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.
A single exposure to a sudden extremely loud noise can also cause tinnitus. A variety of other conditions and illnesses can lead to tinnitus, including: Blockages of the ear due to a buildup of wax, an ear infection, or rarely, a benign tumor of the nerve that allows us to hear (auditory nerve)
People with tinnitus complain of noise in one or both ears, or a different sound in each ear. In either case, the noise can become louder or softer at different times of the day. And the louder the tinnitus, the more tense and irritable you become. Infection or injury are common causes of the problem. But it can also be a symptom of Meniereâs syndrome, a hearing disorder caused by fluid retention in the ear, which in turn can be caused by allergies. And tinnitus can be a direct result of allergy-triggered inflammation of tiny blood vessels inside the ear.