Promax MA-595 31.8mm Length 110mm Adjustable Threadless Stem Black. The MA-579 stem was developed for ease of use and the riders comfort in mind. This stem lets you easily rotate or adjust the handlebar height without tools for better comfort and control or remove it if necessary.

Tool free adjustable stem

Adjustment angle range: 90 - 160 deg

110mm extension

Stack height 40mm

Bar Clamp diameter: 25.4mm