Shimano Ultegra 12 speed Cassette - R8101
Shimano Ultegra 12 speed Cassette - R8101
Couldn't load pickup availability
Shimano Ultegra 12-Speed Cassette | CS-R8100 Road Bike Cassette
Developed using Shimano's latest HYPERGLIDE+ technology, the Ultegra R8100 cassette provides smoother gear changes under load, allowing you to shift confidently whether you're climbing steep gradients, sprinting to the finish, or cruising on fast group rides.
Available in multiple gear ratios, the Shimano Ultegra 12-speed cassette offers an ideal balance between lightweight performance and a wide gear range, making it suitable for racing, endurance riding, and training.
Key Features
- Shimano Ultegra CS-R8100 12-speed cassette
- Smooth and fast HYPERGLIDE+ shifting performance
- Compatible with Shimano 12-speed road drivetrains
- Lightweight construction for improved climbing performance
- Durable steel sprockets with alloy carrier for reduced weight
- Optimised gear progression for efficient cadence management
Available in popular ratios including:
- 11-30T
- 11-34T
Shimano HYPERGLIDE+ Technology
Shimano's proven HYPERGLIDE+ technology delivers seamless shifting, even under heavy pedalling loads. Riders benefit from faster upshifts and smoother downshifts with minimal interruption to power, helping maintain momentum across varying terrain.
Compatibility
The Shimano Ultegra R8100 cassette is compatible with:
Shimano Ultegra R8100 Di2 groupsets
Shimano Dura-Ace R9200 drivetrains
Shimano 12-speed road rear derailleurs
Shimano HG L2 freehub bodies
Specifications
Model: CS-R8100
Speeds: 12-Speed
Series: Shimano Ultegra R8100
Technology: HYPERGLIDE+
Discipline: Road Cycling
Material: Steel sprockets with alloy carrier
Available Ratios: 11-30T, 11-34T (model dependent)
Collapsible content
Shipping
- Shipping is on us for orders over R2500 and adult bikes over R20000.
- A delivery surcharge will be added for bikes being shipped to outlying areas (R1200 additional)
- Smaller items are shipped using TheCourierGuy, larger items are shipped using Triton Express.
- Items which are ordered from suppliers can take up to 7 days to receive.
- Custom items have a lead time which will be discussed after checkout.
Payment Methods
Yoco Payment Portal: Apple Pay, G Pay and Credit/Debit Card Transactions.
Quote-based system: EFT/Yoco Payment Link for card payments. Best for custom orders, bicycles, Yonda bike finance.
Returns/Exchanges
- Product returns incur a 5% handling charge and exclude courier fees. (R150)
- Product exchanges incur no handling fee, but do exclude courier fees.
- Items must be in brand new condition with the original packaging.
The following items may not be returned: Nutrition, tyre sealant, chamois cream.