Description
The clutch hub is the mechanical heart of your primary clutch system, and wear or damage here directly compromises engagement precision and power delivery. A failing hub forces sloppy shifts, inconsistent throttle response, and accelerated wear on your entire clutch assembly. This PROX replacement restores OEM-spec performance with precision-cast and machined construction, ensuring reliable clutch engagement lap after lap.
Whether you’re running stock or upgraded clutch baskets, this hub maintains the exact tolerances needed for predictable performance. Installation is straightforward—no special tools or fabrication required—making it an essential maintenance item for any serious RM-Z250 rider.
- OEM-specified aluminum
- Precision cast and machined
- Fits stock baskets
- Fits aftermarket baskets
- Direct OEM replacement
- Bolt-on installation
- MPN: 18.3337
- RM-Z250 fitment






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