WARNING: These smooth discs are designed for use with a single spring hub and a simple type pressure plate.
The HINSON smooth disc kit (manufacturer part number SP557-7-2101) is aimed at motocross riders who demand crisp and consistent clutch action on the track. Designed and manufactured in the USA, these discs embody Hinson's championship-winning expertise and are adopted by many top teams and riders.
- Optimized grip while limiting heat buildup for consistent response under heavy use.
- Rigorous production tolerances and flatness for uniform stacking and controlled wear.
- Recommended to enhance the performance of Hinson clutch baskets, inner hubs, and pressure plates.
- Manufactured to high-quality specifications with materials resistant to stress and temperature.
- Compatible with certain original components (baskets, nuts, and pressure plates) — check vehicle reference before installation.
- Manufacturing: United States.
Ideal for motocross practice, this kit is particularly suited for Kawasaki KX 250 (2026 and similar models) and other listed machines. For a sharp clutch feel and precise modulation on demanding terrain, these HINSON discs are a serious option for riders looking to enhance the reliability of their transmission.
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