ShimanoROAD on Twitter: "Already 10 years ago we introduced the Shimano Ultegra 6600 10-speed group set! #ThrowbackThursday http://t.co/LrI0punwvk" / Twitter
Shimano Ultegra St-6600 Sti Lever Name Plate & Fixing Screw Left / Right Hand For St-6600 Y6k298020 - Bicycle Derailleur - AliExpress
Shimano Ultegra SL RD-6600-G Rear Derailleur - Bike