Apex EC-7 vs Rotiform ZBF weight
Across the 7 sizes both are made in, the Apex EC-7 is lighter on average by 9.0 lb per wheel (35.9 lb for a set of four). It is lighter in 7 of 7 sizes.
| Size | Apex EC-7 | Rotiform ZBF | Difference |
|---|---|---|---|
| 18×8.5 | 20.1 lb (9.12 kg)ET35 | 28.2 lb (12.77 kg)ET45 | 8.1 lb EC-7 lighter |
| 18×9.5 | 20.5 lb (9.30 kg)ET22 | 29.7 lb (13.47 kg)ET38 | 9.2 lb EC-7 lighter |
| 18×10.5 | 22.5 lb (10.21 kg)ET22 | 31.0 lb (14.07 kg)ET35 | 8.5 lb EC-7 lighter |
| 19×8.5 | 21.9 lb (9.93 kg)ET35 | 30.6 lb (13.87 kg)ET45 | 8.7 lb EC-7 lighter |
| 19×9.5 | 22.9 lb (10.39 kg)ET22 | 33.7 lb (15.27 kg)ET25 | 10.8 lb EC-7 lighter |
| 19×10.5 | 23.9 lb (10.84 kg)ET22 | 32.6 lb (14.80 kg)ET35 | 8.7 lb EC-7 lighter |
| 19×11 | 24.3 lb (11.02 kg)ET44 | 33.2 lb (15.07 kg)ET43 | 8.9 lb EC-7 lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
Apex EC-7
Flow-formed, 12 sizes listed here.
Price ↗ All Apex EC-7 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.