kahuna/public/js/components/gr-radio-list/gr-radio-list.html

<span ng-repeat="option in options track by option.key">
  <input type="radio"
         id="{{listFor}}-{{option.key}}"
         name="selected"
         ng-disabled="option.disabled || false"
         ng-value="option.key"
         ng-model="$parent.selection"/>
  <label for="{{listFor}}-{{option.key}}" gr-tooltip="{{option.tooltip}}">
      <span class="minimal">{{option.minimalValue || option.value || option.key}}</span>
      <span class="full">{{option.value || option.key}}</span>
  </label>
</span>