SHIMANO Dura Ace 12V Cassette CSR920012

Introducing the Shimano Dura Ace 12V Cassette CSR920012 - Silver, designed to enhance your shifting experience with larger driving cogs for improved efficiency. This cassette is compatible with both SHIMANO 11 and 12-speed freehub bodies, allowing for seamless shifts up and down the gear range. Riders can maintain power during climbs or sprints without needing to back off to shift. Features:

• Larger driving cogs for increased drivetrain efficiency
• Compatible with SHIMANO 11 and 12-speed freehub bodies
• Seamless shifts up and down the gear range
• Allows riders to maintain power during maximal efforts
• Does not increase weight despite adding an extra gear