A Complete Collection of 100000 Whys
Fav十万个为什么
为什么自行车链条需要润滑油？
简单的摘要：自行车链条需要润滑油的原因主要是减少摩擦和磨损、防止锈蚀以及提高传动效率。
1、减少摩擦和磨损：润滑油在链条的销轴和套筒之间形成油膜，减少金属间的直接接触，从而降低摩擦和磨损，延长链条使用寿命。
2、防止锈蚀：润滑油能够隔绝空气和水分，防止链条生锈，保持链条的灵活性和可靠性。
3、提高传动效率：润滑油减少摩擦阻力，使链条运转更加顺畅，从而提高传动效率，节省骑行力气。
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