Upgrade your cycling performance with the Shimano CSR9200 Dura-Ace Road Cassette 12spd 11-30T, a cutting-edge component designed for serious riders. Seamless shifts are possible even under maximum load, allowing for fluid transitions during climbs and sprints without losing momentum. The refined 12-speed gear combination offers peak efficiency, while larger cogs enhance drivetrain performance. Compatibility with both 11-speed and new 12-speed freehub bodies ensures versatility for various setups. Whether racing or tackling challenging rides, this cassette is engineered to keep you at the front of the pack, providing an exceptional riding experience.Features:- Faster, seamless shifts under maximum pedaling load- Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation- Compatible with new 12-speed and road 11-speed FREEHUB body

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