"The SoHo bike rucksack from Basil initially looks like a conventional rucksack. Basil hides the rack mount behind a small compartment with a zip on the back. Underneath is Basil's self-developed system, which has a much simpler design than the holders from Ortlieb or Vaude. It is slimmer so that it does not press on the wearer's back when the SoHo is used as a rucksack...