A

5/8" OD x 4-1/2" Long Jackshaft

5/8" OD x 10" Long Jackshaft

Jackshaft Kit with 8 Tooth and 17 Tooth Sprockets for #41 and #420 Chain Weld-on jackshaft kit with 8-tooth and 17-tooth sprockets for a 112.5% increase or decrease in gear ratio. 10" long 5/8" OD jackshaft with keyway. 8-tooth and 17-tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on bearing hangers, and two axle collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft. ...

5/8" ID Jackshaft Collar

1-3/8" ID Jackshaft Bearing Hanger

3/16" x 3/16" x 1/2" Jackshaft Key

60 Tooth Sprocket for #35 Chain Made Zinc Plated from SteelFor #35 Chain60 TeethG1 Mounting Pattern2" Bore2.875" Bolt Circle DiameterFour 3/8" ID Bolt HolesSprockets with G1 mounting pattern are compatible with G1 Axle Sprocket Hubs.

66 Tooth Sprocket for #35 Chain Made from Zinc Plated SteelFor #35 Chain66 TeethG1 Mounting Pattern2" Bore2.875" Bolt Circle DiameterFour 3/8" ID Bolt Holes Sprockets with G1 mounting pattern are compatible with G1 Axle Sprocket Hubs.

72 Tooth Sprocket for #35 Chain Made from Zinc Plated SteelFor #35 Chain72 TeethG1 Mounting Pattern2" Bore2.875" Bolt Circle DiameterFour 3/8" ID Bolt Holes Sprockets with G1 mounting pattern are compatible with G1 Axle Sprocket Hubs.

36 Tooth Sprocket for 1/2" x 1/8" (#410) Bicycle Chain Made from Aircraft Grade AluminumFor 1/2" x 1/8" (#410) Bicycle Chain36 Teeth6.015" OD2" IDFour 3/8" ID Bolt Holes2.875" Bolt Circle Diameter

36 Tooth Sprocket for #410 (1/2" x 1/8") Bicycle Chain Made from Aircraft Grade Tempered (Hardened) Aluminum For #410 (1/2" x 1/8") Bicycle Chain 36 Teeth 152mm (6") OD 54.1mm ID Five 5.2mm ID Bolt Holes Equally Spaced at 72 Degrees 67mm Bolt Circle Diameter

10 Tooth Sprocket with 5/8" Bore for #41 and #420 Chain For #41 and #420 Chain10 Teeth1.84" OD5/8" ID3/16" Key WayTwo Set Screws