MOBILITY SCOOTER PUNCTURE PROOF TYRES 2 X Rear block tread 300-4/260 x 85 (full set of 4). These are a quality hard wearing set of infilled puncture proof mobility scooter tyres to fit the rear wheels of most mobility scooters. Guaranteed not to puncture no matter the terrain you are on. Longer lasting than ordinary mobility scooter tyres. Please check the size on the wall of your existing tyre.