Originally Posted by
LesterOfPuppets
In BMX parlance, American typically refers to Ashtabula (or one-piece)
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.