riding coefficient

例句：

1. 1.The new bike has a riding coefficient of 95%.
   这辆新自行车的骑行系数为95%。
2. 2. The efficiency of the bicycle is directly related to its riding coefficient.
   自行车的效率与其骑行系数直接相关。
3. 3.The performance of the bicycle is also affected by its riding coefficient.
   自行车的性能也受到其骑行系数的影响。