10K views · 165 reactions | Training zones can cause a lot of confusion. Some models have three, some have five, some six or seven. So, what are they? Why should you use them? How do you find yours? And why can no one agree on them? Si breaks down some of the theory behind the cycling training zones to help you better understand how to make them work for you. | Global Cycling Network | Facebook

Echelon is a French word, which literally translates to "Rung of a ladder". However, in cycling terminology it's something completely different as Dan Lloyd explains. | Global Cycling Network