Unless the vehicle has a noisy exhaust, I can hear the tire noise behind me. Most car engines are quite quiet and are well muffled. Have never been surprised by an e-car and there are quite a few about. For me it’s a non-issue, but understand people have different hearing levels.
Quite a few excellent suggestions above.
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Road 🚴🏾♂️ & Mountain 🚵🏾♂️