[138mm Bike Stem] This fork stem extender provides a stem height of up to 90mm (3.54 inches) and fits most forks with 28.6mm (1-1/8 inch) tube bikes.

[Adjustable Height] This bike stem has 5 spacers (10mm high), so you can change the spacers to adjust the stem height to your needs.

[Easy Installation] Use this bike stem extender to connect the original front fork stem and tighten all screws with the included hex key.

[Robust Material] This front fork stem extender is made of 6061 aluminum alloy, which is 20% lighter than standard aluminum alloy stem extenders. Strong corrosion resistance, no rust, high toughness, and no deformation.

[Applicable Bike] This bike head adapter fits most road bikes, mountain bikes, track bikes, MTB, BMX, DH, etc. and is suitable for retrofitting and upgrading your bike.


Product Description

Use this bike stem riser to increase the height of the bike stem and change the spacers to adjust the height to your needs!

The stem extender fits most bikes with 28.6mm thread and without a steerer tube.

Height Adjustable

The steerer adapter is equipped with 5 spacers (1×5mm and 4×10mm), and the height can be adjusted to 70mm by replacing the spacers.

Made of Aluminum Alloy

High-quality aluminum alloy, strong structure, durable and long service life.

Fork Stem Extender


Installation Steps:

Remove the cap of the original bike handlebar

Remove the stem bracket

Install the bike front fork stem extender, then adjust the position and fix the adjustment screw.

Add some spacers depending on the height

Install the stem bracket and fix the screws on the bracket.

Finally, install the cap on the bike front fork stem extender.

Delivery:

1 x Bike Stem Riser

1 x Hex Screw