Severity
Moderate
ModerateActive
CPSC recall · Reported February 21, 2012
Shimano Recalls PRO Atherton Mountain Bike Handlebar Stems Due to Fall Hazard
The bolts holding the front plate of the stem to the stem body can be pulled out of the threads while the bike is being ridden, causing the rider to lose control of the bike and f…
Compiled from official public sources by the editorial team.
Verify with CPSC →
Post Moderne Corporation, Taiwan recalled This recall involves PRO Atherton direct mount bicycle handlebar stems with the model num… - a moderate-severity action.
Shimano Recalls PRO Atherton Mountain Bike Handlebar Stems Due to Fall Hazard was recalled by Post Moderne Corporation, Taiwan in February 21, 2012. Reason: The bolts holding the front plate of the stem to the stem body can be pulled out of the threads while the bik…. Remedy: Consumers should immediately stop using bicycles with PRO Atherton handlebar stems and ta…. Verify recall #12113 with the CPSC before acting.
The recall
Post Moderne Corporation, Taiwan issued this moderate-severity CPSC recall-The bolts holding the front plate of the stem to the stem body can be pulled out of the threads while the bik….
- Moderate
- severity level
- February 21, 2012
- reported
Sourced from official CPSC enforcement records. Verify recall #12113 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This CPSC action (record #12113) was formally reported on February 21, 2012. It is classified under Moderate severity, with a current status of Active. Post Moderne Corporation, Taiwan is listed as the recalling firm. Federal records list the affected scope as 213 in the United States; 83 in Canada.
The documented reason for this recall is: The bolts holding the front plate of the stem to the stem body can be pulled out of the threads while the bike is being ridden, causing the rider to lose control of the bike and fall. Distribution information was not included in the agency filing, so consumers should assume broad potential exposure until the firm publishes point-of-sale details. The remedy documented by the agency is: Consumers should immediately stop using bicycles with PRO Atherton handlebar stems and take them to an authorized retailer to determine if the stem on their bike is subject to the recall. Authorized … - consumers holding this product should act on that instruction 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.
Outdoor & Sports recalls over time
Where this recall sits in its category - 510 outdoor & sports recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Affected scope
213 in the United States; 83 in Canada
Related Recalls
6
6 from same agency
Product description
This recall involves PRO Atherton direct mount bicycle handlebar stems with the model number PRSS0049 and supplied from October 2009 to November 2010. The stem consists of a metal alloy body and front plate and four alloy bolts. The stem body is black with red markings. It has the word "PRO" in four places on the sides and the word "Atherton." The front plate is black and silver with the PRO logo in the center. The model number is located on the barcode sticker on the backside bottom of the packaging material. Stems with the following identification codes are being recalled: HH, HJ, HK, HL, IA, IC, ID, IE and IF. Some of these stems were outfitted with 18mm bolts instead of 21mm bolts. The identification code is located on the stem body where the handlebars are seated.
Reason for recall
The bolts holding the front plate of the stem to the stem body can be pulled out of the threads while the bike is being ridden, causing the rider to lose control of the bike and fall.
Remedy, what to do
Consumers should immediately stop using bicycles with PRO Atherton handlebar stems and take them to an authorized retailer to determine if the stem on their bike is subject to the recall. Authorized retailers will replace 18mm bolts with 21mm bolts free of charge.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Consumer Product Safety Commission |
| Severity class | Moderate |
| Status | Active |
| Recall number | 12113 |
| Date reported | February 21, 2012 |
| Date initiated | February 21, 2012 |
| Recalling firm | Post Moderne Corporation, Taiwan |
| Affected scope | 213 in the United States; 83 in Canada |
| 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
Consumers should immediately stop using bicycles with PRO Atherton handlebar stems and take them to an authorized retailer to det…
- Check the recall number (12113) 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? ▼
This recall involves PRO Atherton direct mount bicycle handlebar stems with the model number PRSS0049 and supplied from October 2009 to November 2010. The stem consists of a metal alloy body and front plate and four alloy bolts. The stem body is black with red markings. It has the word "PRO" in four places on the sides and the word "Atherton." The front plate is black and silver with the PRO logo in the center. The model number is located on the barcode sticker on the backside bottom of the packaging material. Stems with the following identification codes are being recalled: HH, HJ, HK, HL, IA, IC, ID, IE and IF. Some of these stems were outfitted with 18mm bolts instead of 21mm bolts. The identification code is located on the stem body where the handlebars are seated.. Recalled by Post Moderne Corporation, Taiwan. Units affected: 213 in the United States; 83 in Canada.
Why was this product recalled? ▼
The bolts holding the front plate of the stem to the stem body can be pulled out of the threads while the bike is being ridden, causing the rider to lose control of the bike and fall.
What should consumers do? ▼
Consumers should immediately stop using bicycles with PRO Atherton handlebar stems and take them to an authorized retailer to determine if the stem on their bike is subject to the recall. Authorized retailers will replace 18mm bolts with 21mm bolts free of charge.
Which agency issued this recall? ▼
This recall was issued by the CPSC on February 21, 2012. Severity: Moderate. Recall number: 12113.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (12113) against your product. Visit the official CPSC website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
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.
Nearby Recalls in This Category
Other recalls in the same product category, useful for spotting patterns across the same defect class or manufacturer.
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Joyin Recalls Sloosh Dive Sticks Due to Risk of Serious Injury from Impalement; Violate Federal Dive Sticks Ban
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Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: CPSC, reported February 21, 2012. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.