Description
If you’re serious about mini MX or SX racing, your chain is the critical link between your engine’s power and the track. The RK 428 MXZ1 delivers the durability and precision required for competitive racing, with chromoly steel construction and oversized pins that withstand the relentless demands of professional and amateur racing alike. Whether you’re pushing lap times or building a reliable setup for the weekend, this chain is engineered to perform.
- 428 chain pitch
- 134 links total
- Chromoly steel construction
- Seamless rollers
- Seamless bushings
- Oversized special alloy pins
- Gold finish
- Heavy-duty racing grade
- Mini MX/SX optimized
- MPN: GB428MXZ1-134
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