He had to wait for several minutes for his team car to arrive and assist him .
Boonen had his chain slip and get stuck between the frame and crankset of his bicycle , a problem which required a full bike change .
Boonen had to wait for several minutes for Boonen 's team car to arrive and assist him .
Boonen had his chain slip and get stuck between the frame and crankset of his bicycle , a problem which required a full bike change .