Peloton is recalling 2 million stationary bikes for safety reasons, the second major recall the fitness company has faced.

according to a release Thursday by the Consumer Product Safety Commission, the seat post on bicycles can break during use, posing fall and injury hazards to the user.

Peloton has already received 35 reports of the seatpost breaking and separating from the bike during use, the CPSC said, including 13 reports of injuries including a broken wrist, lacerations and concussions.

Consumers should immediately stop using the recalled exercise bikes and contact Peloton for a free repair, the statement said. Peloton offers consumers a free seatpost that they can install themselves.

This is not the first time Peloton has faced a widespread recall. In May 2021, he was forced to retire all of its treadmills after the death of a child.

Peloton shares fell more than 7% following Thursday’s announcement.