Grid Wheels 4A20120BIN GD04 20x12 Black Wheel Spoke Insert Set

The Grid Off-Road GD4 (4A20120BIN) is a 20x12 one-piece cast aluminum off-road wheel finished in Matte Black with directional spoke inserts. Engineered for trucks, SUVs, and Jeeps that demand aggressive styling and proven durability, the GD4 is one of Grid's most popular cast wheel designs.

The GD4 features a bold multi-spoke design with interchangeable directional inserts that can be swapped to customize the wheel's appearance. The 20x12 sizing paired with a -44mm offset delivers the deep-dish, aggressive stance that off-road and overland builds require. The one-piece cast aluminum construction keeps weight in check while providing the structural integrity needed for demanding trail use.

Key Features:

• Size: 20-inch diameter x 12-inch width
• Finish: Matte Black with directional spoke inserts
• Offset: -44mm
• Backspacing: 4.77 inches
• Construction: One-piece cast aluminum
• Lug Compatibility: Available in 5, 6, and 8 lug configurations
• Hub Bore: 87.1mm (5-lug) / 125.5mm (8-lug) — varies by bolt pattern
• TPMS Compatible
• Interchangeable directional inserts in chrome, black, carbon fiber, or color-matched options
• Custom backspacing and offset options available

The Grid GD4 is part of the brand's GD Series — one-piece cast wheels featuring vehicle-specific bolt patterns and custom backspacing, built for light-duty trucks, heavy-duty trucks, Jeeps, and more. Whether you're building a lifted daily driver or a dedicated trail rig, the GD4 in 20x12 Matte Black delivers the aggressive, wide-body look to match.