With switching wheels the weight loss is felt in a couple different ways: Overall weight On a bike that only weighs, let's say, 28 lbs (12,700g) a loss of .9 lbs (410g) is about 3% savings.
Sinus infection or lesions can lead to headaches with tinnitus. Sinus related conditions leading to inflammation of the mucus membrane can also manifest typical ringing sounds in the ear or the head. These sinus conditions can bring on a generalized headache and sounds in the ear, sometimes followed by fever as well.
There are numerous causes for tinnitus: 1  Fluid, infection, or disease of the middle ear bones or ear drum (tympanic membrane). 2  Damage to the microscopic endings of the hearing nerve in the inner ear, which can also occur with advanced age.3  Loud noise exposure, such as from firearms, or music at a concert. 4  Medications.here are numerous causes for tinnitus: 1  Fluid, infection, or disease of the middle ear bones or ear drum (tympanic membrane). 2  Damage to the microscopic endings of the hearing nerve in the inner ear, which can also occur with advanced age.