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2019 Arktos 27.5 Completes $3999. GX or XT (11spd), Medium or Large. Limited Time offer. Order Now >>

Frame-Ark Ti

Handmade in Denver Colorado
With a heritage like Alchemy’s, it should come as no surprise to see a bike like the US-made Ark Ti come to fruition. Alchemy has been producing masterful titanium frames since the company was founded over ten years ago. But the Ark Ti is something special even for a company that prides itself for its titanium. It’s a Swiss Army Knife of a bike, able to switch between 29er and 27.5 plus tires and capable of aggressive trail riding or hitting that jump line you’ve been considering. The Ark Ti used Alchemy’s proprietary titanium tubing that promises a smooth but compliant ride and a durable finish that will look ace for years to come. It’s the once-in-a-lifetime bike that everyone needs to have in their lives.

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Frameset Features

// Beautifully Handmade with 3/2.5 Ti Tubes

Titanium is without a doubt the ultimate material for a hardtail, but the Ark Ti is something special even in the category. Alchemy created its own proprietary US-made 3/2.5 titanium tube set, which has been masterfully welded into one of the best riding off road bikes available. The Colorado-made frame has shaped seat stays and a varying thickness top tube to provide rider comfort and a flared downtube to provide bottom bracket stiffness.

We Make It, You Win

The Ark Ti is made in Denver, Colorado, which allows customers like you full access to a suite of manufacturing and paint capabilities. Want an Ark Ti with slacker head angle? Can do. Custom geometry options are available. Want an Ark Ti painted with the colors of the Colorado flag? No problem. Alchemy offers all of the same options as our Colorado-made road bikes with the new Ark Ti.

// A League of Its Own

If you take a close look at the Ark Ti, you will see the details that put it ahead of the competition. Not only has the geometry been optimized for a modern trail-bike hardtail, but the oversize top and down tubes, the unique tube profiles at the head tube and bottom bracket, the proprietary shapes… all of these features create a comfortable ride that is compliant and responsive, fast and capable. It’s the once-in-a-lifetime bike that everyone needs to have in their lives.

Geometry


  S M L XL
120mm Fork | 44mm Offset Fork
Seat Tube Length 370 420 470 530
Effective Top Tube 595 620 640 680
Head Tube Length 95 105 115 125
Head Tube Angle 68 68 68 68
Frame Stack 607 617 626 635
Frame Reach 405 430 455 485
Seat Tube Angle 74.5 74.5 74.5 74.5
Chain Stay Length 430 430 430 430
Bottom Bracket Drop 58 58 58 58
Bottom Bracket Height 312 312 312 312
Wheelbase 1105 1134 1163 1196

Pricing and specifications subject to change at any time without notice.

Frame Geometry
 
Height Pant Inseam (inches) Size
5 ft. 1 in. – 5 ft. 4 in. 30 Small
5 ft. 5 in. – 5 ft. 8 in. 32 Medium
5 ft. 9 in. – 5 ft. 11 in. 34 Large
≥ 6 ft. 36 Xlarge
Arktos 29 Frame Sizing
S 5’1 – 5’5″
M 5’5″ – 5’9″
L 5’9″ – 6’1″
XL 6’1″ – 6’5″

Specs

Frameset Only.

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Not everyone can drive to Alchemy’s headquarters to pick up a bike, so we made things easy. When you buy a bike from our website, you get free shipping straight to your door.

Two Weeks, Risk-Free

Purchasing your dream ride is a substantial investment, so here’s our promise: If you are not 100% satisfied with your new Alchemy Bicycle, you have two weeks from date of purchase to return it.

No Questions Returns

If at the end of two weeks you are not 100% satisfied with your new bike, call us to arrange a full refund or credit toward another Alchemy.