Dimension Bicycle Stems (Quality Bicycle) – Handlebar Failure (2005)
Check Your Product
According to the U.S. Consumer Product Safety Commission (CPSC)
Product
Dimension Bicycle Road and Mountain Threadless Handlebar Stems
Brand
Quality Bicycle Products Inc., of Bloomington, Minn.
Lot Codes / Batch Numbers
Not specified in CPSC notice. Check official source for details.
Product Images
Source: U.S. Consumer Product Safety Commission
Quality Bicycle Products Inc., of Bloomington, Minn. is recalling Dimension Bicycle Road and Mountain Threadless Handlebar Stems. The hazard is: These handlebar stems can crack or break, causing the bicycle rider to fall and suffer injuries.. Based on CPSC recall notice.
Summary derived from CPSC notice
The following details were not provided by CPSC: UPC codes.
Reason for Recall
As stated by CPSC
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.
Reported concern (CPSC)
These handlebar stems can crack or break, causing the bicycle rider to fall and suffer injuries.
Recommended Action
Per CPSC guidance
Contact your local bicycle retailer to have them check your handlebar stem and obtain a replacement stem, if necessary.
Verify this information on the official source
For complete details and official instructions, check the U.S. Consumer Product Safety Commission (CPSC) directly.
View official CPSC recall noticePage updated: Jan 6, 2026