Description
A high-performance chain demands uncompromising durability under sustained load and extreme operating conditions. The REGINA 525 ZRA delivers the fatigue resistance and precision fit required for serious racing applications, where chain failure isn’t an option. Built with shot-peened components and solid bushings throughout, this chain maintains consistent power delivery lap after lap.
- High carbon alloy steel
- Solid bushings and rollers
- Shot-peened plates, pins, rollers
- 110 links, 525 pitch
- Elevated fatigue resistance
- Professional-grade construction
- MPN: 137ZRA1004
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