Holiday Riding Insurance (UK to Alps)

Riding Tignes soon and looking at travel insurance to cover downhill. Came across Bikmo that seems cheaper than most which says "Mountain Biking (wearing a helmet and no racing) up to 2,500 metres above sea level" is covered. Beyond that, it doesn't appear to stipulate any further requirements. Tignes seems to be nearly all below 2500m so I think that's fine, but just wondered if anyone had any experience with Bikmo, or any other recommendations of other providers worth considering. Thanks