You measure it. A ruler and a caliper are useful.
yes... if you have the right bottom bracket... it has to fit the cranks as in 19 20 21 or 22mm most likely......... and it has to be the right size for the frame.. if its bmx it will probably be US size or euro, spanish or standard. if you find the right bottom bracket with the right size bearings then yes..
A 3-piece BMX crank set typically consists of three separate components: two crank arms and a spindle. The key features of a 3-piece BMX crank set include durability, strength, and compatibility with various bottom bracket sizes. Benefits of a 3-piece BMX crank set include improved power transfer, easier maintenance, and the ability to customize the crank length for optimal performance.
A crank (or a crankset) is the thing that sits in the middle of the bicycle, has the chain on it and have the pedals attached to it.
The standard BMX axle nut size for most BMX bikes is 3/8 inch.
No, only the one that was made for it.
When choosing a BMX crank arm for optimal performance and durability, key factors to consider include material quality, length, weight, stiffness, and compatibility with your BMX bike's bottom bracket.
Yes you can, but take it to a bike shop or someone who knows what they are doing
you can find a BMX bike in halfords
The standard size of BMX axle nuts is typically 3/8 inch.
The standard thread size for BMX pedal installation is 9/16 inch.
A BMX bike size chart provides information on the recommended bike size based on the rider's height. It typically includes frame size, top tube length, and wheel size recommendations to help riders choose the right bike for their height and riding style.
It depends if you have a 3 piece crank, spokes, brakes.