DURABLE ALUMINUM ALLOY: Our aluminum alloy bicycle fork shaft extension with polished anodized surface is strong, durable, lightweight and rust resistant. The double screw mounting design can ensure a firm and secure connection to your original stem.
Adjustable with spacer rings: The 120mm bike stem riser comes with 4 spacer rings. 2 spacers are 5mm high and the other 2 are 10mm high. 130mm bike stem riser comes with 5 spacer rings. 5 spacers are 10mm high.
Compatible with most bicycles: Simply connect the original front fork to complete the installation. Our bike stem riser is suitable for most bicycles with a 1-1/8" or 28.6mm threadless fork shaft, be it mountain bikes, road bikes, fixie or BMX. Please measure your fork shaft before ordering if you are not sure of its diameter.
Safe and comfortable cycling: If you lean too much on your bike when riding, this can cause heavy strain and pressure on the neck, back and arms. Our adjustable bicycle handlebar stem adapter can easily reach a comfortable position and free you from the pain and allow you to ride much more comfortable.