JT 420 Aluminum Alloy Rear Sprocket

• Aluminum motocross rear racing sprockets with a special self-cleaning design
• Made from advanced aviation-grade 7075 T6 aluminum alloy
• Computer designed to combine the ultimate strength at minimum weight
• Optimal lightweight design and CNC machined to aviation tolerances for performance and lifespan
• Meniscus shaped self-cleaning grooves on all the teeth, on both sides
• Sand blasted to reduce material surface tension and finished by anodizing to a superb satin-silk effect
• Heat treated and hand finished to meet or exceed the highest possible quality standards
• Every sprocket meets or exceeds the highest possible quality standards
• The world's number one aftermarket sprocket manufacturer

Note: Image for reference only. Actual product may vary according to vehicle.

This motocross or motorcycle sprocket is made out of CNC machined aluminum alloy. The meniscus-shaped grooves on the teeth are self-cleaning and have been sandblasted and anodized for a smooth finish.