21XX #40/41/420 Sprocket for Engine or Jackshaft, 3/4" Bore, 3/16" Keyway TOOTH RANGE 10-14

Mount a Sprocket on an 3/4" crankshaft or Jackshaft. 

Choose Number of teeth, Quantity, add-to-cart for each sprocket you wish to purchase

• Case-hardened Steel
• 40/41/420 Pitch
• 3/4" Bore
• 3/16" Keyway
• 5/16-18 Set Screw
• TOOTH RANGE 10-14

Sprocket for Go Kart, Minibike, Steel

Made of case-hardened steel and hobbed teeth, These sprockets have a hub on one side only. Unless otherwise noted, includes two 5/16-18 set screws.

 *All Sprockets on this page with a “K” in their Tooth/Part No. have a key
 broached into the hub rather than a keyway. No key is needed.

See all Type B Sprockets