Just 'Cuz Flange Hubs (4, 5, and 6mm bore)

Three Grams of Mighty Holding Power!

If you need maximum torque transfer from a motor to a 3D printed wheel, pulley, arm, or gear, these flange hubs are perfect for you! Designed to work with a wide range of motors including 4mm and 6mm DartBox Gearmotors as well as 5mm shaft brushless motors. Made from strong yet lightweight 6061 aluminum, at 1/3rd the weight of brass or steel, these hubs will fit in well on almost any bot! These secure to a shaft with two M4 screws, make sure to align one or both with a flat on the shaft for best results. 

CAD models included here.

Each package contains one (1) hub, and two (2) M4 x 4mm set screws!

These hubs are compatible with:

• DartBox Viper & Dragon Drive and HR 4mm + 6mm Gearmotors
• DartBox Gecko 4mm + 6mm Gearmotors
• Just 'Cuz 2306 1000kv Brushless Motors
• Servocity Premium Planetary Gear Motor
• Servocity Econ Spur Gear Motor
• Rectified Robotics Brushless Gearmotor
• Repeat Robotics Repeat Max Gearmotor
• Fingertech Mega Spark Gearmotor
• Botkits 22mm DC Gearmotor
• Double Geared 25mm Motors
• Any other 4mm, 5mm or 6mm shaft motors!

Specifications

• Material: 6061 Aluminum, strong and lightweight
• Length: 0.3in (7.62mm), fits inside 1 inch (25.4mm) diameter circle
• 4X M4 threads on a 0.75" bolt circle
• Weights: 4mm ~ 3.03g, 5mm ~ 2.91g, 6mm ~ 2.75g including set screws!
• Drawing below, all dimensions in inches [mm]

Motors not included.