Shimano Recalls PRO Atherton Mountain Bike Handlebar Stems Due to Fall Hazard
Home product recall 12-113. Announced by CPSC on Feb 21, 2012.
- CPSC: stop using it
Watch and the shortlist are kept with a free account, on every device. Your watch list. CPSC’s own notice is on cpsc.gov.
The short answer
Announced by CPSC on Feb 21, 2012. Copied from CPSC on Oct 19, 2026.
- Stop using it what CPSC tells owners to do now (needs attention)
- Replace what’s offered
- 213 in the United States; 83 in Canada units, as CPSC gives them
- Reported injuries, in the notice (needs attention)
Every line below is in CPSC’s own words, with its source beside it.
What’s wrong with it?
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.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
What should you 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.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
- What the company offers to fix a recalled product or vehicle: a repair, a replacement or a refund, as the recall notice says. For a vehicle, dealers make the safety repair free. Follow the notice’s own steps, or contact the company it names. Source: CPSC; NHTSA (49 U.S.C. 30120).: replace.
- How to reach the firm: For more information and to find an authorized retailer, contact Shimano American Corporation at (800) 353-4719 between 8 a.m. and 5 p.m. PT Monday through Friday, or visit the company’s website at www.shimano.com
Which ones are 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.
213 in the United States; 83 in Canada units, as CPSC gives them.
Mountain Bicycle Handlebar Stem.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
CPSC’s photos
CPSC shows 3 photos on its notice. Hearth Record doesn’t copy them; each opens on cpsc.gov.
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Who made and sold it?
- Made by Post Moderne Corporation, Taiwan.
- Imported by Shimano American Corporation, Irvine, Calif..
- Bicycle and specialty stores and dealers nationwide from October 2009 to November 2010 for about $120.
- Made in Taiwan, as the notice gives it.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
Was anyone hurt?
Shimano has received one report of an incident in which the rider fell and received torso and arm injuries.
CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.
What the record doesn’t say
- The notice lists no UPCs, so check the model, the description and the photos.
- The notice lists no model numbers in a field of their own; its description may give them.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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U.S. Consumer Product Safety Commission, Recalls API.
Checked Oct 19, 2026. Updated daily. Public domain (U.S. Government work). CPSC asks to be credited, and that no endorsement be implied.
Recalls of kids’ and home products are from the U.S. Consumer Product Safety Commission (CPSC). CPSC does not endorse Hearth Record. Copied on Oct 19, 2026.