Shimano Ultegra CS-R8101 12-Speed Hyperglide+ Road Bike Cassette - Silver
Shimano Ultegra CS-R8101 12-Speed Hyperglide+ Road Bike Cassette - Silver - NEW is backordered and will ship as soon as it is back in stock.
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Free & Fast Delivery
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12 Month Full Warranty
12 Month Full Warranty
For added re-assurance all items sold include a 12-month warranty. The 12 months warranty starts from the date of purchase. Read more
60 Day Returns Policy
60 Day Returns Policy
If your item develops a fault after the 60-day grace period, please Contact Us to organise a replacement item (stock permitting). If your item is older than 60 days we will offer our repair service. Read more
Brand New: Item is new and unused with possible box damaged/box replaced with item seal removed. Item is otherwise complete with all accessories as you would expect from a new item. 12 months warranty supplied.
Like New (A): Item is new and unused with possible box damaged/box replaced with item seal removed. Item is otherwise complete with all accessories as you would expect from a new item. 12 months warranty supplied.
Excellent (B+): Item may have been purchased and returned as unwanted and as a result will have very slight marks on the casing and possible box damage or replaced box. Item is otherwise complete with all accessories. 12 months warranty supplied.
Excellent (B-): Item may have been purchased and returned as unwanted and as a result will have very slight marks on the casing/screen with possible box damage or replaced box. Item is otherwise complete with all accessories. 12 months warranty supplied.
Very Good (C+): Item is a customer return or ex-display item and as a result may have some noticeable marks on the casing and possible box damage or replaced box. Item is otherwise complete with all accessories. 12 months warranty supplied.
Very Good (C-): Item is a customer return or ex-display item and as a result may have some noticeable marks on the casing/screen and possible box damage or replaced box. Item is otherwise complete with all accessories. 12 months warranty supplied.
Fair (D+): Item is a customer return or ex-display item and as a result may have some significant/noticeable marks on the casing and possible box damage or replaced box. Item is fully tested/working and complete with all accessories. 12 months warranty supplied.
Fair (D-): Item is a customer return or ex-display item and as a result may have some significant/noticeable marks on the casing/screen and possible box damage or replaced box. Item is fully tested/working and complete with all accessories. 12 months warranty supplied.
Shimano Ultegra CS-R8101 12-Speed Hyperglide+ Road Bike Cassette - ...
Description
Description
Shimano Ultegra CS-R8101 12-Speed Cassette
The Shimano Ultegra CS-R8101 cassette is designed to deliver fast, smooth and efficient shifting performance for modern 12-speed road drivetrains. Featuring Shimano's advanced Hyperglide+ technology, it allows seamless gear changes even under heavy pedalling loads, helping riders maintain momentum during climbs, sprints and high-intensity riding.
As part of the latest Ultegra groupset, the CS-R8101 combines lightweight construction, refined gear spacing and excellent drivetrain efficiency. Its advanced tooth profiles and shift ramps are engineered to provide precise shifting performance with both mechanical and Di2 12-speed systems.
The cassette retains compatibility with traditional Shimano HG road freehub bodies, making upgrades straightforward without necessarily requiring new wheels or hubs.
Key Features
- Shimano Ultegra R8100 series cassette
- 12-speed drivetrain compatibility
- Hyperglide+ technology for faster shifting
- Smooth gear changes under pedalling load
- Compatible with Shimano Di2 and mechanical systems
- Fits standard Shimano HG freehub bodies
- Refined gear progression for efficient cadence control
- Lightweight and durable construction
- Designed for road cycling performance
Specifications
- Brand: Shimano
- Series: Ultegra R8100
- Model: CS-R8101-12
- Type: Cassette
- Speed Compatibility: 12 Speed
- Technology: Hyperglide+
- Compatible Chain: Shimano HG 12-Speed
- Freehub Compatibility: Shimano HG 11/12-Speed Road
- Colour: Silver
- Available Ratios: 11-30T or 11-34T
- Discipline: Road Cycling
Designed for riders demanding quick, precise and dependable shifting performance, the Shimano Ultegra CS-R8101 delivers the efficiency and reliability expected from one of Shimano's premier road cycling groupsets.
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