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Siroko K4 SRX and K4 SRX PRO sports glasses: the ultimate eyewear to face all routes

Siroko began as a simple sunglasses brand. Creating our first sports eyewear line – the K2 – made us realize that in cycling and other outdoor sports, clear vision and eye protection are key. Then along came the K3 line and its little sister, the K3s range. Over the years,… 

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Cycling for beginners: A basic guide to heart rate training

Before power meters became a thing, heart rate training was the main tool for building a solid, strong foundation and improving the cyclist’s performance. And while power meters are becoming increasingly more popular and accessible, heart rate monitors are closing in on them. Here’s a basic, easy guide to get… 

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