
Rock Forged FF15 20x10 -19mm Bronze with Black Lip
$307.52
per wheel
$1,230.08 Set of 4
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Specifications
| Brand | Rock Forged |
| Model | FF15 |
| Part Number | FF15-201063539-19BZBL |
| Diameter | 20" |
| Width | 10 |
| Offset | -19 |
| Bolt Pattern | 6x135 (6x5.31), 6x139.7 (6x5.5) |
| Centerbore / Hub | 106.10mm |
| Backspace | 4.75 |
| Material | Flow Formed |
| Construction | 1-Piece |
| Fitment Note | Lifted Truck |
| Hidden Lugs | Yes |
| Load Rating | 1763 lbs |
| Weight | 33.35 lbs |
| Color | Bronze |
| Finish | Bronze with Black Lip |
About the Rock Forged FF15
The Rock Forged FF15 is built using a flow-forming manufacturing process, a technique that applies high-pressure rollers to a cast aluminum barrel while spinning, stretching and aligning the metal grain structure. This process increases tensile strength beyond standard casting while reducing overall wheel weight — delivering a performance-oriented construction at an accessible price point compared to full-forged alternatives.
This Rock Forged FF15 is available in 20x10, -19mm offset, 6x135,6x5.5 bolt pattern. Finished in Bronze with a Black Lip.