The MF-Z012 is a solidly useful late 80s Shimano indexed compatible six speed freewheel with nicely finished silver sprockets. Typical of Shimano mid-range kit of the period this is really well built without being overly heavy, ready to fit and use.
- Model: MF-Z012
- 6 speed for indexed systems
- 13 to 24 tooth range
- British (BSC) thread
- 33 mm stack height
- Weighs 384 grams
- Made in Japan
- Date stamped 1988