Konig F5R vs Rotiform ZBF weight
Across the 6 sizes both are made in, the Konig F5R is lighter on average by 12.5 lb per wheel (50.1 lb for a set of four). It is lighter in 6 of 6 sizes.
| Size | Konig F5R | Rotiform ZBF | Difference |
|---|---|---|---|
| 18×8.5 | 17.1 lb (7.75 kg)ET35 | 28.2 lb (12.77 kg)ET45 | 11.1 lb F5R lighter |
| 18×9.5 | 17.6 lb (7.98 kg)ET45 | 29.7 lb (13.47 kg)ET38 | 12.1 lb F5R lighter |
| 18×10.5 | 18.7 lb (8.50 kg)ET14 | 31.0 lb (14.07 kg)ET35 | 12.3 lb F5R lighter |
| 19×8.5 | 18.2 lb (8.26 kg)ET42 | 30.6 lb (13.87 kg)ET45 | 12.4 lb F5R lighter |
| 19×9.5 | 18.9 lb (8.56 kg)ET45 | 33.7 lb (15.27 kg)ET25 | 14.8 lb F5R lighter |
| 19×11 | 20.8 lb (9.43 kg)ET15 | 33.2 lb (15.07 kg)ET43 | 12.4 lb F5R lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
Konig F5R
Forged, 12 sizes listed here.
Price ↗ All Konig F5R sizesRotiform ZBF
7 sizes listed here.
Price ↗ All Rotiform ZBF sizesIs the weight difference worth it?
A pound saved at the wheel counts for more than a pound saved in the car, because it also has to be spun up and slowed down. Here's how much it really matters.