Review on Enhance Winter Traction: KONIG K-SUMMIT XL K56 Snow Chains, Set of 2 by Tim Beckett

Customize them before you need them! You can't adjust the size if you slow down in the snow! As they say, read the instructions. You have to adjust the chains to fit and this is where my problems started. The illustrations are reminiscent of Ikea, ie enough to give you an idea of what to do but not enough to be really helpful. The instructions include a table of tire sizes and the number of calibration bolts to remove. So I started removing the two calibration screws I was told too. The tools for this are flimsy, and to make matters worse, one of the bolt sets I removed was actually faulty - the threads for the supplied Allen key couldn't match exactly, and so the bolt set kept turning rather than staying in place with it I can remove the nut on the other end. After much frustration I started with another chain and removed two in about 30 minutes. I decided to try this necklace on to see how it fits, it has now been adjusted to match the instructions. It didn't fit. So I removed the third screw, another 10 minutes of frustration and it still didn't fit (it looks like Goldilocks now). I removed the fourth and final adjustment screw and everything was fine now. The actual process of installation is relatively simple, put the nut on the nut on the wheel and tighten with the wrench provided (but not the locknut if you have one), slide the chains onto the wheel as far as it will go Tires, snap them down and then move them forward so the part of the chain that you can't mount because the tire is on the ground is pulled onto the tire. It seems safe enough, but of course I didn't use them in anger. To remove it you must lift the ratchet and loosen the tension, then loosen the nut and tighten as much as possible to get it out. If you loosen too much, leave part of the bracket on the wheel and screw it back in at the end to get it out. Pull the chains, then move forward or backward to free the floor. With the second chain I went to my local auto shop and bought a new set of allen keys and a set of ratchets as others had suggested (remember you need the metric system!) but ended up at a local Thule dealer who did Performs repairs and warranty service. He kindly removed the unthreaded calibration screw for me, wrenched it open with a vise, then gave me a new screw. I know where to get my bike rack in the summer! So TLDR? You have to size them before you need them and sizing is frustrating because of the poor tools provided. Once resized, they are easy to put on and take off.