Bicycle Handlebar Stem Height Extender 1-1/8" (28.6mm) Alloy Fork Hidden Riser Fork Stem Extension

Features:1.As stem height extender to rise up handlebar for comfortable riding.2.Made of aluminum alloy, well-structured, solid and robust.3.Wide use scope to fit carbon, alloy and steel forks.4.Concealed mount to combine both practical & aesthetic features.5.Comes with 2 types (30mm/55mm) to meet personal preference.6.Light weight, quick and easy install.Specifications:Material: Aluminum AlloyProcess: CNC-machined, anodized blackApplicable: Fork riser outer Dia. 28.5mm, Inner Dia. >23.3mmFits: Carbon fiber, aluminum alloy or steel pipesScrew Hole: M5, Stem M5 bolts can be directly engaged (Bolt not included)Tool: mount with M6 Hex key (Tool not included)Type per order option: Type A 30mm extension; Type B 55mm extensionSize: As showNet Weight: Type A 91g ; Type B 115gNote:1.Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!