Design
Supermoto rear sizing
Sized at 4,25 x 17" with a 17 " wheel size, this rear wheel matches the supermoto category focus and provides an OEM-style replacement option within the KTM PowerParts range.
KTM · PowerParts · Wheels
The KTM Rear Wheel 4.25X17" is a KTM PowerParts rear wheel designed for supermoto use and finished in Black. This aluminum wheel (part number 8121020104430) is built around a 17 " wheel size and features a 25mm axle diameter for a precise fit in the correct application.
It is specified as tubeless and is intended for riders replacing or upgrading a rear wheel with KTM-approved components. For installation, a sprocket support and 6 rubber damping blocks are required for fitting. See the specifications below for the key details and listed fitment information.
Design
Sized at 4,25 x 17" with a 17 " wheel size, this rear wheel matches the supermoto category focus and provides an OEM-style replacement option within the KTM PowerParts range.
Construction
Built from Aluminum and finished in Black, the wheel is designed to deliver a durable, purpose-built rear wheel solution while keeping the look clean and factory-correct for compatible KTM setups.
Installation
Specified as tubeless, this rear wheel is intended to support tubeless tire fitment. Confirm tire and setup requirements during installation based on the motorcycle and components being used.
Installation
This wheel is listed as a rear application and uses a 25mm axle diameter. For proper mounting, the manufacturer specifies that a sprocket support and 6 rubber damping blocks are required for fitting. Review the fitment listing shown on the page and ensure the needed parts are on hand before installation.
Construction
As a KTM PowerParts component in the Wheels > Supermoto category, this Rear Wheel 4.25X17" provides a straightforward way to replace a worn or damaged rear wheel with KTM-branded hardware. The Black finish and aluminum material keep the build aligned with KTM’s accessory ecosystem while maintaining the specified 4,25 x 17" sizing.
| Part Number | 8121020104430 |
|---|---|
| Product Line | KTM PowerParts |
| Category | Wheels > Supermoto |
| Colour | Black |
| Approvals | CCCUO |
| Material | Aluminum |
| Alignment | Rear |
| Wheel size | 17 " |
| Model — Model Years |
|---|
| 690 SMC R — 2014–2017, 2019 |
Vehicle compatibility as captured from KTM for article number 8121020104430.
