The Shimano 105 CS-R7101 12 Speed 11-34t Cassette is built for road cyclists who need reliable, smooth shifting across all types of terrain. With an 11-34T gear range, this cassette handles steep climbs, fast descents, and everything in between. Whether you’re racing, training, or enjoying a long ride, the CS-R7101 helps you maintain a steady cadence and respond quickly to changes in elevation or speed.

Its refined 12-speed gearing offers consistent acceleration and peak pedaling efficiency. The CS-R7101 is compatible with both Shimano 11-speed and 12-speed freehub bodies, giving riders more flexibility when upgrading or swapping wheels. It also works with Shimano HG 12-speed chains, ensuring quiet and dependable performance mile after mile.

Key Features:

• Wide 11-34T Gear Range Delivers smooth performance from climbs to sprints.

• Freehub Compatibility Fits Shimano 11-speed and 12-speed freehub bodies.

• Refined 12-Speed Gearing Provides efficient, responsive gear changes for any ride.