Originally Posted by Hellracer.nl
I'm planning to make an extra strut so I can convert it into an fixed hack for when it is very slippery, dirty or icy. This shouldn't be very hard to do since I've got a few top-end-bearings lying around.
I must confess that I've never ridden a fixed hack so I really can't compare a leaner to anything else than a solo bike.
In your own and your passenger's interest you should be rather very careful in applying this idea. The weight of a leaner, the usually different frame (strength as well as trail & steering angle) and the suspension are not really up for riding as a rigid outfit.
I know of at least two reports from people (idenpendent from each other) that got into serious situations which easily could have been fatal when trying to run a leaner as a rigid outfit.