BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (1)
BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (2)
BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (3)
BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (4)
BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (1)
BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (1)

ACTIVE COOLING TECHNIQUE

The heat dissipation grooves behind the spacers are boosting the cooling efficiency, reducing brake thermal decay.

BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (2)
DISASSEMBLY GROOVES

Act as air collectors which tremendously enlarges the airflow, enhancing the heat dissipation effect.

BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (3)
SEAL DESIGN

Prevent rainwater or debris from entering the axle-spacer-wheel connection.

BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (4)
SYMMETRICAL DESIGN

So the heat dissipation can be effectively achieved.

BONOSS Forged Active Cooling Wheel Spacers Hubcentric Car Spacers Safe (1)

Side Knurling Design

It enlarges the side area so that it can contact more air, boost the heat dissipation effect, and also reduce internal stress.

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WHEEL SPACERS

TITANIUM BOLTS

EXTENDED BOLTS

ALUMINUM NUTS

TITANIUM NUTS

WHEEL ADAPTERS

WHEEL SPACERS

TITANIUM STUDS

MAGNETIC OIL PLUG


What’s New

10% Off!

Stylish Upgrade! Get Up to 10% Off until 20th May with Coupon Code: sud10

Hot Sale!

Best style, enjoy a whole new level of driving experience!

BONOSS Home Titanium Stud Conversion Kit


Professional Production

BONOSS Forged Active Cooling Hubcentric Wheel Spacers Production Home CHZ (2)

Super Forged Process

More compact internal structure, stronger, harder, tougher…

BONOSS Forged Active Cooling Hubcentric Wheel Spacers Production Home CHZ (3)

CNC 0.02mm Machining

Better surface quality, higher reliability, no vibration…

BONOSS Forged Active Cooling Hubcentric Wheel Spacers Production Home CHZ (1)

BONOSS Logo Engraved

Well-guaranteed quality, a good user experience…

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.

3000+ Measurements

BONOSS Forged Active Cooling Hubcentric Wheel Spacers 3000+ Actual Measurement Home CHZ

Pitch Circle Diameter (PCD)

BONOSS always insists on actual independent measuring…

BONOSS Forged Active Cooling Hubcentric Wheel Spacers 3000+ Actual Measurement Home CHZ (2)

Wheel Hub Bore

We promise to provide more precise and reliable products…

BONOSS Forged Active Cooling Hubcentric Wheel Spacers 3000+ Actual Measurement Home CHZ (1)

Vehicle Center Bore (CB)

Parallelism, perpendicularity, and coaxiality affect…


More SGS TÜV Test Reports

MORE RELIABLE

Over 66 SGS TÜV Test Reports

SGS and TÜV are the world’s famous inspection, verification, testing, certifications. So far, BONOSS has achieved excellent scores in numerous SGS TÜV test reports.

What are wheel spacers before and after? What size wheel spacers do I need? Check these BONOSS wheel spacers example cases and find the answers…

Are wheel spacers good or bad? Is it safe to run spacers? Will spacers affect ride quality? Can spacers fail? Check these professional review blogs of BONOSS technical team…

Can you make 5×120 to 5×114.3 wheel adapters? Yes, we can make them within 1–3 days, and OEM/ODM is available. Check the BONOSS custom wheel spacers process…

Nothing speaks the truth better than actual customer feedback! Check all of these videos made by our customers and learn about their user experiences…

Get information and service about BONOSS officially certified dealers, suppliers, and distributors in over 200 countries and regions.