Gajah Tunggal GT 11.00-20 TR78A Truck Inner Tube This heavy-duty inner tube from Gajah Tunggal is designed for trucks, buses, or heavy equipment in the 11.00-20 size. The TR78A series uses high-quality synthetic rubber that is resistant to high pressure, impact, and punctures. Key Features: Precise sizing: 11.00-20 (suitable for 20-inch rims). Heavy-duty construction for heavy loads and rough terrain. Thick material reduces the risk of punctures or air leaks. Distributed by Berkat Partindo Abadi. Usage: Supports truck tire performance by maintaining stable inflation pressure, driving comfort, and securing heavy loads. Note: Inflation pressure must meet vehicle recommendations. Ideal for logistics, construction, or long-distance transportation fleets.