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Alchemy's All-New Arktos - One Frame for Three Travel Options with 29-inch and Mixed-Wheel Sizes

Alchemy Bikes, known for their exclusive patented Sine Suspension system, introduces their new carbon Arktos mountain bike. The Arktos is designed to allow for three travel configurations and two wheel sizes (29-inch and mixed-wheel “mullet” 29-/27.5-inch compatibility) with one frame. It also features modernized geometry with low standover to improve maneuverability and utilizes dual water-bottle mounts to support those long days in the saddle.

Alchemy Bikes’ philosophy is based on the relentless pursuit of perfection. The new Arktos has followed that path. “This bike has been in development for over two years,” says Alchemy founder, Ryan Cannizzaro. “With multiple travel and wheel size options, the Arktos is truly one of the most versatile mountain bikes ever produced.”

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Alchemy’s Patented Sine Full-Suspension System

The new Arktos features famed designer David Earle’s patented dual-linkage suspension platform called “Sine”(deriving from the shock rate, which resembles a sine wave when graphed). The design creates suspension that is regressive through the first part of the travel to absorb small bumps and provide climbing traction. It is progressive in the middle to avoid wallowing on big hits or in hard, fast corners, and is regressive again in the last 15 percent of the stroke so the bike can use all of its rear-wheel travel.

Todd Renwick and Evan Geankoplis

“We have made big improvements to the new Arktos, culminating in what we feel is one of the best riding mountain bikes to date,” said Alchemy Engineer Matt Maczuzak. “We are now on our 3rd refinement of our patented Sine Suspension system and the ride-quality for both climbing and descending continues to improve. Alchemy racers, Evan Geankoplis and Todd Renwick will be competing on the Arktos in 2021. From professional racers to enthusiasts, we think you’re going to love this ride.”

Specifications, Pricing and Availability:

Alchemy Arktos 150/135 29

Alchemy Arktos 29 150/135

The do-it-all bike designed for everything and more, the mid-travel Arktos 29 features 150mm front travel and 135mm rear travel. Using Alchemy’s exclusive Sine Suspension system, the all-new design features dual water-bottle mounts, super-low standover and updated geometry. It is a true trail slayer.

Alchemy Arktos 130/120 29

Alchemy Arktos 130/120 29

The perfect lightweight trail bike, the all-new short-travel Arktos 29 owns the new downcountry category. Equipped with 130mm front and 120mm rear travel, it’s capable of hitting jaw-dropping descents, while adding a little fun in the mix. Featuring dual-Fox Factory suspension, dual water-bottle mounts, super-low standover and modern geometry.

Alchemy Arktos 170/150 29

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The all-new long-travel Arktos 29 is ready to attack any trail or terrain, the rougher the better! Equipped with 170mm of travel up front and 150mm in the rear, it’s designed to be efficient and responsive while climbing, but provide unrivaled downhill capabilities. This is our take on a modern enduro bike.

Arktos 150/130 and 170/150 29/27.5

Arktos 150/130 29 shown


The all-new Arktos 29-27.5 is a true trail slayer. Combining 150mm of front travel with 135mm of rear travel, OR 170mm/150mm, the mixed wheels provide the confidence at speed of a 29er with the handling characteristics and maneuverability of a 27.5-inch bike. The design features dual water-bottle mounts, super-low standover and updated geometry.

Alchemy Bikes is taking pre-orders for the Arktos now, at alchemybicycles.com with bikes available in May.

Overview

  • Starting at $5499
  • Full carbon composite frame with internally guided cable routing
  • 29-inch and mixed-wheel 29-/27.5-inch options available
  • 130F / 120R (29er only)
  • 150F / 135R (29er & Mixed wheel)
  • 170F / 150R (29er & Mixed wheel)
  • Build kits include: SRAM GX Eagle, Shimano XT, SRAM X01 Eagle
  • Color options include: Charcoal/Sunburst, Gray/Light Gray, Sand/Burnt Orange
  • Lifetime frame warranty

Geometry

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Team rider Todd Renwick


View key specs, compare bikes, and rate the 2021 Arktos in the Vital MTB Product Guide.

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