cm x 2.85cm x 2.85cm/3.15" x 1.12" x 1.12" (Approx.)Style B Size: 10.5cm x 2.85cm x 2.85cm/4.14" x 1.12" x 1.12" (Approx.)Applicable Front Fork Stem Tube Outer Diameter: 2.86cm/1.13" (Approx.)Applicable Inner Diameter Of The Front Fork Standpipe: 2.3cm/0.91" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Stem Riser