For state bike trail maps, club and tour listings, or hints on safety, contact the Bicycle Coalition of Maine (341 Water St., No. 10, Augusta. 207/623-4511. www.bikemaine.org). Rent bikes right downtown at Cycle Mania (59 Federal St. 207/774-2933. www.cyclemania1.com). They have several models and programs to choose from. For local biking information, contact Portland Trails (305 Commercial St. 207/775-2411. www.trails.org), a group devoted to blazing (literally) new trails for cyclists and walkers. They can tell you about designated, paved routes that wind along the water, through parks, and beyond. For a map, call, stop in, or get one online.