Gemini Replacement O-Ring Set
Made of Silicone Rubber. A available in red or black
They use a stiffer material than the Magicshine O-rings and provide a better grip.
Silicone Rubber stays flexible in cold weather.
O.D. Ring sizes: 40mm, 50mm x 5mm thick
Fits all Gemini, Gloworm and Magicshine Bike lights and many others.
We Also Recommend