1. Rank steel, bronze, wrought iron, and cast iron in order of quality for weapons and tools.2. Which of those metals were used to make the best weapons in the Iron Age?3. Which of those metals were used to make most tools in the Iron Age, and why?
Hard braking and or worn out shocks cause the tire to scallop.Worn shocks allows the rear suspension to oscillate and the tire actually leaves the ground momentarily scuffing off a small amount of rubber when it reestablished contact.The same thing happens under hard braking.
Check your alignment marks on the swing-arm for your rear axle alignment,make sure that they are on the same mark. Also ,some marks like that are visible due to the crown of the road,usually they are more visible on the front tire than on the back.
1. Steel, Bronze, Cast Iron, Wrought Iron Questions 2 and 3 depend on the location. China primarily used cast iron, while other regions had not discovered iron ores yet. The articles below can probably help you.
Bad alignment, and/or low tire pressure + out of balance. Get a new tire and have the whole thing set up properly.
