2-speed

I have an original Heathkit Boonie bike 2-speed jackshaft for sale. This came with the boonie that I got from Tubbugs and I have never had it installed on anything. It looks to be in good working order. Some parts are a little pitted but nothing terrible. Sprockets are in great condition. I...

This unit was taken off one of my bikes, so I'm certain it works well... All parts were disassembled/cleaned/inspected/lubricated... New 12" long jackshaft...new high speed bearings...new locking collars...all other parts are genuine Comet and serviceable... Dual sprocket clutch is 3/4"...

Two Speed Comet Automatic Minibike Jackshaft (No Engine Clutch). Also included are the two jackshaft mounts in the picture. $80.00 Delivered. .

N.O.S Max-Torque Two-Speed Clutch. 3/4" bore, #35 chain. No setscrew location, uses bolt in crank to secure. $75.00 delivered. . .

I guess it's about time to list these two different styles of Comet Two Speed jackshafts on eBay and see how high they go. Gotta pay bills: . .........So, Where should I start the bids at ? $4.00 or $40.00 ?

Pretty sure this fits a Sears Roper minibike for a two-speed setup. Here first....eBay if I have to. $50.00 shipped. . . It's shown here upsidedown to show you the insides.