Quick Summary
The WEERAS Adjustable Riser Stem is a bicycle stem with an extendable length of 160mm to 200mm. It is described for normal handlebars and tandem-bicycles rear seat handlebars, and the stated handlebar diameter is 25.4mm.
The stem has a bottom diameter of 28.6mm and is made of aluminum alloy. The surface is sandblasted for a matte black finish.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | WEERAS |
| Product type | Adjustable riser stem |
| Adjustable length | 160mm to 200mm. Check that this range matches the height and reach you want. |
| Bottom diameter | 28.6mm. Confirm the fit point on the bicycle before choosing an offer. |
| Handlebar diameter | 25.4mm. Match this to the handlebar size you plan to use. |
| Weight | 380g. |
| Material | Aluminum alloy. |
| Finish | Sandblasted matte black. |
What to Compare Before Buying
- Diameter: Compare the stated 28.6mm bottom diameter and 25.4mm handlebar diameter with your bicycle parts.
- Length: The adjustable range is 160mm to 200mm, so confirm that range matches the position you want.
- Application: It is described for normal handlebars and tandem-bicycles rear seat handlebars, so check that your setup matches those uses.
- Finish and color: The stem is matte black, which matters if you want the appearance to match other parts.
- Weight: The listed weight is 380g, which may matter for riders comparing stem options.
Compatibility, Size and Fit
This stem is described with a 28.6mm bottom diameter and a 25.4mm handlebar diameter. Those two measurements are the main fit checks before purchase. It is also described for normal handlebars and tandem-bicycles rear seat handlebars, so confirm that your bicycle matches one of those setups.
Before You Decide
Confirm the 28.6mm bottom diameter, the 25.4mm handlebar diameter, and the 160mm to 200mm adjustment range before choosing an offer. Make sure the intended bicycle setup matches the stated use for normal handlebars or tandem-bicycles rear seat handlebars.





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