Quick Summary
The HOUSON 38 mm MTB Stem is a black aluminium bicycle stem for mountain bikes and BMX use. It is described as a 25.4 mm x 38 stem, and the handlebar stem angle is stated as ±7°.
This type of part is chosen mainly for fit, so check the handlebar diameter and fork diameter against your bike before buying. The stem is also described as suitable for a wrench-based installation.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | HOUSON. Useful for matching the part to the correct product family. |
| Product type | MTB stem. A bicycle stem must match the bike setup it is being fitted to. |
| Size | 38 mm with 25.4 mm x 38 wording in the product name. Check this against the intended bike fit. |
| Material | Aluminium. Material choice affects the part specification. |
| Colour | Black. Useful when appearance matters. |
| Angle | ±7°. Compare this with the handlebar position you want. |
| Handlebar diameter | 31.8 mm / 25.4 mm stated in the product description. Confirm the bar size before ordering. |
| Fork diameter | 28.6 mm (1-1/8 inch). Check fork compatibility before fitting. |
| Intended use | Mountain bike and BMX use are both stated. |
What to Compare Before Buying
- Handlebar diameter: The stated bar sizes are 31.8 mm and 25.4 mm. Match the stem to the bar on the bike you plan to fit.
- Fork diameter: The stated fork diameter is 28.6 mm (1-1/8 inch). This is the key fit check for the steerer.
- Stem angle: The ±7° angle affects bar position, so compare it with the riding position you want.
- Use type: Mountain bike and BMX are both named, so make sure that matches the bike build.
Before You Decide
Confirm the bar diameter, fork diameter and stem size before choosing an offer. The black aluminium finish and ±7° angle are part of the choice, but fit is the main decision factor for this stem. If the measurements do not match your bike, a different stem size is needed.









