2023 %E6%96%B0%E6%AC%BE gub k111 plus %E8%AE%8A%E8%89%B2%E9%A2%A8%E9%8F%A1 %E5%85%AC%E8%B7%AF%E5%96%AE%E8%BB%8A %E9%A0%AD%E7%9B%94 road bike helmet w photochromic visor Heart Rate NDI HX2 or NDI HX3

NDI HX2 or NDI HX3

Off: depleted

-自動燈光切換

記憶體64GB，2GB RAM

speed sensor

2023 %E6%96%B0%E6%AC%BE gub k111 plus %E8%AE%8A%E8%89%B2%E9%A2%A8%E9%8F%A1 %E5%85%AC%E8%B7%AF%E5%96%AE%E8%BB%8A %E9%A0%AD%E7%9B%94 road bike helmet w photochromic visor Heart Rate NDI HX2 or NDI HX3*High density EPS inside the PC shell *One piece anti collision and shock absorption *Magnetic photochromic mirror *The goggles change with the light (the stronger the light, the darker the goggles will be) *13 ventilation holes for heat dissipation and ventilation *GB 24429 2009 certification *The depth can be adjusted in the upper, middle and lower positions to wrap the back of the head *Removable inner pad for easy cleaning *Size: (57 62cm