Exercise equipment sold at Costco recalled after more than 100 injuries reported

A set of dumbbells once sold at Costco is now under recall.

Johnson Health Tech Trading and the Consumer Product Safety Commission (CPSC) issued the voluntary recall of the BowFlex 552 adjustable dumbbells on Thursday "due to reports that the weight plates can dislodge from the handle during use, posing an impact hazard."

Along with the dumbbells – which were sold at Costco, Best Buy, Dick's Sporting Goods, and online through Amazon and BowFlex's website – the CPSC says BowFlex 1090 adjustable dumbbells are also impacted.

Nearly 4 million units are involved in the recall, according to the CPSC. A full list of models and serial numbers can be found here.

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"BowFlex Inc. filed for bankruptcy protection in