Shimano 105 R7101 12spd. Cassette

The Shimano 105 R7101 12‑Speed Cassette brings smooth, responsive gear changes and versatile range to your drivetrain — whether you’re tackling highway flats, rolling hills, or steep climbs. Built on Shimano’s trusted Hyperglide technology, this cassette delivers consistent and efficient shifts across its range, with a durable nickel‑plated finish and light aluminum carrier keeping weight low without sacrificing strength.

Key Features

• Reliable Hyperglide Shifting: Precision‑engineered tooth profiles and shift ramps create smooth, fast gear changes even under load.
• Wide Gear Range: The 11‑34T configuration (11‑12‑13‑14‑15‑17‑19‑21‑24‑27‑30‑34) gives you the versatility to sprint flats and climb tough grades comfortably.
• Compatible with Standard Freehubs: Works with Shimano road 11‑speed and 12‑speed freehub bodies, making upgrades easier on many wheelsets.
• Durable Construction: Steel sprockets and an anodized aluminum spider offer strength, corrosion resistance, and long service life.
• Efficient Power Transfer: Refined 12‑step progression helps you maintain momentum and cadence through variable terrain.

Specifications

• Model: CS‑R7101‑12
• Speeds: 12
• Material: Nickel‑plated steel sprockets with aluminum carrier
• Weight: ~361 g
• Compatibility: Shimano HG 12‑speed chains and Shimano road freehub bodies
• Ideal For: Road, gravel, and mixed‑terrain cycling

Why Riders Choose It

The Shimano 105 R7101 cassette delivers smooth, dependable performance without the premium price premium. Its wide gear ladder is perfect for riders who want versatility for group rides, long tours, and varied terrain — and its Hyperglide design ensures every shift feels crisp and confident. Compatible with both mechanical and electronic Shimano drivetrains, it’s a versatile, long‑lasting choice for upgrading worn cassettes or building out a 12‑speed road or gravel bike.