Lezyne microdrive, so I'd assume the bigger ones too do that, as do the cateye Nima, there are probably others as well, I think it's normally called pulse mode.
@snottyotter started
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Lezyne microdrive, so I'd assume the bigger ones too do that, as do the cateye Nima, there are probably others as well, I think it's normally called pulse mode.