The rear Vortex flip cap needed is E-10 and the front is O-24. According to the TRYBE website, the size needed would be O-44, but it is recommended to contact them directly for compatibility questions with their product.
The rear Vortex flip cap needed is E-10 and the front is O-24. According to the TRYBE website, the size needed would be O-44, but it is recommended to contact them directly for compatibility questions with their product.