iD/data/presets/fields/service/bicycle/chaintool.json

{
    "key": "service:bicycle:chaintool",
    "type": "check",
    "label": "Chain Tool",
    "strings": {
        "options": {
            "undefined": "Assumed to be No",
            "yes": "Yes",
            "no": "No"
        }
    }
}