The simplest (and cleverest) bike storage system we've seen yet: wooden bike hooks from Fluoshop in Hamburg, Germany.
Designed by Sandra Thomson, the minimal wooden bike hooks are made of natural oak and are ideal for light sports bikes.
Above: The Wooden Bike Hook is €65 from Fluoshop via Etsy.
Above: The dowels are made from a standard light oak wood
Above: The bike hooks are made for light sports bikes and not for heavier bicycles.
Above: The long oak dowels are mounted with shelf supports.
Above: The set includes a pair of wooden bike hooks, two shelf supports with dowels, and assembly instructions.