This is a BMX Old School Power Stem 1980’s Design. 21.1mm shaft for 1” Old School BMX. 1980 design.
GT BMX MAG FUN WHEELS Set 1993 Old School BMX Old School Black Old School
MKS BM-7 Alloy Anodized MTB BMX Old School Flat Bike Pedal 9/16"
bmx old school *** PEREGRINE *** COMPACT DSC 42T curious production unique piece
bmx old school NOS skyway California Lite Pad bar
Axle Pegs BMX Old School Freestyle 10 mm Knurled Not Threaded 4.5 x 1.75 Inch 
Diamondback Sugino Stem 80s BMX Old School
