Promotional value expires May 31, 2015. Amount paid never expires. Must activate by May 31st, 2015. One month membership expires one month from activation date. One year membership expires 12 months from activation date. Limit 1 per person, may buy 3 additional as gifts. Valid only for option purchased. Must register online. Valid credit card required; credit card will only be charged if overtime fees are incurred. Voucher valid for up to 30 minutes and must dock bike to reload or additional charges apply. Not valid with any other offers. Taxes not included. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.