Ridley Bikes recalls 4ZA Threadless Carbon Handlebar Stems due to cracking risk causing falls. Affected stems have black color and '4ZA Cycling Performance' markings. Consumers must stop using and get free replacements.
The bicycle handlebar stems can crack or break, posing a fall hazard.
Ridley Bikes is recalling all 4ZA Threadless Carbon Bicycle Handlebar Stems because they can crack or break, leading to falls. This affects stems sold as individual aftermarket components with specific markings and sizes.
The bicycle handlebar stems can crack or break under normal use, causing the rider to fall. This fall hazard occurs because the stems are critical for handling the bike's direction and stability.
Bicycle owners who purchased the recalled stems are affected. Riders using these stems face a fall hazard if the stems crack or break.
Look for black stems with '4ZA Cycling Performance' painted on the carbon extension. The stems range from 90mm to 130mm in length (about 3.5 to 5 inches).
Immediately stop using bicycles with the recalled stems to prevent falls.
Contact the bicycle retailer where you purchased the stems to get a free replacement stem.
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.
These stems are sold as individual aftermarket components, not as part of a complete bicycle.
The recalled stems are black.
Contact the bicycle retailer where you purchased the stems to obtain a free replacement stem.
We’ve drafted a message you can send Ridley Bikes to request your refund or repair — edit it as you like.
Subject: Recall 1053 — Ridley Bikes 4ZA Threadless Carbon Bicycle Handlebar Stems Hello, I own a 4ZA Threadless Carbon Bicycle Handlebar Stems that is covered by recall 1053 from Ridley Bikes. The official recall notice states: 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. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
Experiences, tips, and questions from readers. Every comment is reviewed before it appears.
No comments yet — be the first to share your experience.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official CPSC recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
