Features:
Constructed of high-strength CNC machined 6061 T6 aluminum alloy
Suitable for mountain bicycle to rise up the handlebar fork stem
Can extend the fork stem by 35mm maximumly
Easy installation, just connect up the original front fork stem

Specifications:
Material: Aluminium alloy
Base diameter: 1-1/8" (28.6mm)
Fork stem diameter: 28.6mm (standard)
Length: 12cm / 4.7in
Weight: 191g / 6.7oz

How to install:
1. Insert STEM-UP onto the fork stem and place height adjusters onto STEM-UP until your preferred height level for your stem.
2. Stem and wheel in the same direction and highten clamping bolts of the stem.