I'm Larisa, the Community Evangelist. Welcome to Wellsphere! To know if you are a member of the biking community, simply to go the main page of the biking community and if you see a large orange button that says, "Join this Community" you are not a member. To join, simply click the button. If you are already an existing member, you will see a button "Invite Friends".
If you have any other questions, feel free to contact me.