(LRS-Lever Release System)
Base plate set is for models:
Quantum/E,F,Quantum-2RX-7XX, RX-7RR3, RX-7RR4,
RX-7 Corsair,
NR-3, Rapide-3, Astro-R, Astro-TR, Astral, Astral-X, Condor,
Route-GT, SV, Viper-GT, Profile & Chaser.
Note: Please check type of the base plate of your helmet
before purchase!