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.
Tinnitus and Diabetes. Tinnitus is a common condition affecting around 50 million adults in the U.S. It's defined as a ringing in the ears that can lead to difficulty concentrating and sleeping. There really is no clear explanation on what causes tinnitus. Many cases can be attributed to prolonged exposure to loud sound or as a side effect of head/ear trauma and hearing loss. A variety of other factors, however, can lead to tinnitus â including diabetes.