Shimano Ultegra Cassette CS-R8101 / 12 sp - 11-34

Shimano ULTEGRA R8150 12-Speed HYPERGLIDE+ Cassette

• Seamless 12-speed shifting for maximum efficiency in every racing scenario

• Smooth, fast shifts even under full pedaling force

• Compatible with 12-speed and 11-speed road FREEHUB bodies

• Larger cogs improve cadence control and acceleration

• Durable HYPERGLIDE+ design for consistent performance in all road conditions