Shimano Ultegra CS-R8101

12-speed, 11-34
39Ratings
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Product details

The Shimano CS-R8101-12 is the matching 12-speed cassette for the new Ultegra R8100 and GRX RX820 groupset. The advanced drivetrain is 100% focussed on performance and is a real revolution thanks to Hyperglide+ technology. Compatible with HG Spline L2 road bike 12-speed and HG Spline L road bike 12/11-speed freehub bodies.

Key specifications

Number of pinions
12-speed
Gradation of pinion sizes
11, 12, 13, 14, 15, 17, 19, 21, 24, 27, 30, 34
Number of teeth smallest pinion
11x
Number of teeth largest pinion
34x
Weight
320 g

General information

Item number
32468162
Manufacturer
Shimano
Category
Bike cassettes
Manufacturer no.
ICSR810112134
Release date
20.1.2023
Sales rank in Category Bike cassettes
4 of 875
External links
Manufacturer's site (de)

Colour

Colour
Silver
Exact colour description
Silver

Material

Material group
Metal
Material
Aluminium housing, Steel pinion

Cassette properties

Bike area of use
Racing bikes
Number of pinions
12-speed
Gradation cassette
11-34
Gradation of pinion sizes
11, 12, 13, 14, 15, 17, 19, 21, 24, 27, 30, 34
Number of teeth smallest pinion
11x
Number of teeth largest pinion
34x
Model year
2024

Origin

Country of origin
Japan

Voluntary climate contribution

CO₂-Emission
4.07 kg
Climate contribution
CHF 0.11

Product dimensions

Weight
320 g

Package dimensions

Length
19.80 cm
Width
19 cm
Height
6.80 cm
Weight
500 g

30-day right of return
24 Months Warranty (Bring-in)
5 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bike cassettes» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Campagnolo
    0 %
  • 2.Shimano
    0.1 %
  • 3.SunRace
    0.2 %
  • 4.Sram
    0.4 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Shimano
    Not enough data
  • 1.Sram
    3 days
  • Campagnolo
    Not enough data
  • SunRace
    Not enough data

Return rate

How often is a product of this brand in the «Bike cassettes» category returned?

Source: Digitec Galaxus
  • 1.Campagnolo
    1.2 %
  • 2.Shimano
    3.4 %
  • 3.SunRace
    5.1 %
  • 4.Sram
    5.7 %
Source: Digitec Galaxus