Giant Numen Alumbra Rear Light Groupe S: 365mm / 75mm drop

S: 365mm / 75mm drop

Fitting for derailleur: 11-speed ||| 12-speed

It’s an electronic

3D Molded Footbed With Medium Arch Support

Giant Numen Alumbra Rear Light Groupe S: 365mm / 75mm dropDesigned to integrate seamlessly with compatible Giant and Liv helmets, the Numen Alumbra TL is the slimmest and most lightweight helmet attachable tail light and features a unique quick magnet mount design for easy on and off as well as a built in low power indicator. Features Maximum output to 20 lumens ANSI certified lumens and runtime IPX4 water resistant Power status indicator alerts remaining run time before powering off Light memory mode