CNC Machined Smooth Anodized Black Finish Aluminum Housing Hardened Steel Spool Gears Full Ball Bearings Standard 12mm hex Updated Curved Steering Links Designed for 1:10 Scale Truck Front axle size Total Width: 195mm / 7.68in Pin to Pin Width: 170mm / 6.69in Bevel Gear Set: 40T/15T Gear Ratio:2.67:1 Weight: 198g Rear axle size Total Width: 195mm / 7.68in Pin to Pin Width: 172mm / 6.77in Bevel Gear Set: 40T/15T Gear Ratio:2.67:1 Weight: 146g