Lightbeam MTB MXB Road Bike Fork Stem Extender Head up Raiser Bicycle

Lightbeam Aluminum Alloy Fork Stem Extender Head up Raiser Bicycle Handlebar Riser work for Most MTB, MXB Road Bike, Mountain Bike & Fixed Gear Bike etc
Specifications:
1, Material: Forged 6061 aluminium alloy
2, Base Diameter: 1-1/8" (28.6mm)
3, Fork stem diameter: 1-1/8" (28.6mm)
4, Total height: 4.7 inch
5, Weight: 7oz
6, Adjustable height: max 2.7 inch (0 - 70mm)
7, Four Metal Spacers: 3pcs 2/5" (10mm) spacers and 1pc 1/5" (5mm) spacer, free for you to combine them
8, Color: Black
How to install:
1. Insert the stem raiser into the fork stem and place metal adjusters based on your need;
2. Put the base of stem raiser with wheel stem together and tighten clamping bolts.
Package includes:
1x bike stem extender
2, 4x height spacers