Whether the wheel spacers are safe or not depends on the material, design, and precision.
BONOSS hub centric wheel spacers are designed with global pioneer active cooling technique,
which effectively reduces brake fade, safer than those common spacers.
They are made of high-strength forged Aluminum 6061-T6 or 7075-T6, precision at 0.02mm tolerance.
BONOSS aims to provide products with more additional functions, higher safety, higher performance.
