> For the complete documentation index, see [llms.txt](https://docs.revrobotics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.revrobotics.com/duo-build/ftc-starter-kit-chain-drivetrain/omni-wheel-assembly.md).
# Omni Wheel Assembly
## Omni Wheel Assembly Parts Required
| **PART NUMBER** | **DESCRIPTION** | **QTY.** |
| ------------------------------------------------------- | ---------------------------- | -------- |
| [REV-41-1348](https://www.revrobotics.com/rev-41-1348/) | 5MM X 90MM HEX SHAFT | 1 |
| [REV-41-1325](https://www.revrobotics.com/rev-41-1325/) | 1.5MM SPACER | 1 |
| [REV-41-1324](https://www.revrobotics.com/rev-41-1324/) | 3MM SPACER | 3 |
| [REV-41-1326](https://www.revrobotics.com/rev-41-1326/) | THROUGH BORE BEARING - SHORT | 1 |
| [REV-41-1329](https://www.revrobotics.com/rev-41-1329/) | THROUGH BORE BEARING - LONG | 1 |
| [REV-41-1327](https://www.revrobotics.com/rev-41-1327/) | SHAFT COLLAR | 1 |
| [REV-41-1338](https://www.revrobotics.com/rev-41-1338/) | 15 TOOTH #25 SPROCKET | 1 |
| [REV-41-1340](https://www.revrobotics.com/rev-41-1340/) | 20 TOOTH #25 SPROCKET | 1 |
| [REV-41-1190](https://www.revrobotics.com/rev-41-1190/) | 90MM OMNI WHEEL | 1 |
## Omni Wheel Assembly Steps
| | |
| ------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------- |
| 
| Slide a Through Bore Bearing – Short onto the shaft. |
| 
| Slide a 1.5mm Spacer onto the shaft. |
| 
| Slide a 15 Tooth #25 Sprocket onto the shaft. |
| 
| Slide a 3mm Spacer onto the shaft. |
| 
| Slide a 20 Tooth #25 Sprocket onto the shaft. |
| 
| Slide a Shaft Collar onto the shaft. |
| 
| Slide the 90mm Omni Wheel onto the shaft. |
| 
| Slide a 3mm Spacer onto the shaft. |
| 
| Slide a 3mm Spacer onto the shaft. |
| 
| Slide a Through Bore Bearing – Long onto the shaft. |
| 
| Repeat the steps above until you have two compete Traction Wheel Assemblies. Set aside for later. |