Delta Cycle recalls a half million bicycle stem raisers

Photo source: CPSC

The stem raiser can shift causing the handlebar to shift unexpectedly

Delta Cycle of Foxborough, Mass., is recalling about 500,000 Delta Cycle and Dimension Stem Raisers sold in the U.S. and Canada.

The stem raiser can shift during use, causing the handlebar to shift unexpectedly, posing a fall hazard.

The firm has received one report of a stem raiser shifting during use. No injuries have been reported.

This recall involves Delta Cycle and Dimension Stem Raisers, model numbers TD3318B, TD3318S, TD3418B, and TD3418S for the Delta Cycle brand, and SM1977 and SM1979 for the Dimension brand.

The stem raisers were sold in black and silver, and measure between five inches and seven inches high.

The stem risers, manufactured in Taiwan, were sold at REI and local bicycle stores nationwide and online at and from January 1998, through January 2024, for about $46.

What to do

Consumers should immediately stop using the recalled stem raisers, and contact Delta Cycle to schedule a free repair at an independent bicycle dealer.

Consumers may contact Delta Cycle at (800) 474-6615 from 9 a.m. to 5 p.m. (ET) Monday through Friday, by email at, or online at for more information.

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