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Freewheel Mechanism Adapter for 5/8" Axle5/8" ID.0.9" wide.3/16" keyway.Two set screws.Made from zinc plated steel.1.375" x 24 TPI clockwise CW (right hand) threads.

Freewheel Mechanism Adapter for 5/8" Axle5/8" ID.0.9" wide.3/16" keyway.Two set screws.Made from zinc plated steel.1.375" x 24 TPI counterclockwise CCW (left hand) threads.

15 Tooth Sprocket with 5/8" Bore for #41 and #420 Chain For #41 and #420 Chain15 Teeth2.65" OD5/8" ID3/16" Key WayTwo Set Screws

44 Tooth Sprocket for 1/2" x 1/8" (#410) Chain 7-1/4" OD2.2" ID.Five 0.20" (5.25mm) ID mounting holes with 1.56" (39.6mm) center-to-center distance between adjacent holes. This is a special order part so please allow around 1-2 weeks for outbound shipping. ...

44 Tooth Sprocket for 1/2" x 1/8" (#410) Chain with 1.375" OD x 24 TPI Clockwise Thread Freewheel Freewheel has 1.375" x 24 TPI clockwise threads.Freewheel catches in the right hand (clockwise) direction.44 tooth sprocket for 1/2" x 1/8" (#410) bicycle chain.Sprocket is 7-1/4" ODIncludes five quantity of M5x0.80 mounting bolts with nylock nuts. This is a special order part so please allow around 1-2 weeks for outbound shipping. ...

54 Tooth Sprocket for 1/2" x 1/8" (#410) Chain with 1.375" OD x 24 TPI Clockwise Thread Freewheel Freewheel has 1.375" x 24 TPI clockwise threads.Freewheel catches in the right hand (clockwise) direction.44 tooth sprocket for 1/2" x 1/8" (#410) bicycle chain.Sprocket is 7-1/4" ODIncludes five quantity of M5x0.80 mounting bolts with nylock nuts.

44 Tooth Sprocket for 1/2"x1/8" Bicycle Chain with Hub for 3/4" Axle 44 tooth nickel-plated steel bicycle chain sprocket with zinc-plated steel axle hub for 3/4" axle. For 1/2"x1/8" (#410) bicycle chain. Dimensions 7-1/8" OD, 3/4" ID. For 3/4" OD axles. Axle hub has 3/16" key way. Key is not included. We Carry a 3/16" x 3/16" x 1" Key For This Sprocket Axle hub has two included set screws to secure it to the axle. Sprocket is attached to the axle hub with included mounting bolts. ...

44 Tooth Sprocket for 1/2"x1/8" Bicycle Chain with Hub for 5/8" Axle 44 tooth nickel-plated steel bicycle chain sprocket with zinc-plated steel axle hub for 5/8" axle. For 1/2"x1/8" (#410) bicycle chain. Dimensions 7-1/8" OD, 5/8" ID. For 5/8" OD axles. Axle hub has 3/16" key way. Key is not included. We Carry a 3/16" x 3/16" x 1" Key Axle hub has two included set screws to secure it to the axle. Sprocket is attached to the axle hub with included mounting bolts. This is a special order part so...

13 Tooth Freewheel Sprocket with 11mm Bore Adapter for 1/2"x 1/8" and 1/2" x 3/32" Bicycle Chain Motor sprocket for our 250-450 Watt gear motors.Right hand thread 13 tooth freewheel.Motor shaft must rotate clockwise to use this sprocket.Includes chromoly steel freewheel sprocket and zinc plated steel adapter.Freewheel is threaded onto the adapter and is replaceable.2-3/8" (57mm) OD, 11mm ID, 4mm wide x 2mm deep keyway.Works with both 1/2"x1/8" (#410) and 1/2"x3/32" (#408) bicycle chain so it...

44 Tooth Sprocket for 1/2"x1/8" Bicycle Chain with Hub for 1" Axle 44 tooth nickel-plated steel bicycle chain sprocket with zinc-plated steel axle hub for 1" axles. For 1/2"x1/8" (#410) bicycle chain. Dimensions 7-1/8" OD, 1" ID. For 1" OD axles. Axle hub has 1/4" key way. Key is not included. We Carry a 1/4" x 1/4" x 1" Key Axle hub has two included set screws to secure it to the axle. Sprocket is attached to the axle hub with included mounting bolts. This is a special order part so please...

25 Tooth 5/8" Bore Sprocket for #41 and #420 Chain For #41 and #420 Chain4-1/4" OD25 Teeth5/8" BoreTwo Setscrews3/16" Wide x 3/32" Deep Keyway