CDWEFHR CB001 40 mm Bike Stem for 22.2 mm Handlebars

The CDWEFHR CB001 is a short aluminium bike stem listed for handlebars measuring 22.2 mm in diameter. Its 40 mm length is intended for riders seeking a compact stem, but compatibility depends on matching both the handlebar and steerer dimensions.

At a glance

The listing specifies a 40 mm stem length and 22.2 mm handlebar fit.
The seller describes a 4-bolt clamp and CNC-machined alloy construction.
The listing identifies a 28.6 mm steerer fit in its product description.

Price

$21.49Save 23%

Reference price: ~~$28.03~~

Price checked: 14 Nov 2026

View offer

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Pros and cons

Pros

The 40 mm length suits buyers specifically seeking a short stem for a compact cockpit.
The listing gives both handlebar and steerer diameters, helping buyers compare against their bike before purchase.
The listed 4-bolt clamp offers a clear installation design reference.

Cons

Handlebar compatibility is limited to the listed 22.2 mm diameter, so it will not suit bikes with different handlebar sizes.

Technical specifications

13 specifications

Identity
Brand	CDWEFHR
Model	CB001

Dimensions and fit
Stem length	40mm (1.57 inches)
Handlebar compatibility	22.2mm diameter
Steerer compatibility	28.6mm diameter

Materials and protection
Material listed	Aluminium
Alloy specified in description	6061 Aluminum Alloy
Colour	Black
Item weight	~0.12 kg (4.2 oz)

Construction and installation
Clamp design	4-bolt clamp system
Machining	CNC-machined

Listed applications
Bike type	Mountain Bike
Compatibility claim	Perfect for most BMX, vintage mountain bikes, cruisers, E-bikes, and kids' bikes.

What to know before buying

Measure both interfaces before buying. The listing says this stem fits 22.2 mm handlebars only and is not compatible with 25.4 mm or 31.8 mm handlebars. It lists a 28.6 mm steerer fit. Claims about improved steering response, durability, water resistance and easy installation are manufacturer statements, not verified performance findings.

What’s in the box

Included

Short Bike Stem

Who is it for?

A good fit for

Riders whose bike uses 22.2 mm handlebars and a 28.6 mm steerer, after confirming both measurements.
BMX, vintage mountain bike, cruiser, e-bike and children's-bike owners looking for a 40 mm stem, subject to matching dimensions.

Less suited to

Bikes with 25.4 mm or 31.8 mm handlebars.
Buyers unable to confirm the handlebar and steerer diameters before purchase.

CDWEFHR CB001 40 mm Bike Stem for 22.2 mm Handlebars · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 23 ratings

5 stars79%79%
4 stars5%5%
3 stars8%8%
2 stars0%0%
1 star8%8%

Aggregate ratings are mostly in the five-star category, alongside a smaller spread of lower ratings. Without written feedback, they do not show what buyers liked or disliked. For this part, confirming the listed 22.2 mm handlebar and 28.6 mm steerer fit is more actionable than drawing conclusions about performance from ratings alone.