Just Cuz Robotics Dartbox Replacement Shaft


Just Cuz Robotics Dartbox Replacement Shafts

Shafts are the most easily damaged part of most gearmotors. Stock up on spares for cheap!

These replacement shafts come already pressed into a carrier plate with pins installed for planetary gears. They are identical to the 4mm shafts originally shipped inside the gearboxes. Gears and circlip are not included, you will need to make sure not to lose any parts when disassembling your gearbox to replace the shaft!

You may need circlip pliers (or normal needle nose and a lot of care) and a 1.5mm hex wrench.

The HR 135:1 and Drive gearboxes use different final gear stages so the shafts cannot be interchanged between them, unfortunately. The 107:1 however has the same shaft as the Drive gearbox.

Sold as 1 shaft each. Motor not included!


Just Cuz Robotics Dartbox Replacement Shafts

Specifications Details
Material Steel
Compatibility Original DartBox V1 (not square) Drive gearboxes, Dartbox V2
Shaft Diameter 4mm, 6mm
Installation Pre-pressed into carrier plates with pins for easy installation
Additional Tools Needed Circlip pliers, 1.5mm hex wrench (not included)
Quantity 1 shaft per package
Not Included Gears and circlip are not included

To upgrade the motor, follow the same reassembly process as for the original. The videos below should help.

Video for assembling the 6mm upgrade front plate

Video for replacing the existing shaft

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