Grit Master is a Thailand-made brand developed with professional technology and tested by specialists from around the globe. The company is constantly evolving as we continue to develop new patterns and sizes to serve diverse markets. Our offering is the perfect combination of progressive thinking with modern patterns and sizes. All our tires are manufactured by one of the largest tire manufacturers in the world and have passed all US DOT, European ECE, and CCC Certification, assuring Grit Master tires are manufactured to offer superior quality, performance, and durability.