Brake discs TRW or R1 Concepts

R1 Concepts Brake discs

I have used rotors from R1 Concepts for over 15 years, on vehicles ranging from a Dodge Caravan, Chevy Trailblazer, to multiple BMWs and have never had an issue. They’re high quality and good price and I highly recommend them.

Pros: high quality, good price
Vehicle: BMW
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R1 Concepts Brake discs
b___o___n___g
  • Braking:
  • Noise:
Rating 5.0

Its been just under a week after installing R1 Concept's Geomet drilled/slotted rotors and ceramic pads, I am impressed. Extremely quiet and smooth ride but once they're hot, they get aggressive.

Pros: quiet and smooth ride
Cons: get aggressive when hot
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R1 Concepts Brake discs
Sarionum
  • Braking:
Rating 5.0

I bought R1 Concepts front rotors for my Lexus IS250 at 85k miles. My car sits at 143k miles 5 years later and they have been the BEST rotors i have ever used. I chose their Geomet coating, and they are so rust resistant it is ridiculous. I have zero rust on the veins or hub of my brakes at all after all this time. I have used Powerstop rotors in the past on numerous vehicles, but I find the zinc coating will always rust after a few years. The R1 Concepts geomet coating is the best in my experience.

Pros: best rotors, rust resistant
Vehicle: Lexus
Mileage: 58000 km
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R1 Concepts Brake discs

I have R1Concepts Geo-Carbon series rotors (2nd vehicle I’ve used them on), absolutely no complaints from my Giulia. I’m rocking them with Porterfield R4-S pads and the bite in dry is very nice and feels the same in wet.

Pros: nice bite in dry/wet
Cons: none
Vehicle: Alfa Romeo Giulia
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R1 Concepts Brake discs

I just installed front axle drilled and slotted rotors, and new pads, all from R1 Concepts, and total cost shipped (Amazon) was $56. Tax, delivery, shims, everything but silicone grease.

Pros: low cost, easy install
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TRW Brake discs

Rotors for my 25 year old car with a discount cost like 50 eur per set and they not the worst ones, but something known like TRW.

Pros: known brand, decent quality for price
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TRW Brake discs
prettyhatemachina
  • Braking:
  • Vibration:
Rating 1.0

On the way back it started shuttering bad while breaking, especially down hill. I took it back to the place that did the brakes and they said front rotors were overheated. The parts are TRW (pads and rotors).

Cons: shuttering bad, overheated
Vehicle: Ford Transit
Mileage: 3000 km
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Other comparisons

Which brake discs to choose — TRW or R1 Concepts?

If choosing brake discs across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare brake discs across these categories:

Comparison of brake discs TRW and R1 Concepts
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which brake discs are better — R1 Concepts or TRW?

In March 2026 on PartReview, brake discs R1 Concepts were overall better than TRW.

  1. TRW received a PR Score of 58 out of 100, and R1 Concepts scored 89 points.
  2. TRW ranked 20 in the overall ranking, and R1 Concepts ranked 6.
  3. The average rating is higher for R1 Concepts (4.3) than for TRW (3.2).
  4. Brake discs R1 Concepts have better feature ratings than TRW:
    • Braking - owners believe, that this property for R1 Concepts is better than TRW.
    • Vibration - drivers claim, that this property for R1 Concepts is outperforms TRW.
    • Noise - reviews suggest, that this property for TRW is preferred to R1 Concepts.

Which brake discs are more popular — TRW or R1 Concepts?

In March 2026 on PartReview, brake discs R1 Concepts were overall more popular than TRW.

By vote balance, brake discs R1 Concepts surpassed TRW:

  • For TRW, the ratio of positive (20) to negative (14) votes is 6 votes.
  • For R1 Concepts, the ratio of positive (159) to negative (18) votes is 141 vote.

By number of reviews, brake discs R1 Concepts surpassed TRW:

Which brake discs do car owners prefer — TRW or R1 Concepts?

In March 2026, according to PartReview, brake discs R1 Concepts led more car-specific ratings than TRW:

R1 Concepts are chosen by owners of cars such as: Ford Focus, and others.

Brake discs TRW have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

Other comparisons of brake discs

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of brake discs TRW with: Zimmermann, POWER STOP, Brembo, Centric, STOPTECH, OEM Volkswagen, EBC, Raybestos, ATE, Bosch.

Also available: comparisons of brake discs R1 Concepts with: Zimmermann, POWER STOP, Brembo, Centric, STOPTECH, OEM Volkswagen, EBC, Raybestos, ATE, Bosch.

You can also see who is better among other brake discs manufacturers: Zimmermann or POWER STOP, Brembo or Zimmermann, Brembo or POWER STOP, Zimmermann or Centric, Zimmermann or STOPTECH.

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