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SHIMANO Ultegra CS-R8101 Hyperglide+ Cassettes 12-Speed

₹9,220
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Shimano Ultegra CS-R8101 Cassette - HyperGlide+ | 12-speed

When developing the Ultegra R8100 series, Shimano took a holistic and 100% performance-oriented approach, because great speed means great responsibility. Faster than ever before, the 12-speed road bike groupset scores with unparalleled control and comfort anytime and anywhere - whether in an amateur race, on the hunt for a personal best time or on a companionable ride.

As with the Dura Ace R9200, Hyperglide+ is not only used in the Ultegra components, its Di2 components also rely on wireless technology to further simplify operation and ensure smooth shifting.

The Shimano Ultegra CS-R8101 cassette is characterized by seamless shifting operations that not only ensure quiet cruising, but also allow the rider to devote their full concentration to climbs and sprints. This is made possible by Hyperglide+ technology, which has already proven itself in the MTB segment with smooth shifting in both directions across the entire gear range.

Smooth upshifts and downshifts can be achieved even under maximum effort or in a direct duel with an opponent, while larger teeth maintain maximum efficiency. And the 12-speed cassette is even compatible with Shimano's previous 11-speed freehub bodies.

Features of the Shimano Ultegra CS-R8101 12-speed cassette

  • Gradations:
    • 11-12-13-14-15-16-17-19-21-24-27-30 
    • 11-12-13-14-15-17-19-21-24-27-30-34 
  • Material:
    • Sprocket: Steel (nickel plated)
    • Spider: Aluminum
    • Locking ring: Aluminium (anodized)
  • Weight (manufacturer's specification):
    • approx. 291 g (11-30 teeth)
    • approx. 345 g (11-34 teeth)

       

Hyperglide+
Conventional Hyperglide technology ensures smooth upshifting thanks to small shifting ramps that guide the chain towards the next larger sprocket. Hyperglide+ adopts this function, but also applies it in the opposite direction to prevent the chain from dropping when shifting down. The result is smooth and consistent shifting in both directions, free from vibrations and without throwing off the cadence.

Compatibility:
Rear derailleur: RD-R9250, RD-R8150, RD-R7150 (11-34T only)
Chain: CN-M9100, CN-M8100, CN-M7100, CN-M6100
Fact-Sheet:
  • Product Name - Shimano Ultegra CS-R8101 Cassette - HyperGlide+ | 12-speed
  • Item Code - SHI640607
  • Material - Steel
  • Usage Bikesport - Road Bike, Allroad / Gravel
  • Number of Gears - rear - 12
  • Freehub Body - HG L (Shimano 11/12s Road), HG L2 (Shimano 12s only Road)
  • Color - Silver
  • Weight - 291g
  • Manufacturer Item Code - ICSR810112130 (11-30T) | ICSR810112134 (11-34T)

 

 

Complete your kit

Frequently Asked Questions

The Shimano Ultegra CS-R8101 is a high-performance 12-speed road cassette featuring Hyperglide+ technology for seamless, quiet shifting even under maximum pedaling load. Designed for competitive cyclists in India, it provides unparalleled control and efficiency for both high-speed sprints and steep Himalayan climbs.

What are the main performance advantages of the Hyperglide+ technology in this cassette?

Hyperglide+ technology allows for faster, smoother shifting across the gear range by reducing pedaling shock, enabling riders to maintain consistent cadence and power during intense efforts.

Is the Shimano Ultegra CS-R8101 compatible with my existing 11-speed wheelset?

Yes, the CS-R8101 12-speed cassette is designed to be backwards compatible, fitting both the newer Shimano 12-speed freehub bodies and standard 11-speed road freehub bodies.

How can I maximize the lifespan of this cassette given the dusty riding conditions in India?

To ensure longevity, clean the cassette regularly with a bike-specific degreaser to remove road grime and always use a high-quality lubricant; additionally, replace your chain promptly when it shows 0.5% wear.

Why is the Ultegra CS-R8101 a preferred choice for Indian road racers compared to Dura-Ace?

The Ultegra CS-R8101 offers nearly identical shifting speed and wireless Di2 integration as the flagship Dura-Ace series but at a significantly more competitive price point, making it the ideal value-to-performance choice.