ACS CROSSFIRE 1/2" x 3/32" x 19T Chromoly BMX freewheel . Fits 3/32" & 1/8" single speed chains. CROSSFIRE was the last 19T freewheel from ACS. Removable with CROSSFIRE 6-spline tool.
These freewheels are NEW OLD STOCK that were stored oiled & wrapped. Each one has been has been opened, re-lubed, spin-checked and bagged, or still in original packaging. No rust.