That's correct. When I'm cornering I don't have the rear end trying to push me off the road or giving me a lumpy ride. Tri-Glides are all manufactured with a solid axle that affects handling and ride. Lots of owners unhappy, but there is a solution. There is a company named IMS Trikes that makes an IRS kit for HD Tri-Glides among others. But you really have to like your trike and have a fat checkbook. Prices start at about 11 grand.
When I switched to my CSC from my Spyder I did a LOT of homework and talked to a LOT of owners and dealers. The difference from one brand/configuration to another is huge. It's unfortunate to categorize all of them the same. Not trying to be argumentative. Just trying to provide real information I have experienced and learned so the OP has a better understanding about what they are asking.
A differential and independent rear suspension are two separate features. All modern trike conversions or OEM trikes on the road that use a rear differential. The alleged "solid axle" means drive axle similar to a rear-wheel drive car/pickup: when the wheel hits a bump or pothole, the up/down motion will rock the chassis. The CSC conversion, and products like it, have a rear-wheel drive system more akin to a Corvette (although motorcycles are not "transaxle" designs) or Jaguar IRS: the differential is mounted solid with each rear wheel allowed to move independently to absorb a bump (limited by the torsion stabilizer bar). They have a tendency to ride smoother, transmit less chassis movement to the rider and passenger, and have a bit more lean in a corner, similar to the lean on a Spyder.
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