Home › Appliances & tools › Bicycle Stems
Bicycle Stems
The notice says to stop using it — see below for what to do.
What’s wrong
The bicycle handlebar stems can crack or break, posing a fall hazard.
The Recall Registry rates this serious — Fall risk.
What it looks like
Photos help. Identifiers decide. Appearance can vary by color, finish or packaging. Confirm the model number, date code or other identifier in the official notice.

Recall image provided by CPSC
What to do
Consumers should immediately stop using their bicycles and contact the bicycle retailers where the stems were purchased to obtain a free replacement stem. Other bicycle shops can handle the replacement process by contacting the manufacturer's current distributor, Quality Bicycle Products, Inc.
Who to contact: For additional information, please contact Quality Bicycle Products, Inc. ("QBP") toll-free at (877) 745-7703 between 8 a.m. and 6 p.m. CT Monday through Friday, or visit www.ridley-bikes.com
The product
The recall involves all 4ZA 31.8 threadless bicycle handlebar stems sold as individual aftermarket components. The stems are black and have the words "4ZA Cycling Performance" painted on the carbon extension between the steerer clamp and handlebar clamp. The recalled stems range in extension lengths from 90mm to 130mm, approximately 3.5 to 5 inches.
Details
- Units affected
- About 105
- Recall date
- May 22, 2012
- Brand
- Race Productions NV, Belgium
- Made or distributed by
- Sinclair Imports, of Reno, Nev., Quality Bicycle Products, of Bloomington, Minn.
- Injuries reported
- Yes
- What has been reported
- The firm received one report of a handlebar stem breaking resulting in minor injuries.
The stems were sold at specialty bicycle retailers and via websites from January 2005 through April 2010 for about $59.
The official notice
This recall was issued by the U.S. Consumer Product Safety Commission. The Recall Registry summarises it — always confirm the details at the source.
Their exact wording: “Bicycle Stems Recalled by Ridley Bikes Due to Fall Hazard”
Worried about the other things in your house? You can write down what you have and be told if one is recalled — or, if you sell second-hand, check your whole stock at once.
Filed under: Appliances & tools