• Maximum height extension:115mm (4.5 inch).Include 2 gaskets, 1 x 10mm (2/5 inch) and 1 x 5mm (1/5 inch).Can freely adjust the gasket to fit your own height.
• Adjustable stem extender: The height of the extender can be adjusted by adjusting the number and type of spacers, reducing the pressure of waist effectively.
• Material:Forged 6061 Aluminum Alloy Material,Sturdy, corrosion-resistant, rust-free, high toughness, no deformation.
• Compatible: Teyssor Bike Fork Stem Riser Extender suitable for most Bike 1-1/8 inches threadless steering tube.Work on Mountain Bike, Road Bike, MTB, BMX,Fixie.
• Guarantees: If there are any quality issues with our products, please feel free to contact us. We offer a 12 month seller guarantee.