Originally Posted by Bill Kapaun

I don't do BMX and with all the BB standards that keep popping up, one person's "Old Style" is somebody else's nth generation. I didn't want to presume- "adapters for 19mm and 22mm spindles" aren't in my old school memory.


"The Theory Verify Sprocket is simple and effective, yet wallet-friendly. Constructed of 6061 aluminum sprocket, it has a 15/16" bore and includes adapters for 19mm and 22mm spindles....
Begs the question if the proper (if needed) adapter was used as Schweinhund mentioned.