The KOO Billy clip is a stem-mounted alternative to stashing your sunglasses on your bike helmet If you need a safe place to store your expensive sunnies when you’re out on a ride, then the simple but effective KOO Billy clip is ideal.
4.8Superb fit + crystal clear opticsKoo Open Cube cycling sunglasses review With a superb fit and crystal clear Zeiss lens, the KOO Open Cube is unashamedly pitched at the premium end of the market.
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