What do you call the super power humans get in anger and can lift cars?
I would never put someone elses used tires on my bike.
If you really need to do it. The used tyres are better than what you have fitted by the sound of it, but you have to ask yourself if you can afford to run this bike i think you'd better off selling it and getting something you can afford to maintain properly.
Sounds like a good bargain. I would do it in a heartbeat. You can inspect the tires to look for obvious defects.
Adrenaline rush. Basically you are blocking the bits of your brain that say don't do that - you stand a chance of hurting yourself No one is doing anything superhuman. they are not throwing cars around like toys, flying, etc. But they are stretching their body close to it's limits, beyond the safety margins that our brains normally limit us to. Edit: The forces exerted by your muscles are really very large. To hold up a 20 lbs weight with your elbow at 90 degrees your muscles must actually exert over 200 lbs force, because of the lever action. Some movements, such as a back lift - which is what you would do to pick up the end or side of a car, allow you to apply all the force that your muscles can create directly. Now, lifting one end or side of a car is dangerous - you are likely to tear muscles or tendons, crush vertebrae in your spine, break bones. But if your kid is trapped under there, then the adrenaline kicks in, overrides the safety margins you normally apply and boosts the energy to your muscles. And so you get these stories. What you tend not to hear about so much is the ones where the parents failed to lift the car/tree/etc. and the child gets killed. But that happens more often.
Adrenaline rush is what I've heard it called.
