The Alliance 309 Portstar tyre is designed especially for heavy duty fork lift trucks and container handlers operating on hard improved surfaces. IThe 309 tyre's unique tread design and special rubber compound provides long tread life. The heavy duty nylon construction protects the sidewalls against damage and ensures long life. The Alliance 309 Portstar tyre features an increased sidewall rubber gauge and a flatter tread profile. the 309 has a special reinforced casing and wide bead base providing more ground contact.