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.
1 Exposure to loud noises can damage tiny sensory hair cells in the ear, triggering tinnitus, even if there is no hearing loss. 2  Tumors of the head and neck can also cause tinnitus.  Meniereâs Disease presents with symptoms of tinnitus, vertigo, and transient hearing loss in one ear.