Shimano 105 CS-R7100 12 Speed Cassette

Upgrade your drivetrain with the SHIMANO 105 HG Cassette 12-Speed (CS-R7101-12), engineered for road cyclists seeking reliability, smooth shifting and compatibility across 11- and 12-speed setups.

Key Features:

• Wide-range 11-34T gearing offers versatile performance from high cadence flats to steep climbs.

• Compatible with both 11-speed and 12-speed freehub bodies, offering flexibility for upgrades or mixed-component builds.

• Utilises SHIMANOs Hyperglide cassette technology with optimised ramp and tooth profiles for fast, quiet and responsive indexed shifting.

Why youll appreciate it:
Whether youre pushing through a training block, chasing personal bests or simply upgrading your rides gearing range, the CS-R7101-12 delivers dependable performance. It gives you the smooth shifts, broad range and compatibility demanded by modern road bikes without the premium price tag of higher-end tiers.

Fit & Usage Tip:
Ensure your freehub body is compatible (HG for 11-speed or specific 12-speed models) and that your chain length and derailleur cage are sized appropriately for a 34T large cog. After installation, run the drivetrain quietly through all gears and inspect chain wrap before your first major ride.