Rentals cost £4 per hour or £19 for the first day, £9 for days two and three, £6 for days four and five, £49 for the first week and £10 for second week. It also offers 3½-hour bike tours of London daily at 10.30am for £15.95 and at noon and 2.30pm (£18.95 each) on weekends. For an extra £5 you get to keep the bike for 24 hours after the tour. Routes are on its website. You will need to provide credit card details as a deposit and must show ID.