1. Aluminum alloy material, sturdy and durable
2. Can be adjusted 120 degrees
3. Purpose: used to adjust the height/angle of the handlebar
4. Material: 6061 aluminum alloy
5. Height increase: 90mm long, about 5cm taller; 100mm long, about 6cm taller; 110mm long, about 7cm taller; 120mm long, about 7.5cm taller
6. Size: about 90/100/110/120mm in length, about 28.6mm at the front fork, about 25.4/31.8mm at the handlebar
7. Weight: about 280g/piece
