GUB S-50 31.8mm - 35mm Aluminum Alloy Bike Stem, S-50 Black

1. Material: aluminum alloy.
2. CNC process: ensure firmness and reduce weight at the same time.
3. Standpipe length: 50mm.
4. Applicable handlebar: 31.8-35mm.
5. It is easy to install and remove, even though you are an amateur.