Breakthrough Fitness Center will host "Ride for the Cure" on Tuesday at its Bluffton and Hilton Head Island locations. The indoor cycling event is a fundraiser for the Susan G. Komen for the Cure Lowcountry affiliate. The hourlong rides are open to the public and will be held at 5:30 a.m., 9 a.m., noon and 6 p.m. in Bluffton, and at 10 a.m. and 6:30 p.m. on Hilton Head. Donations of $5 will be accepted. Registration is required. Details: 843-368-5040