Product out of stock

Rotor Round Shimano 12-speed external and internal road bike chainring set

Name: Rotor Round Shimano 12-speed external and internal road bike chainring set
Brand: Rotor
SKU: 1883129
Price: 49.99 EUR
Availability: OutOfStock
Rating: 5.00 (6 reviews)

56-44 or 58-44 - Bolts included

Ref : 18831290001

€49.99 €179.95

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Based on 6 reviews

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Rotor Round Shimano 12-speed external and internal road bike chainring set

More details Product out of stock

Rotor Round Shimano 12-speed external and internal road bike chainring set

€49.99 €179.95

Notre avis

Take advantage of this special offer from Materiel-velo.com to change the chainrings on your drivetrain with this Rotor Rond Shimano 12-speed kit at a reduced price.

Denis M.

A former racer with a keen eye for equipment

If you’re a courier looking to fit 58-44 or 56-44 chainrings to get up to speed as quickly as possible on the road, this Shimano 12-speed Round Rotor kit is for you! Supplied with all necessary hardware, these two chainrings are compatible with Shimano 12-speed groupsets. Featuring a BCD110x4 spider, they guarantee fast and precise gear changes whilst being as aerodynamic as possible.

Technical specifications:

- Colour: Black
- Use: Road, Triathlon
- Round chainrings
- Kit includes inner and outer chainrings plus bolts
- Chainring tooth counts: 58-44, 56-44
- Compatibility: Shimano 12-speed
- BCD: 110x4
- Material: 7075-T6 aluminium alloy, 100% CNC-machined

Colours	black
Speed compatibility	11-12v
Toothing	58-44

Average rating: 5 out of 5

Based on 6 reviews

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Rated 5 out of 5 JORGE G.

Published Dec 04, 2025 at 08:44 pm Order date: Nov 21, 2025 (Translated review)

Perfect development for flat terrain.
Rated 5 out of 5 Bruno U.

Published Apr 22, 2025 at 07:29 pm (Translated review)

Mounted on CLM bike 11V, chainrings 56x44, no issues
Rated 5 out of 5 Stéphane T.

Published Mar 31, 2025 at 10:36 am (Translated review)

I had a 54 x 40, but downhill I was looking for something bigger. Rotor is stiff, reliable, and light. Perfect for the time trial bike
Rated 5 out of 5 Nicolas t.

Published Dec 01, 2024 at 06:21 pm (Translated review)

The top hyper aero.
Rated 5 out of 5 Marc J.

Published Nov 16, 2024 at 10:06 pm (Translated review)

Good product, gears shift well, be careful you will need an adapter to raise the derailleur in Ultegra, maybe not in Dura-Ace...?
Rated 5 out of 5 Colin b.

Published Nov 13, 2024 at 09:39 pm (Translated review)

Rotor quality, simple, effective, beautiful finish.

Colours	Speed compatibility	Toothing	Availability		Price	Supplier reference	EAN
Colours	Speed compatibility	Toothing	Web	Stores	Price	Supplier reference	EAN
black	11-12v	56-44	Sold out	1 store MV Colmar shop	€49.99
black	11-12v	58-44	Sold out	1 store MV Nantes shop	€49.99