Safety line mark for correct insertion depth. Key Features. Easy to install and adjust for optimal riding comfort. Constructed from strong 6061 aluminum alloy for durability.
Functional Gaskets: The bicycle neck extender is equipped with 4 washers, 3 x 10mm and 1 x 5mm, which increases the height to 85mm. The stem riser is suitable for most bike with 1-1/8" ( threadless steerer. ).