JT. Aluminium Ultra-Light Self-Cleaning 461 - 420 SprocketRef : JTC00524A / 1096570002

JT SPROCKETS JTA461.51BLK Sprocket — ultra-light aluminum sprocket designed for motocross. An ideal replacement for restoring the transmission or modifying the gearing, this sprocket combines lightness and strength to maintain performance in muddy conditions.

• Material: High-strength 7075-T6 aerospace aluminum (Ergal)
• Finish: "Anti-mud" treatment facilitating the removal of dirt and debris
• Configuration: 51 teeth, 420 chain pitch, standard type
• Color: Black (manufacturer reference JTA461.51BLK)
• Usage: Specifically for motocross — ultra-light design to reduce unsprung mass

The 7075-T6 Ergal design ensures good mechanical performance while keeping the rear wheel weight low, which is beneficial on demanding terrains. The anti-mud finish helps the sprocket stay cleaner for longer, promoting smooth chain guidance and controlled wear. Suitable for 420 transmissions — check the required number of teeth for your gearing.

Common applications include: KAWASAKI KX 85 (I & II 2023) and SUZUKI RM 100 (2003). Before installation, check the condition of the sprocket, chain, and adhere to the manufacturer's torque specifications.