Quick Summary
The LUNJE Adjustable Bike Stem is a 31.8 mm handlebar stem with a 110 mm length and a 120° adjustable angle. It is presented as a stem riser and extender for road, city, and MTB bikes, so the main checks are handlebar size, fork steerer size, and the length you want.
This version is the 110 mm option, which makes the selected size an important part of the purchase. If you are comparing offers, confirm the length, the handlebar clamp size, and whether the angle range matches your setup.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | LUNJE |
| Product type | Adjustable bike stem for handlebar positioning |
| Handlebar size | 31.8 mm, so the handlebar clamp size matters for fit |
| Length | 110 mm, which is the selected size for this version |
| Angle | 120° adjustable angle |
| Fork steerer size | 28.6 mm (1-1/8 in), so the fork side needs to match |
| Material | 6061-T6 aluminum |
| Size options | 90/110/130/145 mm, so the exact length should be confirmed before ordering |
What to Compare Before Buying
- Handlebar clamp size: This stem is 31.8 mm, so compare it with your handlebar diameter.
- Fork steerer size: The stem is listed for 28.6 mm (1-1/8 in), so check the bike’s fork side before choosing.
- Length: The selected version is 110 mm, and the other available lengths are 90, 130, and 145 mm.
- Angle adjustment: The stem is described as adjustable to 120°, so confirm that range works for your riding position.
Compatibility, Size and Fit
This stem is intended for bikes with a 31.8 mm handlebar and a 28.6 mm (1-1/8 in) fork steerer. Because length is a core variant choice, the 110 mm version should be checked against the position and reach you want on the bike.
For buyers comparing fit, the most important points are the handlebar diameter, fork steerer diameter, and the selected stem length.
Before You Decide
Confirm the 31.8 mm handlebar size, the 28.6 mm (1-1/8 in) fork steerer size, and the 110 mm length before choosing an offer. If you need a different reach, compare the other listed length options. Check that the 120° adjustable angle matches the riding position you want.





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