Injora YQW-MW1308SR Gold/Chrome 1.3" ModuWheel Brass & Aluminum Micro Rock Crawler Beadlock Wheels 43g ea - 4 Pack INJORA ModuWheel 1.3" Brass & Aluminum Beadlock Wheels, Negative Offset, for 1/18 1/24 RC Crawlers. FEATURES: High precision CNC machined Replaceable wheel faces modular design Negative offset offers wider spacing, enhance stability and overall performance 1.3" wheel will set you ahead of the curve with performance and looks SPECIFICATIONS: Material: Brass & Aluminum Negative offset: 4.05mm Outer Diameter: 33.5mm (1.32in) Width: 16.5mm (0.65in) Wheel Hub: 7mm (0.28in) Each Weight: 43g/pcs (0.094lb)