Redline proline junior bmx bikeredlines proline junior bmx bike is for the younger riders looking to get serious about racing the redline formed 6061 t 6 alloy frame combined with sealed hubs and 100 crmo butted and tapered race forks will give you performance and value thats second to none tioga power block tyresthe bike also features a 1 integrated headset aluminium hubs and stainless steel spokes as well as tioga power block tyres and mini hex grips featuresframe redline proprietary