outdoor racing bicycle cycling helmet integrated cycling fixture bicycle helmet mountain bike helmet

red and black(红黑色) gradient blue(渐变蓝) matte black(哑黑色) bright white(亮白色) bright black(亮黑色) dull titanium gray(哑钛灰) carbon black(碳黑色) gradient purple color(渐变紫) red and black + tail lights(红黑色＋尾灯) gradient blue + taillight(渐变蓝＋尾灯) matte black + tail lights(哑黑色＋尾灯) bright white + taillight(亮白色＋尾灯) bright black + taillight(亮黑色＋尾灯) matte titanium gray + taillight(哑钛灰＋尾灯) carbon black + taillight(碳黑色＋尾灯) gradient purple color + tail light(渐变紫＋尾灯) red and black (gb)(红黑色（国标）) red and black + tail light (national standard)(红黑色＋尾灯（国标）) matte black (gb)(哑黑色（国标）) matte black + taillight (gb)(哑黑色＋尾灯（国标）) gradient blue (national standard)(渐变蓝（国标）) gradient blue + taillight (gb)(渐变蓝＋尾灯（国标）) bright white (gb)(亮白色（国标）) bright white + tail light (national standard)(亮白色＋尾灯（国标）) dumb titanium gray (gb)(哑钛灰（国标）) matte titanium gray + tail light (national standard)(哑钛灰＋尾灯（国标）) carbon black (gb)(碳黑色（国标）) carbon black + taillight (gb)(碳黑色＋尾灯（国标）) gradient purple color (national standard)(渐变紫（国标）) gradient purple color + tail light (national standard)(渐变紫＋尾灯（国标）) bright black (national standard)(亮黑色（国标）) bright black + taillight (gb)(亮黑色＋尾灯（国标）)

l (57-62 cm)(L（57-62CM）)