Authorized GT dealers from February 2014 to June 2014 for between $4,300 and $6,000.
The wheel hubs can break and cause the brake system to fail, posing crash and injury hazards to the consumer.
Consumers should immediately stop using the bicycles and return them to the nearest authorized GT dealer to have the complete front and rear wheels replaced free of charge.
Cycling Sports Group has received five reports of broken hubs. No injuries have been reported.