On an electric vehicle, unsprung mass has a direct and measurable effect on driving range. Every extra kilogram the suspension must control at each corner consumes energy — through increased rolling resistance, through the motor working harder to accelerate rotating mass, and through the regenerative braking system recovering less efficiently. The Kia EV9 ships with 21-inch cast alloy wheels weighing around 14 kg each. Replace them with forged monoblock rims and each wheel drops to approximately 10-11 kg. That is 12-16 kg of unsprung mass removed from the car. On a vehicle where every watt-hour matters, that saving translates into real-world range — conservatively 2-4% in mixed driving.
The Bete Noire Ver1.2 is a clean, aerodynamically considered design with broad spokes that minimise turbulent airflow around the brake area. The surfaces are flat and uncluttered, complementing the EV9's squared-off, geometric design language. This is not a wheel designed for a sports car and forced onto an SUV — it was generated specifically for the EV9's visual proportions. In satin black, the Ver1.2 recedes into the bodywork and lets the car's bold surfaces do the talking. In brushed aluminium, it adds a technical, industrial quality that suits the EV9's futuristic stance.
| Bolt pattern | 5x114.3 |
| Recommended diameter | 21" |
| Width range | 8.5J — 9.5J (square setup) |
| Offset range | ET35 — ET48 |
| Centre bore | 67.1 mm |
| Material | 6061-T6 forged aluminium |
| Weight | ~30% lighter than equivalent cast wheel |
A square setup (same width front and rear) is standard for the EV9's all-wheel-drive system and allows tyre rotation, which extends tyre life — important given the EV9's weight and the cost of 21-inch tyres. For a detailed comparison of wheel construction methods, read our forged vs flow-formed vs cast guide.
The Ver1.2 was generated by Hodoor's AI wheel design programme. The system produces thousands of unique wheel concepts daily, each validated for structural integrity, brake clearance, and CNC manufacturability. The design phase is free — you only pay when a concept moves to production.
If none of the AI concepts appeal, our in-house designer creates bespoke options from your references. Both routes lead to the same CNC-machined 6061-T6 billet, the same inspection process, and the same four-to-eight-week lead time.
Will lighter wheels actually improve my EV9's range?
Yes. Reducing unsprung and rotating mass decreases the energy required for acceleration and improves regenerative braking efficiency. The effect is most pronounced in city driving with frequent stops and starts. Expect a 2-4% range improvement depending on driving style and conditions.
Are these compatible with the EV9's tyre pressure monitoring system?
Yes. The wheels accept standard Kia TPMS sensors. Your existing sensors transfer directly from the factory wheels.
Can I fit these to the EV9 GT-Line or only the standard model?
All EV9 variants share the 5x114.3 bolt pattern and 67.1 mm centre bore. The GT-Line and standard model have identical wheel mounting specifications. Choose your wheel size based on your preferred tyre profile and visual preference.
Browse other EV-compatible designs in the AI wheels collection. For technical background on wheel materials, read our forged wheel upgrade guide.
To order or request a custom colour, email [email protected] with your vehicle details.
