Original Name / Part No:MC19+MC26+MA11+C10This item includes :Front CVD joint-2PCSRear drive shaft-2PCS12.5mm wider hex-4PCSStainless Steel Pin 2x10-4PCS4.0 E clips-4PCSProduct major functions & use:Extended length by 12.5mm to widen the wheel track to push more stable and smooth.Major options that come with updating with this part/product :1.Made by harden metal #45 for more powerful use and smooth driving performance.2. Extensive size by 12.5mm to widen the wheel track to drive more stable and smooth.3.Stub axle is 12.5mm wider than original