Sprocket 41 B 9 Tooth 5/8" ID with a 3/16" Key Way and 2 Set Screws.
Use # 41 Chain 1/2" x 1/4" you also can use # 40 Chain 1/2" x 5/16".
The Keys are not included in the order.
Click Here to add one or more 3/16 x 3/16 x 3/8 Keys.
Click Here to add one or more 3/16 x 3/16 x 1/2 Keys.
Click Here to add one or more 3/16 x 3/16 x 3/4 Keys.
Click Here to add one or more 3/16 x 3/16 x 1" Keys.
