Much of London is reasonably flat, so it should be fine but there's never a need to spend £500 on a geared bike - there are plenty of very good 10 to 12 speed 1970s and 1980s bikes around, fitted with Campag or Suntour kit, that you can pick up for £100 to £150, sometime much less.
Much of London is reasonably flat, so it should be fine but there's never a need to spend £500 on a geared bike - there are plenty of very good 10 to 12 speed 1970s and 1980s bikes around, fitted with Campag or Suntour kit, that you can pick up for £100 to £150, sometime much less.