Giant Numen Alumbra Rear Light Groupe Topstone Carbon from 2019

Topstone Carbon from 2019

3D Molded Footbed With Medium Arch Support

It’s an electronic

Fork construction: Classic Suspension Fork

Rear Derailleur: SRAM Rival eTap AXS

Giant Numen Alumbra Rear Light Groupe Topstone Carbon from 2019Designed 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