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Your items may arrive sooner than the estimated delivery date. Ralph Lauren reserves the right to send packages via other shipping methods based on the shipping destination as long as orders will still arrive within the arrival times outlined on RalphLauren.com.
When you choose the Economy delivery option, packages are delivered Monday through Saturday 8 AM to 4:30 PM. Orders sent by Fast, 2-Business-Day or Next-Day shipping methods are delivered Monday through Friday from 8 AM to 4:30 PM.
We recommend choosing Fast or Next-Day delivery if you are shipping your package to a business address. You will be asked to provide a telephone number on the shipping page of checkout, which is important in the event the courier needs to arrange a delivery time with you.
You will also be asked to provide an email address, to which we will send confirmation that your order was placed.
What is the function of the Differential Lock Mounting on the YIKONG YK4107 RC Car?
The Differential Lock Mounting (Part No. 21036) is designed to securely hold and support the differential lock mechanism on the YIKONG YK4107 RC Car. It helps keep the components properly aligned and prevents movement caused by vibration or impacts during driving.
A properly installed differential lock mounting ensures the differential lock operates smoothly, providing stable power transfer and improved off-road performance when crawling over challenging terrain. It is also an essential original replacement part for repairing or replacing the differential lock assembly.
About YIKONG YK4107 RC Car
Tank U-turn function to meet special climbing requirements;
Adopting the new LCG chassis;
25KG high-torque servo metal gear, improved servo buffer protection device.
Climbing mode and competition mode.
Every package has a unique logistics tracking number, please don't worry.