Shimano CS-R8101 Cassette 11-34

This 12-speed cassette offers a wide gear range for versatile riding, while the durable construction ensures long-lasting performance. 

Key Features:

• Enhanced 12-step gear configuration ensures top efficiency and accelerated performance across all race conditions.
• Achieve quicker, smoother shifts, even under intense pedaling forces.
• Fully compatible with both new 12-speed and traditional road 11-speed FREEHUB bodies.