Its just the cheap plastic air filter that came with the kit. It was broken in shipping, so I glued it back together, and I could see where it was broke, soooo I painted it red...
Good job Mister! I just put a rack on my 26”cruiser. Took it off a junk 20" bike. I had some aluminum struts from one of those old big satellite dishes. They made terrific support struts for the bike rack.
A work in progress. I changed my chamber around and wrapped it, added a suspension fork, did a little painting, added a bag to carry tools and other items, got the dual pull brake lever (really cleans up the handlebar area). Next maybe a SBP shifter kit.........