Feature: 1. Durable Construction: High strength aluminum alloy housing, steel internal gears and drive shafts provide long lasting durability and extended service life. 2. Exquisite Workmanship: CNC precision machined, anodized. High quality, reliable in use and beautiful in appearance. 3. High Performance: Provides higher ground clearance and reduces torque on other drivetrain components for improved performance. 4. Perfect Fit: Equipped with steering gear, the pedals fit perfectly with the remote control car, which can improve the control performance of the remote control car and make it more attractive. 5. Strong Load Capability: Larger load bearings are used around the gear kit to reduce flex and create a stronger drivetrain. Specification: Item Type: Front Rear Portal Axle Set Shell Material: Aluminum alloy Straight Shaft Material: Hardened stainless steel Bevel Gear Material: Steel Gear Material: Hardened Steel Lock Bridge Overall Length: Approx. 223mm/8.78inHex To Hex Mounting Point Distance: Approx.187mm/7.36in Bridge Egg Height: Approx. 40mm/1.58in (without reinforcement bracket) Input Shaft Diameter: Approx. 5mm/0.2in Output Shaft Diameter: Approx. 4mm/0.16in Hexagonal Coupler: Approx. 12mm/0.47in Hex Width: Approx. 7mm/0.28in Gear: 30T/8T Overall Gear Ratio: 3.75: 1 For Axial SCX10 I II 90046 SCX10 III AXI03007 YK4082 YK4102 YK4103 RC Track. Package List: 1 x Front Axle1 x Rear Axle2 x Servo2 x Pedal1 x Plastic Tube6 x Servo Arm6 x Servo Screw4 x Combiner1 x Servo Arm2 x Accessory16 x Screw8 x Nut4 x Pin4 x Machine Screw2 x Brass Stud2 x Spring Note: 1. Please allow 1‑3mm error due to manual measurement. Thanks!2. The monitor calibration is inconsistent, the color of the item shown in the photo may be slightly different from the actual object.