Marin Mountain Bikes Inc., of Novato, CA is recalling about 450 of its children's bicycles in United States and Canada because the handlebars can loosen or separate during use and cause the rider to lose control and/or crash, posing the risk of injury.

No incidents or injuries have been reported, but Marin ask consumer to immediately stop using the recalled bicycles and contact the company for a replacement handlebar.

The recall pertains to Marin 2014 model MBX 50 and Tiny Trail boys and girls bicycles with 16-inch knobby tires. The single speed bicycles have high-rise handlebars and training wheels.  The boy’s bicycles were sold in red and have serial number HA14980XXXXXX. The girl’s bicycles were sold in purple and have serial number HA14982XXXXXX. Serial numbers are printed on a foil label affixed to the underside of the base of the down tube.

“Marin” is printed on the seat and the downtube. “Tiny Trail” or “MBX 50” is printed on the bicycles chain guard.

The bicycles stores nationwide from September 2013 through December 2014 for about $250. The bikes were manufactured in China.