{
    "key": "mtb:scale",
    "type": "combo",
    "label": "Mountain Biking Difficulty",
    "placeholder": "0, 1, 2, 3...",
    "strings": {
        "options": {
            "0": "0: Solid gravel/packed earth, no obstacles, wide curves",
            "1": "1: Some loose surface, small obstacles, wide curves",
            "2": "2: Much loose surface, large obstacles, easy hairpins",
            "3": "3: Slippery surface, large obstacles, tight hairpins",
            "4": "4: Loose surface or boulders, dangerous hairpins",
            "5": "5: Maximum difficulty, boulder fields, landslides",
            "6": "6: Not rideable except by the very best mountain bikers"
        }
    }
}