• Rare Regina Synchro 90 16T-21T 6-speed freewheel, with splined body for easy removal. New In Box. 
• Perfect mechanical condition and cosmetics. Ready for index and friction shifting.
• The most desired freewheel brand from the vintage era and made in Italy from 1986.
• 16-17-18-19-20-21T.
• For your 126/130mm threaded hub.
• English/ISO threads.
• Made in 1986.
• 427 grams/15.0oz.
• FW2248.
• FREE shipping in the USA.