INJORA 12mm Wheel Hex Hub Set 4pcs (Silver 6mm) for 1/10 RC Crawler SCX10 TRX4 D90

This INJORA Wheel Hex Hub set gives your 1/10 RC crawler a quick way to increase wheel track width and add a little extra weight for improved stability. Each hub is 12mm in size and machined from aluminum alloy in a silver finish. The set includes four pieces, enough for one vehicle, and works with 1.9 or 2.2 inch rims that have a 6-hole pattern. They are a direct fit for popular models like the Axial SCX10, Traxxas TRX4, and D90.

Specs at a glance

Which RC crawlers will these fit?

The hex hubs are designed for 1/10 scale RC crawlers that use a 12mm wheel hex and have rims with six holes. According to the manufacturer, they are a good fit for the Axial SCX10, Traxxas TRX4, and D90. Many other 1/10 crawlers with the same hex size and rim bolt pattern should also work, but it is always best to confirm your vehicle's wheel hex size before ordering.

How do they improve performance?

By pushing the wheels outward, these hex hubs widen the vehicle's stance. That extra width, combined with the small amount of added weight from the aluminum hubs, helps the crawler stay more planted on side slopes and rough terrain. The extension is modest but noticeable — enough to give you a bit more confidence on tricky lines without drastically changing the geometry.

What to consider before you buy

Will these work with my Traxxas TRX4?

Yes, they are listed as compatible with the TRX4, provided your rims have a 6-hole pattern and are 1.9 or 2.2 inches.

Do I need any extra parts?

You will need your own M3 or M4 wheel nuts (depending on your axle) since screws are not included in this set. The hex hubs themselves simply slide onto the axle stubs and are held in place by the wheel nut.

Are these the same as the 12mm hex hubs that come stock on most SCX10s?

They are the same 12mm hex size, but these have a 6mm offset that pushes the wheels out a bit. Stock SCX10 hex hubs are typically zero-offset, so you will gain about 6mm of width per side with this set.

What is the material quality like?

The hubs are made from aluminum alloy, which is stronger than plastic and resists stripping over time. The silver anodized finish also helps prevent corrosion during wet runs.

This INJORA hex hub set is a straightforward upgrade for any 1/10 crawler running 12mm hex wheels. The small investment in width and stability can make a real difference on the trail.