You can have Roadside Assistance for motorcycles with the Classic, Plus or Premier plans.  To purchase the optional Motorcycle coverage for either plan mentioned above, please click on Upgrade Membership from the drop down menu under Membership.  You will then choose the Optional Motorcycle Coverage toward the bottom.
You will be asked to log in to access this feature.
For further detailed information about the additional Motorcycle benefit, please click on Motorcycle from the drop down menu under Membership.