Drafting happen when a rider follow closely another rider right behind. The air resistance decrease for the following rider and ease his progression. Stronger is the wind, especially when it is coming from the front, higher is the effect. Echelon is a specific type of racing which aims to split the pack in many parts. When the wind come from the side, a few riders collaborate together and reduce the space in the slipstream to put the rest of the bunch in difficulty and break away from them.
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