Construction
Though originally connoting a bicycle intended for BMX Racing, the term "BMX bike" is now used, generically, to encompass race bikes, as well as those used for the dirt, vert, park, street and flatland disciplines of BMX.
BMX bike frames are made of various types of steel, and (largely in the racing category) aluminum. Cheaper, low end bikes are usually made of steel. Mid range bikes are mostly chromoly or hi tensile steel, which are about the same in weight and strength.
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