The platinum gravity bike rack provides safe secure and convenient storage of 2 bikes in an apartment office garage or almost anywhere there is available wall spacethe storage arm assemblies adjust independently up and down to assure parallel storage with the floorthe storage cradles slide in out on the storage arms to get the bikes as close to the wall as the handlebars permitstorage cradles feature soft foam padded inserts to protect the bike frameconstructed of high carbon steel with smooth