-Compatible with: Traxxas 1/18 TRX-4 M Defender and Bronco. -Upgrade the bearings, more durable and improve the hardware performance. -High quality of Steel material, high speed seal bearings. -Dimensions as the picture shown.
Installation Instruction:
-Front axle & C hubs: 4X8X3mm (2); 5X8X2.5mm(2); 3X6X2.5mm (2)