CPSC, Quality Bicycle Products Announce Recall of Bicycle Handlebar Stems

These handlebar stems can crack or break, causing the bicycle rider to fall and suffer injuries.

Recall #: 05166
Affected scope: About 18,000

Compiled from official public sources by the publisher. · Updated September 2026

Quality Bicycle Products Inc., of Bloomington, Minn. recalled The recall involves all Dimension-brand road and mountain threadless bicycle stems with a….

CPSC, Quality Bicycle Products Announce Recall of Bicycle Handlebar Stems was recalled by Quality Bicycle Products Inc., of Bloomington, Minn. in May 5, 2005. Reason: These handlebar stems can crack or break, causing the bicycle rider to fall and suffer injuries.. Remedy: Contact your local bicycle retailer to have them check your handlebar stem and obtain a r…. Verify recall #05166 with the CPSC before acting.

The recall

Quality Bicycle Products Inc., of Bloomington, Minn. issued this CPSC recall-These handlebar stems can crack or break, causing the bicycle rider to fall and suffer injuries..

None
agency class: May 5, 2005
reported

Sourced from official CPSC enforcement records. Verify recall #05166 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

This recall's affected scope, documented in the Recall Profile below, stays within a single-region or limited-distribution footprint. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.

Within the same product category the archive holds 6 closely related recalls, 6 from CPSC - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Product description

The recall involves all Dimension-brand road and mountain threadless bicycle stems with a 130 degree rise. The stems are black or silver and have the word "Dimension" painted on the extension. Only models SM2330 to SM2333, SM4555 to SM4558, SM4567, and SM4570 to SM4573 are included in this recall. The model numbers are printed on the original packaging. These handlebar stems all have a 130-degree "high rise" but vary in extension length.

Reason for recall

These handlebar stems can crack or break, causing the bicycle rider to fall and suffer injuries.

Remedy, what to do

Contact your local bicycle retailer to have them check your handlebar stem and obtain a replacement stem, if necessary.

Recall Profile

Structured summary of the CPSC recall record
Attribute	Value
Agency	U.S. Consumer Product Safety Commission
Severity class	Not classified by agency
Status	Active
Recall number	05166
Date reported	May 5, 2005
Date initiated	May 5, 2005
Recalling firm	Quality Bicycle Products Inc., of Bloomington, Minn.
Affected scope	About 18,000
Distribution	Not disclosed
Official source	CPSC notice →

Profile values are sourced directly from the official CPSC enforcement record. Source: U.S. Consumer Product Safety Commission.

What to do with this recall

Contact your local bicycle retailer to have them check your handlebar stem and obtain a replacement stem, if necessary.

Check the recall number (05166) and product description against the item you own. Search the archive
Confirm the current status and remedy on the official CPSC notice before acting. CPSC notice
Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official CPSC record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was recalled? ▼

Why was this product recalled? ▼

These handlebar stems can crack or break, causing the bicycle rider to fall and suffer injuries.

What should consumers do? ▼

Contact your local bicycle retailer to have them check your handlebar stem and obtain a replacement stem, if necessary.

Which agency issued this recall? ▼

This recall was issued by the CPSC on May 5, 2005. CPSC does not publish a hazard classification for this recall. Recall number: 05166.

How do I report an injury from a recalled product? ▼

Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.

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This recall: CPSC, reported May 5, 2005. Severity classes follow each agency's own taxonomy; related-recall context is computed across the full archive.

Methodology · Corrections · Archive as of August 2026