Birla Tyres offers Straight Lug Designed Truck/ Bus Tyre. Birla Tyres is an ISO 14001 accredited company supplying a wide range of vehicle tyres for trucks, buses, light trucks, passenger cars, motor cycles etc. The Straight Lug Designed Truck/ Bus Tyre is a tube type vehicle tyre suitable for high load carrying applications. The Straight Lug Designed Truck/ Bus Tyre is available with a rim size of 7.5".