Dura Ace 7700 was the best Shimano road group ever - Bike Forums
Shimano Dura-Ace derailleur (7700 GS)
Shimano Dura-ace RD-7700 Rear Derailleur good condition | #131621973
Retro Shimano 9 Speed Dura Ace RD7700 Rear Derailleur Mech RARE GS Medium Cage for sale online | eBay
Anyone familiar with this Dura Ace RD-7700 rear derailleur? Looking to use it with a ten speed cassette but was wondering if anyone has tried it (bc of age, manual only mentions