Motorbike. Car, Caravan. Motorbike, Scooter Parts. Boat, Trailer. Bike Kits. Car, Caravan, Boat, Trailer. Bike Parts. This size inner tube is used for Ride On Lawnmowers and is suitable for 15x5.00-6 / 15x5.50-6 / 15x6.00-6 / 140-6 / 5.00-6 / 5.50-6.