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Electric Scooter Repair Help > Modification and Custom Project Help > Sprocket Drawing Program

 

Sprocket Drawing Program

 

The sprocket needs to have 10 or more teeth to draw it.
*Sprocket's Outside Diameter: Millimeters Inches

*Some manufacturers make their sprocket teeth a little longer or shorter than others so please allow for a small difference in the sprocket's outside diameter when using this program.

Chain Pitch Guide
Chain Type   Chain Pitch
#25 and #25H Chain   0.25 Inch
#219 and #219H Chain  0.3061 Inch (7.774 Millimeters)
T8F (8mm) Chain   0.315 Inch (8 Millimeters)
#35 Chain  0.375 Inch
#408 (1/2" x 3/32") Chain   0.5 Inch
#410 (1/2" x 1/8") Chain   0.5 Inch
#415 Chain   0.5 Inch
#40, #41, and #420 Chain   0.5 Inch
#428 Chain   0.5 Inch
#520 Chain   0.625 Inch


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