Created by definitive Shimano engineering and the latest technology, the new 7900 series Dura-Ace mechanical road group provides the ideal synergy of lightweight, durability and overall performance.

Featuring four titanium cogs, the Dura-Ace CS-7900 cassette has further improved shifting quality by creating a more rigid aluminum carrier unit along with a re-engineered tooth profile.

• 10-speed compatibility
• Hyperglide (HG) sprockets use specifically positioned shift ramps and tooth profiles for improved shifting
• Titanium sprockets receive a superior surface treatment to increase durability by approximately 30%
• Updated design on the cogs for better shifting performance for more robust shifting, and weight savings
• Super light weight yet rigid aluminum carrier
• Use with Super Narrow HG Chain for 10-speed
• 163 grams (11-23)

Brand: Shimano