Invacare warrants the frame to be free from defects in materials and workmanship for a period of three (3) years from date of purchase; distributed parts and components including compensators, forks, upholstery and miscellaneous bicycle components are warranted for a period of one (1) year from the date of purchase; except all tires, tubes, push handles grips, foam parts, plastic coated parts, bushings, bearings and cables which are not warranted. The Mountain Drive Option is not warranted. If within such warranty period any such product shall be proven to be defective, such product shall be repaired or replaced, at Invacare's option. This warranty does not include any labor or shipping charges incurred in replacement part installation or repair of any such product. Invacare's sole obligation and your exclusive remedy under this warranty shall be limited to such repair and/or replacement.