Doesnt seem like the link works, but if you google biking rota vincentina you'll get lots of options.
Sorry I missed you in St. Lucia last month but was busy with friends on a first time visit. I'm coming back down next week and staying till February, going to do a couple Grenadines charters on the new Skyelark.

Drink all day at home, your friends worry about you; do it on vacation and they say "what a good time you're having". Save your friends needless worry, travel more!