Fill in the * Required fields below if you would like to be added to the Alterra Group Ride email list. When members of the Alterra Mountain Bike team post a group ride, email notifications will be sent out to all of the Alterra MTB team members as well as you. The email will list information about the group ride and a link to signing up for the ride. Once you click on the link to participate in the ride, your name will appear on the Posted Group Ride list with all others that have accepted the posted ride. So sign up and we will see you at the rides!