Shimano 11/12-speed chainrings

Shimano road · 11 & 12-speed

Keep your Shimano crank arms, change the chainrings

On compatible 105, Ultegra and Dura-Ace cranksets, Rotor offers the widest gearing choice and Q-Rings, while Alugear brings CNC-machined kits and strong aero solutions for recent Shimano generations.

Rotor

Range & Q-Rings

Round or oval, conventional or large gearing, open and aero options depending on the exact setup.

Alugear

CNC & aero

Shimano 12-speed kits, alternative gearing, aero covers and solutions for several crank generations.

Explore Alugear

Check the crank reference FC-R7100 FC-R8100 FC-R9200 -P versions need extra checks

Shimano 11/12-Speed Chainrings | Rotor & Alugear

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Showing 1-12 of 20 item(s)

ALUGEAR Shimano 12-speed inner chainring 34 36 40T | Velo-Perso.com

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Shimano 11/12-speed chainrings

ALUGEAR Shimano 12-speed Inner Chainring 34 36 40T 110 BCD 4-bolt Black

€36.00

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Black ALUGEAR AERO Shimano 12-speed outer chainring 48 50 52 54 56T

Close-up of teeth and CNC machining on black ALUGEAR AERO Shimano 12-speed chainring

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Shimano 11/12-speed chainrings

ALUGEAR AERO Outer Chainring Shimano 12-speed 48 50 52 54 56T Black

€115.00

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Complete Alugear Shimano 12-speed kit – large chainring, small chainring, aero cover and CNC-machined 7075-T6 bolts.

Alugear round inner chainring for Shimano 12-speed cranksets – compatible with Ultegra and Dura-Ace 110 BCD 4-bolt.

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-€8.10

Shimano 11/12-speed chainrings

Alugear Aero Chainring and Cover Kit for Shimano 12-speed – 50/34, 52/36, 54/40

~~€208.00~~ €199.90

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ALUGEAR AERO Cover – for Shimano R8000 / R7100 / R8100 / R8100P / R9200 / R9200P – Black Red Blue

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-€5.00

Shimano 11/12-speed chainrings

Cover Shimano for Alugear chainrings

~~€69.90~~ €64.90

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ALUGEAR 1x12 Shimano 110x4 Single Chainring – up to 58T for TT and Triathlon

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1x chainrings

Round 1-speed for 12sp 110 BCD 4b Shimano Asymmetric Road

~~€95.00~~ €90.25

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Image of Rotor NOQ 11-12v 34t front view (Rotor image)

Image of Rotor NOQ 11-12v 50T rear side (Rotor image)

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Shimano 11/12-speed chainrings

Rotor NOQ 4 arm chainring 11-12S Shimano 34,36,39,42,44,46,50,52,53,54T

~~€120.00~~ €102.00

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Chainring kit including: inner chainring, outer chainring, one set of covers compatible with R8100/9200 crankset

Example of the Rotor chainring kit on a 8150 crankset with (53/39 chainrings) zoom in inner chainring

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Shimano 11/12-speed chainrings

Rotor R8100-9200 NOQ chainring kit with covers

~~€222.90~~ €189.47

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The set includes 4 covers, 4 bolts, 2 chainrings

Example of installation on a Shimano Ultegra R8100 crankset with Rotor 54/42 chainrings (NOQ)

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Shimano 11/12-speed chainrings

Rotor R8100-9200 NOQ aero chainring kit with covers 54/42 55/42 56/44 58/44

~~€245.90~~ €196.72

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Rotor single chainring Qrings universal tooth 4 arm chainrings

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1x chainrings

Rotor single chainring Qrings universal tooth 4 arm chainrings 40-42-44-46-48-50-52-54t

€130.00

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Rotor single chainring 58 & 60t for time trial

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1x chainrings

Rotor 58 & 60t NOQ 110*4

~~€140.00~~ €133.00

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Rotor 12s Qrings chainring kit with covers for Shimano R8100-9200 (photo Velo-perso)

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Shimano 11/12-speed chainrings

Rotor R8100-9200 Qrings chainring kit with covers

~~€247.90~~ €210.72

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Rotor 12s Qrings Aero chainring kit with covers for Shimano R8100-9200 (photo Velo-perso)

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Shimano 11/12-speed chainrings

Rotor R8100-9200 Qrings AERO chainring kit with covers

~~€270.90~~ €230.27

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Showing 1-12 of 20 item(s)

Rotor or Alugear on a Shimano crankset?

Rotor remains the broadest option when you want Q-Rings, unusual gearing or multiple chainring styles. Alugear is particularly attractive for modern kits, aero integration and selected gearing combinations on current Shimano cranksets.

"Shimano 12-speed" is not enough to confirm compatibility. Always check the exact crank model and whether a factory power meter is fitted.

Why keep the Shimano crank arms?

If crank length, bottom bracket and any existing power meter already suit the rider, replacing only the chainrings is often more rational and less expensive than changing the complete crankset.

Explore 1x conversions → Explore Alugear →

FAQ – Rotor Chainrings for Shimano 12-Speed Cranksets

Can I use non-Shimano chainrings on my Shimano crankset?

Yes, with the Rotor 12-11v chainring range, you can upgrade your Shimano crankset and access a wider selection of chainrings, ranging from 46 to 58 teeth for large chainrings and 34 to 44 teeth for small chainrings.

What are the recommended chainring combinations?

For beginners and less-trained cyclists, 50/34 is a great option, especially for mountainous terrain. 52/36 offers a balance between pedaling smoothness and speed. 53/39 is becoming more popular among a wider audience due to 12-speed cassettes maintaining cadence. High-level cyclists prefer 54/39 or 54/42, with professionals sometimes using 55/42. For time trials and triathlon, 56/44 and 58/44 are ideal. Single chainring options range from 40 to 54 teeth, allowing you to convert your Shimano crankset to a 1x setup affordably.

Can I use these Rotor chainrings on my Shimano 11-speed crankset?

Yes, these chainrings are retro-compatible with Shimano 11-speed cranksets.

Is installation easy?

Yes, installation is straightforward. You only need a torque wrench set to 7-8Nm to tighten the chainring bolts. In some cases, you may need to use the provided spacer on the Shimano crankset axle to maintain the same chainline as the original chainrings.

What do Rotor Qrings add to my Shimano crankset?

Rotor Qrings reduce the dead spot in your pedal stroke. For example, a 53T oval chainring behaves like a 50T chainring at the dead spot, making it easier to pass through this point.

Are Rotor Qrings adjustable?

No, Qrings are not adjustable when installed on a Shimano 12-speed crankset. However, they are adjustable if mounted on a Rotor 4-arm spider. For more flexibility in adjustments, it's better to use Rotor chainrings with a Rotor crankset.

Can I convert my Shimano crankset to a 1x setup?

Yes, Rotor offers single chainrings ranging from 40 to 54 teeth, enabling an easy and affordable conversion of your Shimano crankset to a 1x setup, perfect for gravel, cyclocross, and triathlon.