Alchemy Arktos

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Release Year
Wheel Size
Number of Gears
30.4, 31.4, 33.0 lbs
Brake Type
Frame Material

Summary of Reviews

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

15 reasons to buy

  • The Arktos is commended for its versatility; performing well on enduro trails, downhill runs, and longer/cross-country runs.
  • Alchemy's Arktos is available in 120, 135 and 150mm rear-shock travel configurations. Each is available in 3 builds; SRAM GX, Shimano XT or SRAM X01.
  • The Arktos is available with two 29" wheels or in a mullet (MX) setup, with a front 29" and rear 27.5" wheel.
  • On the Arktos 150 MX build, a reviewer describes shifting on SRAM’s Eagle XO1 drivetrain as 'flawless'.
  • Amateurs and experts are impressed by the Arktos's performance as a climber. Its efficiency up hills is lauded.
  • Componentry is rarely faulted for the Arktos. Even at the lowest spec, reviewers say the SRAM GX build is trouble-free.
  • ‘Snappy’ is a term that comes up again and again, when riders described the Arktos's sharp responsiveness on technical descents and through turns.
  • Three sizes: M, L and XL, provide a suitable fit for riders of all sizes.
  • The customized SINE rear suspension is characterized as being easy to tune and rarely requiring adjustment.
  • Fox Transfer dropper seat-posts are appreciated for their smooth action.
  • The Arktos receives compliments for being stripped-back and uncluttered.
  • Maxxis Minion, Assegai or Dissector tires come as stock, delivering a grippy ride.
  • Internal cable routing keeps the Arktos's frame neat.
  • The Arktos's full-carbon frame is loved for its light weight.
  • The Arktos now features integrated chainstay protection, guarding the frame against chain-slap.

2 reasons not to buy

  • Some builds feature SRAM G2 R brakes. More than one reviewer is unimpressed by their stopping power.
  • The Arktos isn’t cheap. But as a performance machine, it is generally agreed by reviewers that you get value for what you pay for.

Bottom line

If compromise is not your thing, then the Alchemy Arktos is probably right up your alley. Componentry is rarely faulted by any reviewers and user videos serve as testimonials to the high-speed euphoria delivered by this bike. Testers are pleased with its performance on climbs and over longer backcountry rides. If you are after a precision-engineered and beautifully presented machine – you will most likely be delighted by the Arktos. Reviewers stress that the Arktos is great value for a high-quality rig, but even so, it is not aimed at riders on a tight budget.

Expert Reviews

89/100 based on 7 rated expert reviews
Dawn Patrol MTB

Alchemy Arktos 135 Review

This was one of my favorite bikes we tested. It’s fun and capable on all sorts of trails but truly shines on straight-line chunky descents. For sheer adaptability and chunky fun, the Alchemy 135 is hard to beat.

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2021 Alchemy Arktos 150 X01 29 Bike

The updated Arktos 150 will appeal to a far more diverse group of riders. It can serve as a long-travel trail bike. It can also be an enduro race bike for those who favor a sporty, precise ride.

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2020 Alchemy Arktos 29 X01 Eagle Bike

Alchemy Bicycles is clearly a brand that goes above and beyond… The exclusive Sine Suspension System works extremely well in every situation. It is active enough for technical climbing, supportive and playful on modest terrain, and uses its travel efficiently when trails get faster and rougher.

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[Tested] Alchemy Arktos 150 MX

The geometry, frame construction, craftsmanship and handling are all very much top notch. This bike truly excelled once it was up to speed. It rewards heavy-handed input from an assertive rider. Climbing: 10/10!

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The Beta Tests: Alchemy Arktos 135

Today’s Arktos, which was reinvented in early 2021, offers a full range of ride experiences. The Arktos’s mixture of support and sensitivity is what every other do-it-all bike should be aiming for. Remarkable small-bump compliance, confidence-inspiring lateral stiffness. There was a nagging amount of bob while climbing.

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User Ratings

100/100 based on 9 ratings
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Bike Comparison

Alchemy Arktos in comparison to averages