Bike Rack - Holds 2 bikes and 2 helmets (Silver) (6'9" Tall x 12.5" Extension) Color: Silver Size: 6'9" Tall x 12.5" Extension The space-saving Gravity Bike Rack holds 2 bikes and helmets securely and needs no installation. Just find the location for your rack and place it against the wall. Rack has two hooks to hang riding helmets. Rubber pads on the back of the rack protect your wall.