Shimano 12V Cassette. 105 CS-R7101 11-34
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About this product
Overview
The Shimano 105 CS-R7101 is a 12-speed cassette designed for road and gravel cycling, offering a 11-34 tooth range that balances climbing ability with speed on flat terrain. This is Shimano's mid-tier groupset component, delivering reliable performance at a reasonable price point.
Key Specifications
This cassette features 12 sprockets with a maximum cog of 34 teeth and minimum of 11 teeth, weighing approximately 280 grams. The steel construction ensures durability, and it's compatible with Shimano HG-X chains and 12-speed drivetrains, making it a direct upgrade for existing 105 systems.
Who It's For
Cyclists upgrading from older 10 or 11-speed setups will appreciate the smoother gear transitions and wider range. Gravel riders and endurance cyclists benefit from the 34-tooth bailout gear for steep climbs, while road racers value the tight spacing in the mid-range gears for competitive riding.
Worth Buying?
The 11-34 range makes this cassette versatile enough for mixed terrain without sacrificing performance on pavement. At the 105 tier, you're getting proven Shimano reliability without the premium price of Ultegra or Dura-Ace components.