Independent buyers guides and product information
UK edition · GBP

CXWXC Adjustable MTB Stem 31.8mm 70 Degree, 90mm Bike Stem Riser

£22.98 (as of 02/11/2026 02:26 GMT - DetailsProduct 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 CXWXC Adjustable MTB Stem is a 90 mm bike stem riser with a 31.8 mm handlebar clamp and a stated 70 degree angle. The range also includes other lengths, so confirm the 90 mm version is the one you need before choosing an offer.

SKU: B09C4KVJNT Category:

As an Amazon Associate we earn from qualifying purchases.

Not sure yet?Bike Stems Buyer GuideRead what to compare before you choose

Compare with similar Bike Stems

Price drop −26%BBB Cycling HighRise Handlebar Stem 31.8 mm 35 Degree 70 mm Black Original price was: £29.96.Current price is: £21.95. (as of 02/11/2026 22:54 GMT - DetailsProduct 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.)View on Amazon
LUNJE Adjustable Bike Stem 31.8mm Matte Black 90mm£21.49 (as of 11/10/2026 20:51 BST - DetailsProduct 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.)View on Amazon
Cinelli Ant Fixed-Gear Stem, Black, 60 mm£25.00 (as of 29/10/2026 01:53 GMT - DetailsProduct 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.)View on Amazon

As an Amazon Associate we earn from qualifying purchases.

Quick Summary

The CXWXC Adjustable MTB Stem is a 90 mm bike stem riser for a 31.8 mm handlebar clamp. It is described as an adjustable stem with a 70 degree angle, and the 90 mm size is the variant highlighted here.

Because this product range includes multiple lengths, the main buying check is the selected size. Confirm that the 90 mm version is the one you want before choosing an offer.

What to Compare Before Buying

  • Clamp size: This stem is listed for a 31.8 mm handlebar. Check that your handlebar matches that size.
  • Length: The 90 mm version is the variant shown here. Compare it with the length you need for your riding position.
  • Angle: The stem is described as 70 degree. Make sure that angle suits the setup you have in mind.
  • Variant selection: Other lengths are named in the range, so confirm the exact size before ordering.

Before You Decide

Check the 31.8 mm clamp size, the 70 degree angle and the selected 90 mm version before choosing an offer. If you need a different length from the same range, make sure the exact size is selected.

Brand

CXWXC

Manufacturer

CXWXC

Binding

Sports

Product Group

Outdoors

Part Number

XT-AS822

Model

XT-AS822

Color

31.8 x 90mm

Product Dimensions

1.25 x 1.25 x 3.54 inches

Item Weight

0.64 Pounds

Size

90mm

Scroll to Top