A high-fat, low-carb diet resulted in reduced time-trial power on an average of 12 watts, in a group of mountain bikers, found in a study by Polish researchers in 2014.
It’s not only about the quantity of carbs, but the quality of carbs also has equal significance in meals. It is true that some carbs have more valuable than others. As the bodily stores of glycogen are limited, runners, bikers needs to replenish the deficiency by consuming carbs during the run.
It is crucial to search the divergence between high and low-quality sources of carbohydrates. Whole grains and dairy, starchy vegetables, fruits are rich quality carbohydrate sources. Whereas grains like white bread, pasta(regular), white rice and sweets considered to be low in quality.