I had a No-Mar years ago. Some tire changes are a breeze, but most will make you swear like a sailor. One of the happiest days of my life is when I sold mine and the buyer from CraigsList picked it up!
If you know what you are doing, NoMar tire changers work just fine and without any need for any "sailor language". Breaking the beads without a NoMar or Weaver like machine is cuss worthy, and high risk of damaging a rim. But beyond that, knowing what you are doing makes the difference.
I can't vouch for the smaller NoMar tire changers, especially when it comes to mounting stiffer tires for our K1600's. But I do have a NoMar Professional model and it does not have me wishing I had a Weaver. I swapped out a set of knackered Dunlop RS3 for a set of RS4's on my carbon rims 2 weekends ago. As I alluded above, a NoMar or Weaver like machine is worth the price of admission for bead breaking alone, as breaking a bead using alternate methods is a serious pain in the butt and at great risk of damaging a rim - and that would be worthy of "sailors language". A NoMar or Weaver removes a tire from a rim in about the same amount of time - both a heck of a lot quicker than with tire irons. I always push the first bead over the rim by hand in seconds with no tools. With the stiffer tires our K1600's use, I personally use the NoMar to walk the first half of the second bead over the rim, then I prefer to flip the rest of the bead over with two tire irons and rim protectors while still mounted on the NoMar, while making sure the tire is fully in the wheel well (using clamps if needed). Part of that preference is because I don't want to take any chances with my carbon rims. The clamps and spoon work takes me all of a couple minutes and without stress to the rim. With plenty of lube, warming the tires, or mounting less stiff tires, there is no need to mess with tire irons or clamps.
Well put. I've had two No-Mar changers, a Jr. Pro and the Professional. I made a steel base for the Professional. Tire changing is mostly geometry, a matter of getting the bead in the drop center of the wheel opposite where you are coaxing it over the rim. Stiff tires can make this challenging at times. At the motorcycle show demonstrations, they're using tires that have been removed and installed dozens of times, thus quite pliable.
No-Mar changers are a lot of bang for the buck, but I'll freely admit that I went to a powered changer (K&L) at about age 55. Either way, I think you'll be pleased with the freedom that such a device offers you. I'll check the other sites I watch and pass along any hits.
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