Adjustment wire Circumference 18 inch top tube bmx bikes check Compatible with nickname
Sunday Primer 18" (Matte Black with 18.5" tt) | Sunday Bikes
Amazon.com : Mongoose Switch Kids BMX Bike, Boys and Girls Bicycle Ages 5-8 Years, 18 Inch Wheels, Bike with Training Wheels, Low Stand Over Frame, Foot and Hand Brakes,Black : Childrens Bicycles :
DK Aura 18" Complete BMX Bike - 18"TT - Black - BMXGuru.com / C&W Cycle
Amazon.com : cubsala 18 Inch Big Kids BMX Bicycle Freestyle Bike for Age 5 6 7 8 Years Old Boys Girls and Youth Beginners, Black : Sports & Outdoors