The main difference between men's and women's bikes is the frame design. Women's bikes typically have a lower top tube to accommodate dresses or skirts, while men's bikes have a higher top tube for a more aggressive riding position. Additionally, women's bikes may have narrower handlebars and shorter reach to better fit a woman's typically shorter torso and arms.
The difference between a scooter and a pocket bike is the speed capability. The pocket bike is small in size but it can achieve speeds over 80 mph in some cases. The scooter has a governor that does not let it go past 45 mph in most cases, and the motor is not set up to run fast like the pocket bike.
The size or displacement of the engine, 50cc versus 125cc.
motor cross is faster
I have no idea what you mean by "gear bike", so the question can't be answered.
Mountain bike helmets are better than dirt bike helmets
there is not much difference usually people think that they are smaller and are more powerful, which is true, although they can be normally sized
The difference is the person who is possessing. For example you would say "I have a bike" or "He has a bike". You would not, however, say "I has a bike" or "He have a bike" unless you're ignorant and uneducated.
difference between 220cc and 150cc is that 150cc has less cc than 200cc
The main difference between 28 and 700c bike tires is their width. 28 tires are typically narrower than 700c tires, which are wider. This difference in width can affect the overall performance and handling of the bike.
The difference is that the mountain bike tube is much burlier and wider than the dirt jump tube but may not be as strong in terms of hard hitting strength.
The length, and depending on horsepower, it could be larger for the higher horsepower bike.
A rocket is cooler:)