Extreme Max Round Plastic Backers are 1-1/4-inch in diameter x 1/2-inch tall. They are manufactured from 100 percent nylon and work well with any 5/16-inch stud. They can be used for race or trail.
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- 1-1/4-inch in diameter x 1/2-inch tall
- 100 percent nylon construction
- Works on any 5/16-inch stud
- For race or trail