Unverified85% confidenceDecision RuleTime unknown
速度传感器优先选磁铁-free（无磁）轮毂式（如Garmin Speed Sensor 2安装在花鼓上），比传统辐条磁铁+叉架感应式更省安装折腾，且不易因磁铁错位丢数据
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85%
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Long-term
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