Bicycle Fork Adjuster Bike Stem Extender Handlebar Riser Bike Fork Stem Extension Fork Hidden Riser

Label:Yes Bicycle Hidden Stem Booster, Head Tube Extender. Effectively reduce the pressure on the waist, making your riding easier and more comfortable Great for mountain bikes, road bikes, MTBs, and more. It is suitable for the front fork to stem with an outer diameter of 28.6mm/1.13inch, the inner diameter of the front fork is required to be larger than 23mm/0.91inch Extension 30mm: 28.5x81mm Extension 55mm: 28x101.5mm Material: Aluminum alloy Color: Black Made of high-strength aluminum alloy, lightweight, corrosion resistance, no rust, high toughness, not easy to deform Easy to install, just attach the bike fork stem to make your bike more beautiful Packing:1PCs Due to the difference between different monitors,the picture may not reflect the actual color of the item Please allow 0.1-1cm differs due to manual measurement,thanks