package of 2 Wheel 130mm + Metal Coupler 4mm

Electra Store SKU: MP-26645

800.00 EGP 900.00 EGP Save 11.11%

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Categories: Wheels

Overview

This dual-wheel and coupler combo includes two 130mm diameter wheels and a 4mm metal shaft coupler, designed for robotics, motorized carts, and DIY automation projects. Perfect for Arduino, Raspberry Pi, and small motor setups, this kit provides smooth mobility and secure shaft attachment.

Description

Key Features:

✔ Wheel Specs:

Diameter: 130mm (5.1 inches)
Material: Durable rubber tread with plastic hub
Width: 30mm (1.2 inches)
Shaft Hole: 4mm (fits common DC gear motors)

✔ Coupler Specs:

Shaft Size: 4mm to 4mm (metal grub screw design)
Material: Aluminum alloy (lightweight, rust-proof)
Length: 20mm

✔ Load Capacity: Up to 5kg per wheel (for light to medium-duty bots)

Applications:

Robot Cars & AGVs – Line followers, obstacle-avoidance robots
DIY Mobility Projects – Motorized trolleys, conveyor prototypes
Educational Kits – STEM/STEAM robotics learning
Camera Dolly Wheels – Smooth rolling for filming rigs

How to Use:

Attach the coupler to a 4mm motor shaft (e.g., TT motor, N20 gearmotor).
Secure the wheel onto the coupler using the grub screws.
Repeat for the second wheel to create a balanced drive system.

Package Includes:

2× 130mm Rubber Wheels (4mm bore)
1× 4mm Metal Shaft Coupler
Grub Screws

Why Choose This Combo?

✅ Ready-to-Roll – No need to buy wheels/couplers separately. ✅ Stable Grip – Rubber tread prevents slipping on smooth surfaces. ✅ Wide Compatibility – Works with most 4mm shaft motors (check motor specs).