Active Cooling Technique
The petal-shape grooves allow the external cold air to flow continuously inside spacer when it rotates. They boost the cooling efficiency, reducing brake thermal decay, and improving road safety.
Professional & reliable
Shop by category
Shop Now
Professional Production
More SGS TÜV Test Reports
More SGS TÜV Test Reports
BONOSS has achieved excellent scores in over 66 SGS TÜV test reports...
Since 2007, BONOSS (formerly bloxsport) has focused on complete production solutions of high efficiency, high quality, high safety, and high stability automobile wheel accessories (including wheel spacers, wheel bolts, wheel nuts, etc.). With over 10 years of professional experience, countless actual measuring, precise mapping, drawing updates, and installation testing, we are committed to designing the safest and best performance automotive wheel accessories. We believe that only high performance can bring more experience and value to customers. The most direct expression of high performance is to follow high standards (ISO, ANSI, DIN, JIS). Digitally present product quality and performance goals, and clearly convey our understanding and interpretation of performance to customers. “Quality, Safety, and Performance” are the consistent pursuit of BONOSS.