# 24 mm RC wheel hex

> What size is a 24 mm RC wheel hex and which cars use it?

- Category: RC cars › Wheel hexes
- Kind: Standard part
- Basis: Manufacturer specifications (ARRMA (Horizon Hobby), OzRC (retailer, Traxxas spec copy))
- Page: https://xemstudio.com/objects/rc-wheel-hex-24mm/ · JSON: https://xemstudio.com/api/geometry?object=rc-wheel-hex-24mm · Plain text: https://xemstudio.com/objects/rc-wheel-hex-24mm/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width |
|---|---|
| 24 | 24 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- A 24 mm wheel hex is the hexagonal drive between axle and wheel; 24 mm is the across-flats size. The file is a 24 mm across-flats hexagon profile.
- Hex thickness, drive-pin size and bore are not published as a standard and are not modelled. The X-Maxx version is splined.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

## Sizes

| dimension | value |
|---|---|
| Across flats | 24 mm |
| Used on (published) | Traxxas X-Maxx (24 mm splined), ARRMA Kraton 8S |

## Where the files are

- ARRMA (Horizon Hobby): [1/5 Kraton 8S 4X4 RTR](https://www.arrma-rc.com/rc-cars/latest/kraton/8s-blx) — web — Publisher's page; dimensions are facts
- OzRC (retailer, Traxxas spec copy): [X-Maxx 8S 77096-4](https://ozrc.com.au/products/traxxas-x-maxx-8s-1-6-4wd-brushless-monster-truck-rtr-w-belted-tyres-blue-77096-4) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/rc-wheel-hex-24mm/index.json

- rc-wheel-hex-24mm-hex-profile: [STEP](https://xemstudio.com/files/hardware/rc-wheel-hex-24mm/rc-wheel-hex-24mm-hex-profile.step) · [STL](https://xemstudio.com/files/hardware/rc-wheel-hex-24mm/rc-wheel-hex-24mm-hex-profile.stl) — Hexagon 24 mm across flats, 1 mm reference thickness (hub length not published)

## Questions

**Which RC cars use 24 mm hexes?**

Traxxas X-Maxx (24 mm splined), ARRMA Kraton 8S.

## Fits with

- [7 mm RC wheel hex](https://xemstudio.com/objects/rc-wheel-hex-7mm/)
- [12 mm RC wheel hex](https://xemstudio.com/objects/rc-wheel-hex-12mm/)
- [14 mm RC wheel hex](https://xemstudio.com/objects/rc-wheel-hex-14mm/)
- [17 mm RC wheel hex](https://xemstudio.com/objects/rc-wheel-hex-17mm/)