Originally Posted by
Travelor
I have a 2003 trailer. Around 2015 Kendon changed the design of the center rails and chock so that front tires would fit between the rails instead of slightly riding up on them. Also lowered the chock for easier in and out and made it adjustable for different wheel sizes. Upgrade is available on Kendon website and is a pretty straightforward installation. I paid about $200 a couple of years ago.