You will be asked to register with Yahoo before you join...

OR...

If you prefer to join without registering with Yahoo, send a blank e-mail to TeamBikeBuddies-subscribe@yahoogroups.com. You will be added to the group without giving any information to Yahoo.

After registering, you will be sent a confirmation message to the address you entered above (or to the address from which you sent the blank e-mail) Your membership will be completed when you respond to that message.