NiteRider Lumina Helmet Mount M2 Taurine acts as a powerful

Taurine acts as a powerful antioxidant

Hard Chrome plated inner and outer plates for faster and more precise shifts

Compatible only with ST-4700 or ST-RS405 shifters

Helps prevent blood pooling

Time (Moving Time / Trip Time / Lap Timer / Split Time)

NiteRider Lumina Helmet Mount M2 Taurine acts as a powerfulIncrease your line of sight with the NiteRider Lumina Helmet Mount. By mounting your head light onto your helmet, youll be able to see farther into your turn or wherever your head turns. System Compatibility Lumina Series Mako Series Warranty Information Limited lifetime warranty: Covers any defects in mechanical components (housings, covers, mounts and fasteners) and LEDs 2 year warranty: Printed circuit boards, switches and AC adapters 1 year