About Our Bike Kickstand ✔ Made of aluminum alloy, there are a variety of size options to fit the 12/14/16/18/20 inches kids bike ✔ It can make the bicycle parking convenient, instead of directly falling to the ground or looking for something to rely on everywhere ✔ It's also a great replacement for damaged kickstand of bicycle Specification: For 12 inch Bicycle Kickstand Length: 17cm/6.7 inch For 14 inch Bicycle Kickstand Length: 20cm/7.87 inch For 16 inch Bicycle Kickstand Length: 22cm/8.66 inch For 18 inch Bicycle Kickstand Length: 25cm/9.84 inch For 20 inch Bicycle Kickstand Length: 28cm/11.02 inch Installation Steps: Step 1 - Select the corresponding size kickstand according to the size of the bicycle; Step 2 - Unscrew the nut of the bike rear axle, fit the kickstand and tighten the nut Step 3 - Adjust the angle of kickstand. According to the required angle, you can force the foot out or inward, and finally tighten the nut.