道理挺简单的，链条在最小的cog是歪的，损失功率。最佳踏频范围是固定的，那就只能增加chainr ing

来源: Ridetolight 于 2025-07-11 17:41:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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