14 Tooth 1/2" x 3/32" Dicta Freewheel Sprocket.
For smaller dia side of flip-flop hubs with a 30 mm x 1.0 right hand threads.
Also can be used with our 30 mm x 1.0 Freewheel Sprocket Adapter if you need to place the freewheel on a shaft.
We have several ID of adaptors and styles.
We also make a 5/8" ID x 1/2" wide, adapter for this freewheel Sprocket.
http://www.staton-inc.com/store/products/5_8_ID_x_1_2_wide_Adaptor_for_freewheel_sprocket_13_14_15_tooth_30mm_x_1_0_OD-529-0.html
To find all the types & sizes of adapters - adapter - adaptor - Track Cogs - Lock Rings - Track Cog & Three Prong Sprockets:
Type " FWADP " in the Search box.