... 3) Black EPS inner shell 4) Durable, PC shell Bicycle helmet1) bicycle helmet 2) 26 aerodynamic vents 3) Black EPS inner shell 4 ... ~61cm6.whole weight:245gUsage: Safety protection, suitable for bicycle. NOT FOR MOTORCYCLE Product range:Kid helmet, Adult helmet, skate helmet, ,, ski helmet, bicycle helmet, inmould helmet.c Bicycle helmet,sport bike ...