Product information：

Material: Alloy
Color: black, red, blue, gold, silver

1>Steel booster
2>Purpose: Installed between the stem and the front fork to increase the height of the handlebar as an adjustment, especially suitable for long-distance riders.
3>Material: Aluminum alloy 6061 is finished by turning process to make it have better strength. There are also 2 1CM and 2 0.5CM aluminum alloy washers.
4>Surface treatment: aluminum oxidation.
6>Size: Height: 121CM, the inner diameter of the lower tube (contact with the front fork): 31MM. The outer diameter of the upper tube (fitting with the stem): 28MM.

Packing list:
Increaser*1