Teyssor Bike Fork Stem Raiser Extender Extension Bicycle Handlebar Riser 115mm.
Features:
Condition: High Quality 100% brand new 
You can adjust the stem of you bike with this stem-up kit. 
Made of Alloy,best quality.

Dimension: 
Base Diameter: 1 1/8” (28.6mm) 
Fork stem dia: 28.6mm (standard) 
Total High: 115 mm  
Color: Red Alloy

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 heighten clamping bolts of the stem.

Be sure and check out my other items!
I will combine shipping on multiple items.