Product out of stock

Rotor Qrings Shimano 12-speed road bike inner chainring

Name: Rotor Qrings Shimano 12-speed road bike inner chainring
Brand: Rotor
SKU: 1877246
Price: 40.71 EUR
Availability: OutOfStock
Rating: 5.00 (2 reviews)

(2 reviews)

Tooth counts: 34 / 36 / 39 - compatible with Shimano 11-speed

MPN : C01-048-27010-0 | EAN : 8434366024677 | Ref : 18772460001

€40.71

Price : €60.00

Product out of stock

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Based on 2 reviews

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Rotor Qrings Shimano 12-speed road bike inner chainring

More details Product out of stock

Rotor Qrings Shimano 12-speed road bike inner chainring

€40.71

Also available in store

Notre avis

The Rotor Qrings Shimano 12v internal chainring will optimise your pedalling performance by making it easier to shift gears.

Julien C.

20 years' experience in the world of cycling

If your bike is fitted with a Shimano 12-speed groupset, such as Ultegra or Dura-Ace, and you’re looking to fit oval chainrings, these Rotor Qrings are the best solution. Available with 34, 36 or 39T teeth, this inner chainring reduces the amount of muscle power required during the dead centre of the pedal stroke. With its oval shape, this chainring offers greater power potential in the power zone. Suffice to say that with it, you’ll clearly take your road cycling to the next level.

Rotor’s recommendations for optimised performance: 50-34 / 52-36 / 53-39

Technical specifications:

- Position: Internal
- Teeth: 34 / 36 / 39
- Compatible only with Shimano 12- and 11-speed cranksets

Speed compatibility	11-12v
Toothing	34
Tray position	internal
EAN	8434366024677
Supplier reference	C01-048-27010-0

Speed compatibility	Toothing	Tray position	Availability		Price	Supplier reference	EAN
Speed compatibility	Toothing	Tray position	Web	Stores	Price	Supplier reference	EAN
11-12v	34	internal	Sold out	Sold out	€40.71	C01-048-27010-0	8434366024677
11-12v	36	internal	Sold out	Sold out	€40.71	C01-048-25010-0	8434366024660
11-12v	39	internal	Sold out	Sold out	€40.71	C01-048-22010-0	8434366024653

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1★

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5★

10/10

Based on 2 reviews

Emmanuel w.
Published May 16, 2026 at 05:54 pm (Order date: May 02, 2026)

5

matches what I wanted on an Ultegra FC 8000 (Translated review)
Alexandre L.
Published Jul 04, 2025 at 09:02 pm

5

I took these chainrings in 50-34 to replace old models in 53-38 on a Shimano 10-speed group, no issues to report on the first rides. And as expected, perfectly compatible with Ultegra 8100 crankarms in 165cm that I took instead of my Dura-Ace 9000 172.5cm. (Translated review)