BBS RI-A vs Enkei RPF1 weight
Across the 10 sizes both are made in, the Enkei RPF1 is lighter on average by 0.2 lb per wheel (0.9 lb for a set of four). It is lighter in 6 of 10 sizes.
| Size | BBS RI-A | Enkei RPF1 | Difference |
|---|---|---|---|
| 16×7 | 12.6 lb (5.71 kg)ET48 | 13.7 lb (6.21 kg)ET35 | 1.1 lb RI-A lighter |
| 17×7.5 | 15.2 lb (6.89 kg)ET44 | 15.2 lb (6.92 kg)ET48 | same |
| 17×9 | 16.3 lb (7.39 kg)ET40 | 15.7 lb (7.10 kg)ET45 | 0.7 lb RPF1 lighter |
| 18×7.5 | 17.3 lb (7.86 kg)ET48 | 16.9 lb (7.67 kg)ET48 | 0.4 lb RPF1 lighter |
| 18×8 | 17.4 lb (7.89 kg)ET52 | 18.0 lb (8.14 kg)ET45 | 0.5 lb RI-A lighter |
| 18×8.5 | 17.9 lb (8.12 kg)ET38 | 18.8 lb (8.55 kg)ET40 | 1.0 lb RI-A lighter |
| 18×9 | 18.2 lb (8.26 kg)ET45 | 17.1 lb (7.76 kg)ET35 | 1.1 lb RPF1 lighter |
| 18×9.5 | 18.5 lb (8.39 kg)ET35 | 17.4 lb (7.89 kg)ET45 | 1.1 lb RPF1 lighter |
| 18×10 | 19.6 lb (8.89 kg)ET40 | 18.5 lb (8.37 kg)ET38 | 1.1 lb RPF1 lighter |
| 18×10.5 | 19.4 lb (8.80 kg)ET37 | 19.1 lb (8.64 kg)ET15 | 0.4 lb RPF1 lighter |
Each cell is the lightest offset made in that size. Weights are manufacturer figures unless marked as measured.
BBS RI-A
Forged, 14 sizes listed here.
Price ↗ All BBS RI-A sizesEnkei RPF1
Flow-formed, 18 sizes listed here.
Price ↗ All Enkei RPF1 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.