One can purchase a 24 inch BMX bike from Amazon and the Bicycle Warehouse website has a buyers guide on choosing the right bike for ones needs. Amazon has a 24 inch BMX Diamondback Nitrus on sale for $299.99 in red with DB sound alloy platform pedals.
You can purchase Zvex pedals from retailers such as Amazon. Alternatively, you can also purchase these pedals online from auction websites such as eBay.
Snafu. They make medal pedals that are very light weight and have changeble spikes
There are a few places where one can purchase a BMX cruiser. This includes going to a BMX bike store, as well as looking at cruisers online on sites such as eBay.
One can purchase BMX stickers online at websites such as DansComp, Zazzle, Lux BMX, and Supercross. One can also find them for discounted prices at Amazon or eBay.
One can buy Hardwire pedals from the Hardwire Pedals website. Some other popular websites where can one can purchase Hardwire pedals are eBay, Amazon, Premier Guitar and many more.
If one were to purchase a freestyle BMX bike, one could go to a specialist bike shop. Alternatively, various specialist companies, such as Vital BMX offer a huge range of products.
The only thing on a BMX regularly called a spindle would be the crank axle. Although I suppose one could use spindle for the pedals and the wheel axles as well.
One can purchase an Octave pedal from many different stores and retailers. Some examples that sell Octave pedals include Musician's Friend and Cheaper Pedals.
You would be able to purchase a BMX frame from a retailer that sells BMX bikes. You could probably even find some used/old ones from craigslist or ebay.
There are many websites that one may purchase sound effect pedals from. Among them are Target, Kmart, eBay, Amazon, Best Buy, Guitar Center, and Amplified Parts.
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.