Regina 520 GPXV Grand Prix X-Ring Chain

Features:

• Used by the AMA Red Bull KTM Supercross and Motocross team.
• Non O-ring chain designed exclusively for racing use at the highest levels of world competition, this is Regina-s best MX chain.
• Features alloy pins and plates, solid bushings, shot-peened, solid rollers and plates for improved fatigue strength.
• Unique X-chromized pins in high carbon alloy steel.
• Special beveled inner plates to provide easier chain engagement with the sprocket in harsh conditions.
• Shaped bushings provide quick break-in and minimize adjustments.
• Chains are preloaded to increase fatigue strength and wear resistance.