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Split Aluminum Sprocket for 420 or 40 Chain. Blue (56 Tooth)

4.5 (2) Write Review
Free shipping on orders over $29.99

$40.99

$ 19 .99 $19.99

In Stock

About this item

  • Sprocket For 40/420/41 Pitch Chain.
  • Split Sprocket for fast gear changes on your Go Kart or Mini Bike.
  • Heavy Duty
  • For Reference. The 50 Tooth is about 8 1/4 inches Diameter.


For 40 or 420 Chain High Quality Aluminum alloy Split Sprocket. 6 bolt pattern measuring 5-1/4" Across center to center. Split for easy gear changes. No need to remove the axle on your Mini Bike or Go Kart to change the Gear Ratio. The Hub Pictured is not Included. For reference 60 tooth diameter is 9 3/4 inches. 40 tooth diameter 6 5/8 inches.


Gary Wilson
Reviewed in the United States on February 26, 2025
Easy install bolt right up
Kindle Customer
Reviewed in the United States on December 15, 2024
Running this with 420 chain works great. 40 chain not so well, at least for me.