Dual thread 1.375 x 24 & 30mm x 1.0, 3 Prong 3/4" ID x 1.67" long Adaptor

You can do many things with this adaptor.

You can have one solid sprocket and two independent freewheels.

You can place one or two 16, 18, 20 or 22 tooth 3 Prong sprocket on it.

You can have one or two 3 prong sprockets or Track Cog threaded sprocket and or a freewheel with the 1.375 x 24 right hand threads.

It also has the smaller 30 mm x 1.0 right hand threads for another gear range and or 2nd speed if using a "V" belt.

Use a pulley machine to fit the the smaller freewheel and the pulley will over run the chain - sprocket and give you the 2nd gear. 

You may also need the 1.37 x 24 Lock Ring with Right Hand Threads and one or more 1-1/2" External - Retaining Snap Ring

You can use the Track Cog or Freewheel to lock on the 3 Prong sprocket.  You need the snap ring as a spacer so the chain will clear.

You can also use the lock ring to hold on the 3 Prong sprocket.  

These work good if you need to use the sprocket to start the engine or if you need a reverse.  

The 3 Prong sprocket will not back off.

Note:  The ASC with the 1.375 x 24 RH thread will not work on this adaptor due to the way they are made. 

You need a freewheel design where it can thread thru the part.  The Dicta freewheels work very good, strong and low cost.

Our Freewheel sprocket adaptors, solid sprocket adaptors, Disc Brake and Disc Brake and Freewheel adaptors, chain sprockets, keys, shaft collars and other parts are used in the making of units for the KINETIC UNIVERSE, Kinetic Sculpture, Kinetic Grand Championship, Kinetic Race.