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RK 420 MXZ4 Heavy-Duty Chain Item # 596144
Description
Premium High Performance Non-Sealed chain for SX & MX. The MXZ4 has a chromized pin that delays standard chain elongation. The MXZ4 is used from amateur racing all the way to the top professional SX/MX teams.
Features:
- Made for the serious motocross racer with all components heat-treated for high performance durability
- Feature chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength
- MXZ4 is the lightest and strongest MX chain on the market with an impressive tensile strength and a weight of only 2.89 lb.
- Ideal for professional level from 80cc to 500cc open class racing
- Chains include clip connecting link
- GB 420 MXZMade for the serious motocross racer
Specifications:
- Pin Length (mm): 16.6
- Plate Thickness Inner (mm): 1.8
- Plate Thickness Outer (mm): 1.8
- Tensile (lbs/ft): 5,400
- Connecting Link: Clip
- Weight lbs/100 links: 1.83
- Max cc (Street/Off-road): NA / 150