Shimano  Ultegra SL (RD-6600-D) Rear Derailleur

Ultegra components will be available in an additional color option (Ice Grey Finish). This new beautiful finish will give the opportunity of even more beautiful and stylish road bikes. Ultegra's ice grey finish is not only a cosmetic addition, but also features a weight saving of over 70 grams compared to the regular Ultegra package. Furthermore an Ultegra branded compact crankset will be available.

Product Specs

Advanced Wide Link design rear derailleur

Super stiff for fast and accurate changes across the cassette

Large 11 tooth pulleys increase service life and reduce noise

Sealed bearing tension pulley is smooth and durable

Lightweight alloy adjuster bolts

Super light shift action

Ultegra SL Ice Grey finish

Compatible with 8-, 9-, and 10-speed drivetrains

Average weight: 200 g (SS)