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Bike size?

737 views 2 replies 3 participants last post by  InvictaS1 
#1 ·
I was just curious to know... lets say a 20" bike, what does the 20" stand for? What measures 20" on the bike?


Sorry if its the worst question you ever herd :eek:
 
#3 ·
If you are talking about mountain bikes then 20" refers to the frame size. frames are usually measured from the center of the bottom bracket to the top or the seatpost tube. a 20" mtb would usually be considered a large.

bmx bikes are often referred to as 20" bikes because their wheels are 20" in diameter.
 
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