Radio

Disabled

<Code>

<!-- Radio -->
<div class="custom-control custom-radio input-primary">
    <input type="radio" class="custom-control-input" id="checkbox1" name="example1" value="" checked="true">
    <label class="custom-control-label" for="checkbox1">Radio</label>
</div>
<div class="custom-control custom-radio input-primary">
    <input type="radio" class="custom-control-input" id="checkbox2" name="example1" value="">
    <label class="custom-control-label" for="checkbox2">Radio</label>
</div>

<!-- Disabled Radio -->
<div class="custom-control custom-radio">
    <input type="radio" class="custom-control-input" id="checkbox3" name="example2" value="" checked disabled>
    <label class="custom-control-label" for="checkbox3">Disabled</label>
</div>
<div class="custom-control custom-radio">
    <input type="radio" class="custom-control-input" id="checkbox4" name="example2" value="" disabled>
    <label class="custom-control-label" for="checkbox4">Disabled</label>
</div>