Posted 2007-05-21 3:57 PM (#61086 - in reply to #61082) Subject: RE: jack conversion
Expert
Posts: 2689
I think it is POSSIBLE to convert the single speed BullDog jack to 2 speed, basically by replacing the gear head.
Whether or not it is worth it is another question; you might find that replacing the whole jack is a lot simpler and only slightly more expensive than jacking around with part swapping.