Trek Bicycle Corporation, of Waterloo, WI is recalling about 330 Trek 9.8 Superfly FS SL, X1 and XT bicycles because their seatposts can crack and break, posing a fall hazard to the rider.

The recall involves model year 2015 Trek 9.8 Superfly FS SL, X1 and XT bicycles equipped with the Bontrager Approved Carbon seatposts shown to the right  Recalled bicycles have a serial number ending in J or K. The serial number is located on the bottom of the bicycle frame. Superfly FS, X1 or XT is printed on the bicycle’s top tube. Trek is printed on the frame downtube. “Bontrager Carbon” is printed on the seatpost.

Trek has received two incidents report involving the recalled bicycles. No injuries have been reported, but Trek is instructing consumers to  immediately stop using the recalled bicycles and contact an authorized Trek retailer for a free replacement seatpost plus a $20 coupon toward any Bontrager merchandise. The coupon can be used through Dec. 31, 2015..

The bicycles were sold at bicycle stores nationwide from September 2014 through July 2015 for about $5,300 for the FS SL and about $3,500 for the X1 and XT bicycles.