BlackRing 2x Inner Tubes 18x8.50 8 TR13 Straight Valve Ride On Lawn Mower Garden Tractor 18x850x8

2x High Quality replacement inner tubes for tyre size 18x8.50-8 With FAST DISPATCH. Tubes are fitted with a TR13 straight rubber valve. The straight valve points in towards the axle so less risk of damage when in use. These 18x8.50-8 tubes come with a standard car type Schrader valve, which allows easy inflation using a normal car foot pump. Made from a high grade Butyl rubber these inner tubes have a double layer of rubber at the valve joint for extra strength. BEFORE FITTING check your ride on lawn mower tyre on the inside for THORNS or SHARP objects.