FT105 OptiGreen Series Fuel efficient trailer-position tire The Double Coin FT105 is an EPA SmartWay®-verified, low rolling resistance trailer-position tire built for multiple applications. Its fuel-efficient technology utilizes extensive siping to encourage even wear and its advanced casing extends tire life, making it the adept choice for long-term ownership. - This commercial truck tire is built with EPA SmartWay-verified technology - Advanced tread compounds and internal construction provide low rolling resistance and longer mileage - Extensive tread siping help fight irregular wear in free rolling positions - Durable casing provides long original tread life and promotes multiple retreads