I am trying to choose either a 14mm bmx bike fork or a 3/8 bmx bike fork but I dont know which one will fit my bike. How can I find out and which one is more common?
The more common by far is 3/8". This is found on the vast majority of BMX. 14mm is larger and heavier duty. It would be a simple matter to measure the axle... if it ain't 3/8", its 14mm.
