Maxx High-Torque Metal Gear ServoPart 2085XLUPC: 020334001894 Servo, digital high-torque, metal gear (ball bearing), waterproof/ servo saver spring/ steering linkTraxxas 2085XL Maxx High-Torque Metal Gear Servo X-MAXX/XRTSKU: 2085XL$99.95PriceQuantity*Add to CartBuy Now