Back solid axle set for X10 includes graphite solid axle shaft, aluminum backside wheel hub and hardware. Super-light and tough graphite shaft gives perfect balance and smoothness for vibration-free operation. Improves steering in high traction conditions. These spur gears fit the X10 Solid Axle: #375872 COMPOSITE SPUR GEAR - 72T/64P #375875 COMPOSITE SPUR GEAR - 75T/64P #375876 COMPOSITE SPUR GEAR - 76T/64P #375878 COMPOSITE SPUR GEAR - 78T/64P #375880 COMPOSITE SPUR GEAR - 80T/64P #375884 COMPOSITE SPUR GEAR - 84T/64P #375888 COMPOSITE SPUR GEAR - 88T/64P #375892 COMPOSITE SPUR GEAR - 92T/64P
