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WEERAS Adjustable Riser Stem for Bicycle Handlebars, 160mm-200mm

$35.99 (Price correct as of 11/12/2026 10:05 PST · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The WEERAS Adjustable Riser Stem is a bicycle stem with an extendable 160mm to 200mm length, a 28.6mm bottom diameter, and a 25.4mm handlebar diameter. It is described for normal handlebars and tandem-bicycles rear seat handlebars, with an aluminum alloy body and matte black sandblasted finish.

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SKU: B0BYJ7BMVC Category:

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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.

Check Both Clamp Interfaces

Before choosing a stem, compare its handlebar-clamp and steerer-clamp interfaces with the exact handlebar and fork steerer. The listed diameters alone may not establish full compatibility with your bicycle.

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