3mm Hexagonal Shaft Adapter for LEGO Wheels (Pair)
This adapter allows 3mm hexagonal shafts, the kind found on many Tamiya gearboxes, to be connected to LEGO’s wide variety of high-quality wheels. The adapters are sold in pairs.
Alternatives available with variations in these parameter(s): shaft diameter Select variant…
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This adapter makes it possible to use LEGO wheels with 3mm hexagonal shafts, like the ones found on many Tamiya gearboxes. These are great, inexpensive gearboxes for building small robots, and LEGO makes a number of very high-quality wheels as part of their Technic and Mindstorms product lines, many of which would also be excellent for use on a small robot. With this adapter, you can integrate LEGO wheels of your choice into a robot. We sell the adapters in pairs, so that you can make a two-wheeled robot.
- Fit the adapter onto the hexagonal metal shaft. You will need to push quite hard; be careful not to damage the shaft or gearbox.
- Slide the adapter into a LEGO wheel of your choice.
The adapter fits very tightly on the metal shaft, so that it will remain attached to the shaft when the wheel is removed. We recommend that you leave the adapter permanently attached to the metal axle; repeated removal and insertion may loosen the connection, making it more likely to fall off.
The adapter is made of ABS plastic, similar to the plastic used in LEGO blocks.
The adapter can be used with any LEGO wheel that accepts a standard axle, as long as the tire does not extend more than 0.35" beyond the inner edge of the hub so that the gearbox body will not rub against the tire.
LEGO® is a trademark of the LEGO Group of companies, which does not sponsor, authorize, or endorse this site or its products.
People often buy this product together with:
|Tamiya 70105 3mm Diameter Shaft Set|
|Tamiya 70168 Double Gearbox Kit|
|Pololu Universal Aluminum Mounting Hub for 3mm Shaft, #2-56 Holes (2-Pack)|