It looks like some sort of fiberglass fabric. They use some stuff that looks similar to that in electronics. Usually on resistors that get hot, I guess so that they won't burn stuff around them.
sounds good then.
I have been waiting for parts to come in cant wait to finish it. I go out said and start the engine a couple times a day i just love the sound of it.
i payed 40$ shipped to my house yes it came with barrings and a sprocket. But the the sprocket is a #25. So i just went to princess auto and got a 35# sprocket and it comes with a brake disk just had to buy the calipers for 30$ shipped to my house. And i got it all from eBay.
got everything working had it going up and down the sidewalk in front of the house. This thing is FAST! When you when you slow do she does speed wibbles.