Keep in mind the length of the shaft and the number of teeth can be different for what you need.
These sizes of the solid sprocket and freewheels were designed for the Giant Stiletto which is NO longer being made.
GIANT STILETTO Jack Shaft Kit. Can be used on other projects.
One: 5/8" OD x 7” long Shafting with a 3/16" full key way. Product ID: 3306
Left side
One: 5/8" ID Freewheel sprocket adaptor 1.05" wide with two set screws. CNC machined out of 12L14steel, zinc plated. 5/8" ID x 1.375 x 24 OD threads x 1.05" wide, 3/16" keyway, with two set screws, 6M x 1.0 thread. Product ID: 2722
One: 20 tooth DICTA Brand Freewheel 1/2" x 1/8". This is the freewheel that the engine or motor will be turning so you will want it to be the 1/2" x 1/8" in most cases.
Product ID: 2367
One: 3/16" x 3/16" x 1" Sq. Carbon Steel Key. Product ID: 0102
Slide adaptor with FW over the 1" long key and tighten set screws
Right side (from center to right)
spacer between adaptor and customer's bearing)
One: 5/8" ID x 1.3" 3 Prong adaptor REV design, CNC Machined out of 12L14 steel and zinc plated. We designed this adaptor so it does not need any washers - spacers that can come loose or rattle. We also machined the two set screws into the adaptor so you do no need a shaft collar that can come off. Product ID: 2706
One: 20 tooth 1/2" x 3/32" Black Sprocket 3 prong design (slide this onto the 3 prong adaptor). Product ID: 2368
Note: These three prong design sprockets come is 16, 18, 20 & 22 teeth.
One: 1-1/2" Ext. Snap Ring (used as spacer between so the two chains do not touch) the 20 tooth sprocket & 20 tooth freewheel. Product ID: 4066
One: 20 Tooth Freewheel sprocket, 1/2" x 3/32" ACS Crossfire. Product ID: 2366
You need the 1/2" x 3/32" so you can run the gears.
One: 3/16" x 3/16" x 1" Sq. Carbon Steel Key. Product ID: 0102
You may also want two bearings and CNC left and right hand threaded alum holders.:
http://www.staton-inc.com/store/products/GIANT_STILETTO_Bearing_holder_Set_mid_crank_Left_and_RIGHT_hand_threads-847-0.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.
More jack shafts / jackshaft that you may want to look at below:
Jack Shaft 3/4" OD x 4-7/8" Over all length, Snap Ring Style
Jack Shaft 3/4" OD x 4-7/8" Over all length, 3/4-16 threads
Jack Shaft 5/8" OD x 4-7/8" Over all length, Snap Ring Style
GIANT STILETTO Jack Shaft 5/8" OD x 7" long