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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.

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
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

Fork Fox 34 Factory Kashima 120mm Boost 15mm
Shock N/A
Handlebar ENVE M6 780mm 7.5 Degree 31.8mm
Stem ENVE M6 55mm 31.8mm
Seat Post Fox Transfer Factory w Lever
Grips Ergon GA 20 Black
Headset Top Cane Creek 40-Series IS42 Short Cover – Top – Black
Headset Bottom Cane Creek 40-Series IS52 – Bottom – Black
Spacer Cane Creek 40-Series 5MM Spacer – Black
Saddle WTB Volt Race 142X165
Shifters Shimano XTR M9100 12 Speed
Rear Derailleur Shimano XTR M9120, XTR SGS, 12-SPEED
Cassette Shimano XTR M9100 12-Speed 11-51t
Cranks Shimano XTR FC-M9100-1 32 T 175mm
Bottom Bracket Shimano XTR Threaded
Chain Shimano XTR 12 Speed
Brakes Shimano XTR M9120 Trail Hydraulic
Rotors Shimano XTR M900 180mm Center Lock Ice Tech Rotor
Front Wheel ENVE M630 15/110mm
Rear Wheel ENVE M630 12/157 mm TA DT 240 Superboost Shimano Driver
Tires Maxxis Minion DHF 29×2.4 DC EXO TR, Maxxis Minion DHR 29×2.5 DC EXO TR
Fork Fox 34 Factory Kashima 120mm Boost 15mm
Shock N/A
Handlebar Race Face Turbine R 780mm, 20mm, 35mm
Stem Race Face Turbine R 50mm, 35mm, 0 degree
Seat Post Fox Transfer Factory w Lever
Grips Ergon GA 20 Black
Headset Top Cane Creek 40-Series IS42 Short Cover – Top – Black
Headset Bottom Cane Creek 40-Series IS52 – Bottom – Black
Spacer Cane Creek 40-Series 5MM Spacer – Black
Saddle WTB Volt Race 142X165
Shifters Shimano XT SL-M8000-Rapidfire PlusShimano XT SL-M8000-Rapidfire Plus
Rear Derailleur Shimano XT 11-speed Rear RD-M8000 GS Shadow+
Cassette Shimano XT M8000 11-Speed 11-46t
Cranks Shimano XT FC-M8000-1 32 T 175mm
Bottom Bracket Shimano XT Threaded
Chain Shimano XT 11 Speed
Brakes Shimano XT M8000 Hydraulic
Rotors Shimano 180mm Center Lock Ice Tech Rotor
Front Wheel DT Swiss M 1700 SPLINE 29 – 30 mm CL 15/110mm
Rear Wheel DT Swiss M 1700 SPLINE 29 – 30 mm CL 12/157 mm TA Boost Plus Shimano Driver
Tires Maxxis Minion DHF 29×2.4 DC EXO TR, Maxxis Minion DHR 29×2.5 DC EXO TR
Fork Fox 34 Factory Kashima 120mm Boost 15mm
Shock N/A
Handlebar Race Face Turbine R 780mm, 20mm, 35mm
Stem Race Face Turbine R 50mm, 35mm, 0 degree
Seat Post Fox Transfer Factory w Lever
Grips Ergon GA 20 Black
Headset Top Cane Creek 40-Series IS42 Short Cover – Top – Black
Headset Bottom Cane Creek 40-Series IS52 – Bottom – Black
Spacer Cane Creek 40-Series 5MM Spacer – Black
Saddle WTB Volt Comp 142×265
Shifters SRAM X01 Eagle SL X01 EAGLE TRIGGER BLK
Rear Derailleur SRAM X01 Eagle RD X01 EAGLE BLK
Cassette SRAM XG 1275 EAGLE 10-50T
Cranks SRAM X01 EAGLE FC X01 EAGLE SB+ DUB 175 BLK 32
Bottom Bracket SRAM DUB BSA MTB73 SB+
Chain SRAM GX Eagle 12 Speed
Brakes Shimano XT M8000 Hydraulic
Rotors SShimano 180mm Center Lock Ice Tech Rotor
Front Wheel DT Swiss M 1700 SPLINE 29 – 30 mm CL 15/110mm
Rear Wheel DT Swiss M 1700 SPLINE 29 – 30 mm CL 12/157 mm TA Boost Plus
Tires Maxxis Minion DHF 29×2.4 DC EXO TR, Maxxis Minion DHR 29×2.5 DC EXO TR
Fork Fox 34 Factory Kashima 120mm Boost 15mm
Shock N/A
Handlebar Race Face Aeffect R 35×780 20mm Rise
Stem Race Face Aeffect R 50mm 0 Degree
Seat Post X-Fusion Manic 150mm 31.6mm with Trigger Remote
Grips Ergon GA 20 Black
Headset Top Cane Creek 40-Series IS42 Short Cover – Top – Black
Headset Bottom Cane Creek 40-Series IS52 – Bottom – Black
Spacer Cane Creek 40-Series 5MM Spacer – Black
Saddle WTB Volt Comp 142×265
Shifters SRAM GX Eagle
Rear Derailleur SRAM GX Eagle
Cassette SRAM GX 1275 Eagle 10-50T
Cranks SRAM GX EAGLE FC X01 EAGLE SB+ DUB 175 BLK 32
Bottom Bracket SRAM BB DUB BSA MTB73 SB+
Chain SRAM GX Eagle 12 SPD
Brakes Shimano XT M8000 Hydraulic
Rotors Shimano 180mm Center Lock Ice Tech Rotor
Front Wheel DT Swiss M 1700 SPLINE 29 – 30 mm CL 15/110mm
Rear Wheel DT Swiss M 1700 SPLINE 29 – 30 mm CL 12/157 mm TA Boost Plus
Tires Maxxis Minion DHF 29×2.4 DC EXO TR, Maxxis Minion DHR 29×2.5 DC EXO TR

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