Apex ARC-8 vs Konig F1M weight
Across the 12 sizes both are made in, the Konig F1M is lighter on average by 2.0 lb per wheel (7.9 lb for a set of four). It is lighter in 11 of 12 sizes.
| Size | Apex ARC-8 | Konig F1M | Difference |
|---|---|---|---|
| 18×8.5 | 18.5 lb (8.37 kg)ET38 | 17.4 lb (7.91 kg)ET42 | 1.0 lb F1M lighter |
| 18×9 | 18.0 lb (8.19 kg)ET30 | 18.2 lb (8.26 kg)ET42 | 0.2 lb ARC-8 lighter |
| 18×9.5 | 19.2 lb (8.71 kg)ET22 | 18.1 lb (8.21 kg)ET44 | 1.1 lb F1M lighter |
| 18×10 | 19.9 lb (9.05 kg)ET25 | 18.4 lb (8.34 kg)ET25 | 1.6 lb F1M lighter |
| 18×10.5 | 21.4 lb (9.71 kg)ET22 | 19.1 lb (8.67 kg)ET25 | 2.3 lb F1M lighter |
| 18×11 | 20.8 lb (9.44 kg)ET44 | 19.1 lb (8.65 kg)ET44 | 1.7 lb F1M lighter |
| 19×9 | 20.5 lb (9.30 kg)ET28 | 18.8 lb (8.52 kg)ET50 | 1.7 lb F1M lighter |
| 19×9.5 | 21.0 lb (9.50 kg)ET22 | 19.0 lb (8.64 kg)ET44 | 1.9 lb F1M lighter |
| 19×10 | 21.9 lb (9.96 kg)ET20 | 19.2 lb (8.73 kg)ET12 | 2.7 lb F1M lighter |
| 19×10.5 | 23.0 lb (10.41 kg)ET22 | 19.8 lb (9.00 kg)ET36 | 3.1 lb F1M lighter |
| 19×11 | 24.5 lb (11.11 kg)ET11 | 20.4 lb (9.23 kg)ET18 | 4.1 lb F1M lighter |
| 19×12 | 24.0 lb (10.89 kg)ET41 | 21.5 lb (9.75 kg)ET65 | 2.5 lb F1M lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
Apex ARC-8
Flow-formed, 17 sizes listed here.
Price ↗ All Apex ARC-8 sizesKonig F1M
Forged, 15 sizes listed here.
Price ↗ All Konig F1M 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.