Shimano MF-Z012 6-speed Uniglide Freewheel With 14-28 Teeth And English Thread From 1986 Shimano MF-Z012 6-speed Uniglide Freewheel With 14-28 Teeth | kondoonung.com
Shimano #MF-TZ21 7-speed Freewheel with 14-28 teeth from 2012 – Velosaloon.com
Shimano MF-TZ20 6 Speed Bicycle Bike Freewheel 14- 28T Index - Screw On | eBay