Serfas Cosmos II 30 Lumens USB Rear Light RGroup_BDC9644CE48E9091036C6DB9EDF9B3D9AE3DB51D It features a lightweight Aluminium

It features a lightweight Aluminium Lite 6061 frame and a rigid alloy fork for a stable ride

It features an adjustable fit with a locking length of 75cm

and users can set their own combination for added security

With smooth interior surfaces to minimize chafing

With a complete redesign

Serfas Cosmos II 30 Lumens USB Rear Light RGroup_BDC9644CE48E9091036C6DB9EDF9B3D9AE3DB51D It features a lightweight AluminiumThe Serfas Cosmos II Rear Light offers 30 lumens of brightness, making it a reliable choice for everyday cycling. It features 3 LEDs for enhanced visibility and provides up to 4 hours of run time in flash mode. The light can be fully charged in just 2 hours and is IPX3 waterproof, allowing for use in wet conditions. While it may not be the brightest option available, it is sufficiently bright for most riders. SKU: UTM 30.