... , Black, Red, Bule, Yellow, Green2. What is MAGNESIUM BICYCLE WEELS? Magnesium Bicycle Wheels is our newest product and different with traditional ... transportation tools to improve potential speed of them, moreover, it is also of tenacious, shock-absorbing, environmental concept, radiation ... the metals, only 2/3 of alumimum alloy, it is widely used in transportation tools to improve potential speed ...