Crafted for Chevy and GMC Trucks. These 18 inch wheels are engineered with 6x139.7 6x5.5 bolt pattern to ensure a perfect fit for Chevy Colorado (2023-2026), Silverado 1500 (1999-2026). Also a perfect fit for GMC Canyon (2023-2026), Sierra 1500 (1999-2026). Aggressive Off-Road Stance: Featuring a -12mm offset and 4.5in backspace, these rims provide a wider track and than factory wheels, giving your truck the rugged, aggressive profile needed for off-roading without the need for wheel spacers. High-Strength: Made with A356 Aluminum alloy and tested to SAE J2530 specs, these lightweight wheels give more clearance for oversize tires and aftermarket lift kits compared to traditional factory steel rims while maintaining the required load ratings. Versatile Truck SUV Compatibility: Designed with a 106.1mm center bore, these wheels are also compatible with Chevy Tahoe, Suburban, and GMC Yukon (6-lug models), making them a reliable upgrade across the full Chevy GM 1500 platform. Hardware Requirements: This 18 inch wheel requires conical/cone seat lug nuts for a proper fit; some factory lug nuts are NOT compatible. Compatible with OEM TPMS Sensors. Professional installation is recommended. ASIN B0CJ5TBVVD Size 18x9 -12mm offset Color Matte Black Rim Size 18 Inches Rim Width 9 Inches Brand Name RockTrix Load Index 112.0 Unit Count 1.0 Count Wheel Size 18 Inches Item Weight 33 Pounds Manufacturer RockTrix Item Diameter 18 Inches Material Type Aluminum Item Type Name Wheel Exterior Finish Matte Wheel Backspacing 4.5 Inches Included Components Wheel, Center Cap, Hubring Pitch Circle Diameter 139.7 Millimeters Manufacturer Part Number RT114-18x9-6x139.7-et-12-MB-alt Compatible with Vehicle Type SUV, Truck Manufacturer Warranty Description 1-Year Limited Warranty covering manufacturing defects