Argonaut RM3

100/100
BikeRide Score
?
Where to buy
View all prices Show fewer prices
We earn affiliate commission. Learn more
Bike Size Charts

BikeRide finds and shows you the best prices of the bikes you want to buy. Prices constantly change and it’s impossible to compare them all yourself.

We search for prices on over 120 bike retailers to guarantee that we find the lowest prices – to save you time and money.

It’s a promise we stand behind: If you find a lower price on a bike elsewhere, we will sell it to you for 10% less. For example, if you find a bike for $480 that we have listed at $500, we will offer you to buy it for $432 through BikeRide. The bike must be the same color and size, sold in the US and not include the use of a coupon.

If you find a lower price, email us at [email protected] with documentation of the price. We’re committed to making sure that the cost of a bike does not keep you from cycling!

Facts

Gender
Release Year
Brand
Wheel Size
Number of Gears
Gearing Type
Weight
15.1, 15.5, 16.3 lb
Suspension
Brake Type
Frame Material

Summary of Reviews

We have read all expert and user reviews on the Argonaut RM3. In summary, this is what cyclists think.

11 reasons to buy

  • The RM3 is available in two Supernaut builds (SRAM RED, Shimano Dura-Ace), Custom, with bespoke geometry, layup, and component choice, or as a frameset.
  • Testers praise the RM3's combination of “sublime” ride quality, extraordinary handling, and fantastic efficiency.
  • A tester relishes how this bike balances a light, efficient feel on climbs with confidence-inspiring descending and stability at high speeds.
  • Reviewers reckon the RM3’s performance, comfort, and versatility elevate it from an excellent race bike to the best road bike most people will ever ride.
  • Supernaut buyers can choose their gearing, stem length, bar width, seatpost setback, and crank length free of charge.
  • Argonaut works closely with buyers of all builds to ensure their RM3 fits their needs.
  • Experts savor the RM3’s “exceptional” engineering, beautiful design, and stunning finish.
  • The RM3 has clearance for 35mm tires.
  • Argonaut developed the T47 bottom bracket standard used on this bike. The RM3 has a CeramicSpeed BB.
  • Argonaut crafts the frame, fork, and in-house stem in Bend, Oregon.
  • The RM3 comes with an impressive warranty (10 years on frameset, five years on paint, lifetime on in-house wheels). Buyers also enjoy crash-replacement and 30-day refund policies on the frameset.

5 reasons not to buy

  • The RM3 is a pricey proposition. However, it’s not expensive for what it is, and the full Custom frame and build could be considered a bargain in this segment.
  • Delivery times range from weeks on Supernaut builds to months for Custom builds, but this isn’t unusual with such bikes.
  • Though the Argonaut R43 wheels (Supernaut) are very light and perform well, the hookless rim design isn’t to everyone’s liking.
  • A tester laments a rattling cable caused by Argonaut’s failure to install a foam liner.
  • One reviewer deems the stock stem cap disappointingly untidy on a bike at this price point.

Bottom line

Argonaut’s RM3 is a premium carbon road bike available in two mostly standardized Supernaut builds (SRAM RED or Shimano Dura-Ace, both in 13 frame sizes) and in a Custom build, with bespoke geometry, layup, paint, and component choices. Every aspect of this bike impresses experts, from the exquisite design and finish to the impeccable handling, compliant ride, efficiency, and overall comfort. One reviewer is unhappy with key aspects of the R43 wheels’ design, but otherwise, complaints are minor. Overall, experts agree that the Argonaut RM3 isn’t just a great race bike, it’s the ultimate road bike.

Expert Reviews

99/100 based on 3 rated expert reviews
98
Cyclingnews

Custom Craft in Carbon Fibre – Argonaut RM3 Review

Overwhelmingly, the bike is about aspiration, exceptional engineering, idyllic ride quality and stunning aesthetics – to me, it hits those points dead on. In so doing, puts it in a small elite of true fantasy bikes.

Visit full review
100

Argonaut RM3 Review

… removing price for a second, there can be no argument – from me at least – against the fact that the Argonaut RM3 has just replaced its predecessor as the best road bike I’ve yet ridden.

Visit full review
100
Cycling Weekly

Made in the USA: Four of the Best Domestic Carbon Bicycles You Should Know About

The RM3 is an exceptional bike… If I were interested in speed above all else, I would pick the Argonaut. But the handling, build quality, and comfort are all top-notch too.

Visit full review
David Arthur - Just Ride Bikes

It’s Not a Race Bike. It’s Better

Would I buy it? Well, hell yeah! If I had the money… I’d buy it in a heartbeat.

Visit full review

Argonaut RM3 Review: Emotions Crafted in Carbon Fiber

… if you head out the door in search of that elusively blissful and zoned-out feeling of flying across the earth for hours on end, I dare say you’ll find it here.

Visit full review

Bike Awards 2022 | the 7 Best Road and Cyclocross Bikes

The RM3 is a truly exceptional bicycle that sings, as did the RM1 and RM2—each version better than the last. Argonaut is able to create something extraordinary while also elevating their craft. There’s a word for that: Brilliance.

Visit full review

Argonaut RM3 Review – The Ultimate Road Bike but It Comes at a Price

The performance of the bike matches that of brands that dominate the industry and are ridden by the WorldTour professionals, but the craftsmanship and bespoke tailoring that goes into building the RM3 is what truly sets it apart from the rest.

Visit full review

User Ratings

0/100 based on 0 ratings
  • 5 star
    0%
  • 4 star
    0%
  • 3 star
    0%
  • 2 star
    0%
  • 1 star
    0%

Bike Comparison

Argonaut RM3 in comparison to averages

Forum Discussions

Discuss which bike to choose in the forum