ShimanoROAD on Twitter: "The introduction of the Shimano Ultegra groupset (model 6500) in 1998. #throwbackthursday #tbt #rideshimano http://t.co/xzUAg7hwiD" / Twitter
Shimano 6500 to R8000 Ultegra Upgrade - YouTube
The best Shimano (Ultegra 6500), finally found for my rig. - Main Forum - SurfTalk