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Can't get tire bead to seat

4K views 11 replies 5 participants last post by  gpzrider  
#1 ·
Ok, this is actually on my wife's little 'zuke but can ya let it slide this once? :wink:

Anyway, it's got alloy wheels but they're tube type. The tires are supposed to be tube or tubeless. Basic little Chen Shin tires.

Got everything put together, tube powdered, tire & wheel soaped up, pump it up and it just won't seat all the way around. Everything pops in but like 6 inches on either side.

How can I get this thing to seat all the way? I couldn't find anything on how much over normal pressure you can go to get it to seat.
 
#2 ·
On regular car tires, sometimes you have to pump them up to about double the regular psi to properly seat, especially with the super-wide low-profile tires. I had to go to 75 psi with the Eagles on my T/A (RIP), and they aren't especially wide. Wear your helmet when you do bead seating, just a word of warning.
 
#3 ·
I've also found that giving the tread a good "thump" with a rubber mallet in the area where it's not seating will sometimes cause the tire to bounce back and seat the bead.
 
#6 ·
Another way is to wrap a chain around the tires cicumference attach a chain binder to it with just enough pressure tosqueeze the tires sidewall out then add the correct pressure,this has worked for me a couple of times>just remember tokeep your head clear in case the chain is not on the tire in the center,it has a tendency to slip off.
 
#7 ·
Front was pretty easy. Took the mallet to it and I was there. Finally did get the rear seated too! Took it to the dealer and paid them $11 to do it and balance the thing too. :?
 
#9 ·
Sometimes I have difficulty giving up and taking something to a "professional". This wasn't one of those times!
 
#11 ·
QKENUF4U said:
problem is all the lot tech at the dealer did was put a **** load of air along with more lube on the bead till it popped (ill put money on it since ive worked at dealers)
Back when I busted cage tires in the late 80s, wasn't uncommon to use 60-80 lbs to seat car tires. About 100 for regular truck tires. I remember we did a tractor tire once, 180 lbs to seat that thing...... No helmets either, like it would have helped.
 
#12 ·
While in the service, we set the beads on the five ton trucks with the tire inside a steel cage. That way, if the tire blew or the split rim gave out, you might loose a hand but wouldn't be thrown through a brick wall. Knowing that it had to happen more than once in order for them to take precautions like that has always made me very cautious about using excessive amounts of air pressure.