Thursday, May 29, 2014 at 16:11
Kirk,
I used a scissor jack for breaking beads for about 15 years - works just as
well on smaller tyres. Haven't used it on big stuck 4wd tyres. You'll need to try it out.
But levering beads on and off is an art that needs learning - practice at
home helps but it's not long before you're away. If you carry a plug kit it's highly unlikely you'll be levering tyres anyway.
Things that I have found helpful over the years are:
- having wheels with deep wells - I once checked identical size Speedy and ROH steel wheels and the extra depth of the wells on the Speedy rims made tyre changing very easy. As you'd know the opposite side of the bead needs to be deep in the
well for levering to work.
- There is no need to lever the second side for a
puncture. You can get full access to patch the inside with just the outer side levered over. If you elect to lever the inner side over, you risk greater distortion of the bead which makes reinflation difficult. I carry a piece of wood which is the right length to open the tyre to see what I'm doing inside.
- The only time you need to lever the second side is if you are replacing the tyre - only likely if you carry a spare casing or you are pinching a tyre from someone else's rim. If you carry a spare casing, then store a tube fully inflated inside it - that way the beads will be much easier to
seat when you reinflate it - as they will then naturally sit out.
- Use soapy lube all all times when levering a bead - both levering off as
well as levering back on and reinflating.
- And if a tyre is proving difficult to lever, then have a good look again to see what you can do better. Persisting can just distort and damage the bead.
Have a great trip
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