Handlebar Front Fork Stem Riser Extender Head Up Adaptor Kits For Mountain Bike

Description:
Handling more flexible, light weight, easier to force when climbing, operation is comfortable
Can freely adjust the gasket to fit your own height
Easy installation, just connect up the original front fork stem; Very simple installation on most bikes

Features:
You can adjust the stem of you bike with this stem-up kit.
Made of Aluminum Alloy,best quality.

Specifications:
Base Diameter: 1 1/8” (28.6mm)
Fork stem dia: 28.6mm (standard)
Total High: 120mm
Adjustable High: 0mm-70mm
Stem adjuster: 4 spacers: 1 x 10mm & 3 x 5mm
Color: black
Material: Aluminum 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 highten clamping bolts of the stem

Pakage included:
1x Bicycle Extender

On Jul 23, 2026 at 20:36:17 PDT, seller added the following information: