Shimano Dura Ace CS-7900 10-speed Cassette

Item number: 19138
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Dura Ace CS-7900 10-speed Cassette - silver/11-23
Dura Ace CS-7900 10-speed Cassette - silver/11-23
Dura Ace CS-7900 10-speed Cassette - silver/11-23
Dura Ace CS-7900 10-speed Cassette - silver/12-27
Dura Ace CS-7900 10-speed Cassette - silver/11-28
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The Dura Ace CS-7900 10-speed cassette by Shimano - weight-optimised and torsion-resistant


In the Shimano CS-7900 Dura Ace cassette, the four largest sprockets are made of titanium to reduce weight and increase stiffness. The two lightweight metal carrier stars also reduce weight and offer high torsional strength. You can also use the CS-7900 cassette on 11-speed Road freewheels if you additionally use a 1.85 mm spacer. For 8 to 10-speed Road/MTB freewheels, the 1 mm spacer supplied is sufficient.

Specifications:


Application: Road
Gearing: 10-speed
Gradation: 11-21, 11-23, 11-25, 11-28, 12-23, 12-25, 12-27
Sprocket Material: steel, titanium
Freehub Body Compatibility: Shimano MTB
Note: compatible with Shimano Road 11-speed with a 1.85 mm spacer

Technical Information:


Series: Dura Ace 7900
Spider: 2 (aluminium)
Recommended Chain: HG 10-speed (e.g. CN-6701)

Features:


- HG cassette
- weight-optimised sprocket design
- improved shifting function for more precise shifts and less weight
- super-light, high-strength aluminium carrier
- the four largest sprockets (7 to 10) made of titanium for less weight, higher rigidity
- diverse gradations
- nickel-plated steel sprocket , anodised lockring

Technology:


HG
In combination with Hyperglide (HG) chains, HG sprockets ensure fast and responsive indexed shifting. HG sprockets have specially positioned shift ramps and tooth profiles that improve chain control during shifting. Fast, fluid and silent shifting is the result. Conventional sprockets cause the chain to ride up and over the gear teeth before engaging the sprocket. HG sprockets guide the chain quickly and directly to the next sprocket without override.

Models:


11-21:
- Gradation: 11-12-13-14-15-16-17-18-19-21 t
- Manufacturer Part Number: I-CS790010121

11-23:
- Gradation: 11-12-13-14-15-16-17-19-21-23 t
- Manufacturer Part Number: I-CS790010123

11-25:
- Gradation: 11-12-13-14-15-17-19-21-23-25 t
- Manufacturer Part Number: I-CS790010125

11-27: sold-out
- Gradation: 11-12-13-14-15-17-19-21-24-27 t
- Manufacturer Part Number: I-CS790010127

11-28:
- Gradation: 11-12-13-14-15-17-19-21-24-28 t
- Manufacturer Part Number: I-CS790010128

12-23:
- Gradation: 12-13-14-15-16-17-18-19-21-23 t
- Manufacturer Part Number: I-CS790010223

12-25:
- Gradation: 12-13-14-15-16-17-19-21-23-25 t
- Manufacturer Part Number: I-CS790010225

12-27:
- Gradation: 12-13-14-15-16-17-19-21-24-27 t
- Manufacturer Part Number: I-CS790010227

Contents:


- 1 x Shimano Dura Ace CS-7900 cassette
- 1 x Shimano aluminium lockring
- 1 x Shimano 1 mm spacer (to mount to 8-/9-/10-speed freehub bodies)


Gewicht:

  • silver/11-25: 180 g
  • silver/11-28: 187 g
  • silver/12-27: 189 g

Models:

in stock 2 to 7 days up to 10 days Out of stock inform me
  • silver/11-25
    180.67€
  • silver/11-28
    147.06€
  • silver/12-25
    180.67€
  • silver/12-27
    147.06€

Customer Reviews (2)

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Customer Reviews (2)

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by Wolfgang T.  on 08.12.2015
verified purchase

Es mag leichtere Kassetten geben - Haltbarkeit und vor allem völlig problemloses Schalten selbst mit der alten Dura Ace 7800 (Bj. 2007) machen diese Kassette für mich alternativlos.

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by Martial M.  on 27.02.2014
verified purchase
3 of 3 customers found this review helpful.

15.000km gefahren, inzwischen 3-4x die Kette gewechselt. Kassette immernoch i.O.

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