Shimano Ultegra CS-R8000 Cassette
Best performance upgrade for avid cyclists seeking smooth, reliable gear changes.
This 12-speed cassette delivers seamless, uninterrupted shifting performance, even under heavy pedaling loads. Designed for efficiency, it bridges the gap between road 11-speed and 12-speed systems, making it a versatile upgrade for riders looking to optimize their drivetrain for both climbing and sprinting.
$131.43
at
Bicycle Addiction
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Who it's for
- Road cyclists demanding reliable and precise gear transitions.
- Riders who value robust components that withstand extensive use.
- Performance-focused riders seeking a lightweight yet stiff drivetrain.
Who should skip it
- Budget-conscious cyclists or those building an economical bike.
- Cyclists with non-Shimano or older 10-speed drivetrains.
- New riders unfamiliar with routine drivetrain care.
Performance breakdown
Shift Precision
Hyperglide technology delivers crisp, near-instantaneous gear changes under load.
Weight Efficiency
Lightweight construction balances durability without adding unnecessary rotational mass.
Durability
Hardened steel cogs withstand high-torque demands of modern e-bike motors.
Gear Range Versatility
The 11-30 tooth spread handles steep climbs and fast flats effortlessly.
Installation Ease
Standard HG hub compatibility makes swapping this cassette a straightforward task.
Power Transfer
Refined tooth profiling ensures efficient energy delivery with every pedal stroke.
Key Specs
Series
Shimano Ultegra
Drivetrain Component Type
Cassette
Number of Speeds
11
Smallest Cog Teeth
11
Largest Cog Teeth
30
Weight
269 grams
Hub Compatibility
Shimano HG
Intended Use
Road Cycling, E-Bike
Shifting Technology
Shimano Hyperglide
Cassette Cogs
11-12-13-14-15-17-19-21-24-27-30
Know before you buy
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