Fuel Covert vs KMC GRS weight
Across the 4 sizes both are made in, they weigh about the same: within 0.1 lb per wheel on average.
| Size | Fuel Covert | KMC GRS | Difference |
|---|---|---|---|
| 17×8.5 | 32.6 lb (14.79 kg)ET14 | 31.8 lb (14.43 kg)ET0 | 0.8 lb GRS lighter |
| 17×9 | 30.2 lb (13.69 kg)ET-12 | 32.8 lb (14.89 kg)ET18 | 2.6 lb Covert lighter |
| 18×9 | 36.5 lb (16.54 kg)ET20 | 35.2 lb (15.98 kg)ET-12 | 1.2 lb GRS lighter |
| 20×9 | 41.8 lb (18.98 kg)ET20 | 41.3 lb (18.71 kg)ET0 | 0.6 lb GRS lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
Fuel Covert
7 sizes listed here.
Price ↗ All Fuel Covert sizesKMC GRS
5 sizes listed here.
Price ↗ All KMC GRS 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.