Note: Please select the corresponding size kickstand according to your bicycle size Kickstand Size For 12 inch kids bike: 19.5cm (7.67 inch)For 14 inch kids bike: 23cm (9.05 inch)For 16 inch kids bike: 25.5cm (10.04 inch)For 18 inch kids bike: 28cm (11.02 inch)Feature Bike stand make the bicycle parking convenient. Made of high quality carbon steel and strong spring our kickstand is sturdy and durable non-deforming. The non-slip foot can prevent the bicycle from slipping on wet surfaces and enable the bicycle to stand on various grounds. You just need to loosen the nut that on the back axle of your bicycle then install this kickstand into the bolt and tighten the lock nut.