Originally Posted by triumph I have a zx1. Are you saying you want the clamshell to only partially "grab onto" the wheelchair axle bar? Are you wanting to have more "tip-ability" of the wheelchair front wheels for popping over 2"-3" bumps, threshholds? It seems such an adjustment, if possible, would do that. Don't know if that's what you're after, but if so, have you tried to only partially attach clamshell with the clamshell actuator button? I don't do so until I get to a bump - at that ...
Originally Posted by takenaback What is said in the previous post is accurate but Tom is going faster than 3.2 mph. Just have a look at the forward speed and power percentage post lithium ion upgrade. If Pat has set his forward speed to 100% and power to 100% he is going substantially faster and I can almost guarantee that will kick it into safe mode. I'm not sure many people would be satisfied with 3.2 mph, I certainly wasn't and have adjusted mine accordingly.
Originally Posted by pattherat It looks like you have 10" tires (3.00-4) which means 3" wide, 3" sidewall and 4" hole. You could just go with a more agressive tread. A customer of mine requested these knobby tires for his ZX1: If you want to go up a size you could go with 4.10/3.5-4s which is 4.10 wide, 3.5" sidewall, 4" hole. Actual diameter varies from 11" to 11.5". 3.00-4 tires here: ...