The carbon bar may break during use, posing risk of fall hazard. As of August 17, 2022, the company has received one report of incident in Canada relating to the Aeolus handlebar/stem, resulting in a concussion, stitches, and a dental injury. In the United States, the company has received five reports of incident relating to the Speed Concept, and 32 claims relating to the Aelous handlebar/stem.