Sunrimoon CS-07 Zeta Bike Helmet - Splendor Size:L (57-61cm) Built-in global offline maps for

Built-in global offline maps for navigation on all types of terrain

6 g (light unit and battery) Light source： [HL-EL135] Φ5mm white LED X3

Chain: KMC X12L-1

also increasing the fatigue life of the rim

28mm outer and 24mm inner width

Sunrimoon CS-07 Zeta Bike Helmet - Splendor Size:L (57-61cm) Built-in global offline maps forCS 07 ZETA The seven air inlets at the front end and the seven exhaust vents at the rear work in tandem to effectively equalize the air flow ratio. the helmet is reserved for the tail safety warning light interface (optional), which can significantly improve the safety of night riding. Ride in the bold color of ZETA and let every mile reflect resilience and power. 3D GRID Elastic Matrix System This system uses a 3D GRID, a "dense soft supporting body"