Blank spark 12 bmx bikethe spark is the perfect first bike for the youngest kids wanting to get into bmx freestyle it is a real scaled down bmx made from hi ten steel and uses all the top components from the full size blank range it features 12 wheels and fat 2 tyres features frame blank 1020 hi ten top tube 11 9 forks blank 12 hi ten forks handlebars blank compound mini 47 rise bars grips blank mini grips stem blank 1 ahead 40mm mini stem headset 1 external headset cranks blank