Styles change, new fads come and go, but the Moonlight Ramble continues unabated. For 53 years the midnight ride through St. Louis has remained the same thrill — the only thing that changes is the route. This year's ramble once again starts at Ballpark Village (601 Clark Avenue; www.monlightramble.com), with last-minute registration ($10 to $25) available between 9 and 11:45 p.m. tonight. The bike ride officially starts at 12:01 a.m., but since this isn't a race, you can wait 'til the horde thins out and start anytime before 1:30 a.m. As always, you have a choice of either the short course (10.5 miles) or long course (18.5 miles), so pick the one that's right for you, wear light-colored clothing and have a good time. Ballpark Village is also the finish line, and when you return from your peregrinations an after-party will be waiting.