Secraft Aluminum Wheel Collars – 4.1mm Hole Diameter (Silver, 4-Pack)

The Secraft Aluminum Wheel Collars (4.1mm, Silver) offer a strong yet lightweight solution for securing wheels, gears, or rotating components on your RC shafts. Precision-machined from durable aluminum, these collars provide a tight, reliable hold without adding excess weight—making them ideal for performance-focused builds.

Each pack includes four (4) wheel collars with 4.1mm inner diameter, perfect for 4mm shafts with a bit of clearance for smooth installation. Finished in a sleek silver anodizing, they add both function and a clean look to your RC model.

Key Features:

• Hole Diameter: 4.1mm (ideal for 4mm shafts)

• Material: Lightweight CNC-machined aluminum

• Finish: Silver anodized

• Quantity: 4 per package

• Includes: Set screws for secure locking

• Applications: RC cars, aircraft, boats, robotics, gear assemblies

• Benefits:

  • Strong and lightweight