EZ Trac all aluminum.

By the way:

Cheng-Shin Rubber Ind. Co.,Ltd. (Maxxis; Chinese: 正新橡膠工業股份有限公司) is the ninth largest tire company in the world. Established in 1967, at the city of Yuanlin, Taiwan, by Luo Jye.



Overview

At first, Cheng Shin Rubber, operating as Maxxis International, only produced bicycle tires. As the company grew and extended its reach beyond Asia, it expanded into new market segments, producing tire products for a variety of vehicles.

In 2009 Maxxis had worldwide revenue of over $2 billion.[2] Maxxis has operations in Taiwan, China, Thailand, Vietnam, United States, Canada, United Kingdom, Germany, The Netherlands, Japan and Dubai. The company employs 28,000 people, and its products are distributed in approximately 170 countries.[3]

The company recently built a design and testing proving ground in China,[4] and has five other research facilities in Taiwan, China, the United States, and the Netherlands.