Replacement Shaft for DartBox V2

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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 planet 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! I will upload a video showing how to swap shafts when I have time. You may need circlip pliers (or normal needle nose and a lot of care) and a 1.5mm hex wrench (the same size included with any of my Motor Mount Plate orders). In the future, I may look into providing replacement circlip pieces. The 107:1 however has the same shaft as the Drive gearbox. The 135:1 shafts are discontinued as of 5/29/24, as none of the 135:1 gearboxes have been for sale in about 2 years. These shafts should be compatible with original DartBox V1 (not square) Drive gearboxes. I have no information as to if they are compatible with any gearbox besides those above. Sold as 1 shaft each. Motor not included! We have a few replacement screws and E-clips available. If you do lose an E-clip, screw, or other gearbox component, use the Contact Us page to email and request them as we have a limited supply on hand. Show more