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Arktos 29 ST

Carbon // 29" // 120MM rear // 140MM front // Starting at $2999
 

“Incredibly smooth and controlled” bike Magazine USA
The Arktos 29 ST (for short travel) is the younger brother of the Arktos 29, and like younger siblings, it’s shorter, quicker and more playful than its elders. Where the Arktos 29 was designed to crush fast, open, super techy EWS tracks, the Arktos 29 ST is capable of hitting the same bone-tingling descents, but adds a little fun in the mix. It turns quicker and changes directions faster on those tight switchbacks, but still has that slack geometry to keep it stable at speeds. It’s the everyday bike for hitting every track.

Note: Wheelset has been upgraded on all models to Industry Nine Enduro S Hydra. See spec chart below for full specifications.

Frameset Features

Exclusive Patented Sine Suspension System

The backbone of the Arktos 29 ST is the Sine Suspension System. Sine is what makes the bike climb like a mountain goat and descend like a DH rig. The Sine name derives from the way the shock rate, when graphed, resembles a sine wave. With Sine, there is regression through the first part of the travel to absorb small bumps and provide climbing traction. In the middle of the travel, there is progression to avoid wallowing on big hits or in hard, fast corners. At the end, there is slight regression again to enable full use of rear wheel travel.

Learn about Sine Suspension

The Stiffness You Need… Delivered

The backbone of the Arktos 29 ST is the Sine Suspension System. Sine is what makes the bike climb like a mountain goat and descend like a DH rig. The Sine name derives from the way the shock rate, when graphed, resembles a sine wave. With Sine, there is regression through the first part of the travel to absorb small bumps and provide climbing traction. In the middle of the travel, there is progression to avoid wallowing on big hits or in hard, fast corners. At the end, there is slight regression again to enable full use of rear wheel travel.

A Short Travel Trail Slayer

It’s quick, it’s playful, it’s capable…it’s everything you need in a modern-geometry, short-travel 29er. Oh, and what a trail slayer in stock form. Fitted with Fox Factory suspension in all complete models, the spec package is ready to march out of the garage and handle anything you can throw at it.

 

See How Easy It Is To Assemble Your New Mountain Bike

 

What People Are Saying About Alchemy

"As of today, I'm officially a huge fan of Alchemy. The craftsmanship, quality, attention to detail, etc. of their custom bicycle frames seems to just be on another level." -Stephen
“I ordered a Arktos ST and I couldn’t be happier with it. The bike rides great. The fork and shock combination make the bike climb as well as any bike I’ve ridden. Fit and finish are as good as all the top high end brands I’ve looked at.” -Casey
"I have two Arktos’. Just took the new 29 on its maiden ride and I have to say I was more than surprised... it climbs like a goat and goes downhill like that same goat being chase by a lion. Mmmm...wow!" -Brian

Geometry


  S M L XL
140mm Fork | 44mm Offset Fork
Seat Tube Length 410 450 483 518
Effective Top Tube 578 608 627 663
Head Tube Length 100 110 125 140
Head Tube Angle 66.1 66.1 66.1 66.1
Frame Stack 619 628 642 655
Frame Reach 421 447 454 485
Seat Tube Angle 75.5 75.5 75.5 75.5
Chain Stay Length 436 436 436 436
Bottom Bracket Drop 41 41 41 41
Bottom Bracket Height 336 336 336 336
Wheelbase 1155 1175 1199 1236
Standover 788 790 798 826

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

Frame Geometry
 
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

SRAM NX Eagle SRAM NX Eagle+ SRAM GX Eagle Shimano XT 12-Speed SRAM X01 Eagle Shimano XTR 12-Speed
Price $4,899 $3,899 $5,199 $4,199 $5,399 $4,399 $6,099 $5,099 $6,699 $5,699 $9,499 $8.499
Fork RockShox Pike Select RC 140mm 15mm DVO Diamond D1 29 140mm 15mm 44mm Fox 36 29 Factory Grip 2 140mm Boost 15mm Fox 36 29 Factory Grip 2 140mm Boost 15mm Fox 36 29 Factory Grip 2 140mm Boost 15mm Fox 36 29 Factory Grip 2 140mm Boost 15mm
Shock Fox DPX2 Factory Kashima EVOL LV 3-Position Adjust DVO Topaz T3 Compression Rebound Adust Fox DPX2 Factory Kashima EVOL LV 3-Position Adjust Fox DPX2 Factory Kashima EVOL LV 3-Position Adjust Fox DPX2 Factory Kashima EVOL LV 3-Position Adjust Fox DPX2 Factory Kashima EVOL LV 3-Position Adjust
Handlebar Race Face Aeffect R 35x780mm Race Face Aeffect R 35x780mm Race Face Aeffect R 35x780mm Race Face Aeffect R 35x780mm Race Face Turbine R 35x780mm ENVE M6 780mm 7.5 Degree 31.8mm
Stem Race Face Aeffect R 50mm Race Face Aeffect R 50mm Race Face Aeffect R 50mm Race Face Aeffect R 50mm Race Face Turbine R 50mm ENVE M6 55mm 31.8mm
Seat Post X-Fusion Manic 150mm X-Fusion Manic 150mm X-Fusion Manic 150mm Fox Factory 150mm Fox Factory 150mm Fox Factory 150mm
Grips DMR Deathgrip Thin DMR Deathgrip Thin DMR Deathgrip Thin DMR Deathgrip Thin DMR Deathgrip Thin DMR Deathgrip Thin
Headset Top Cane Creek 40-Series IS42 Cane Creek 40-Series IS42 Cane Creek 40-Series IS42 Cane Creek 40-Series IS42 Cane Creek 40-Series IS42 Cane Creek 40-Series IS42
Headset Bottom Cane Creek 40-Series IS52 Cane Creek 40-Series IS52 Cane Creek 40-Series IS52 Cane Creek 40-Series IS52 Cane Creek 40-Series IS52 Cane Creek 40-Series IS52
Spacer Cane Creek 40-Series 5MM Spacer Cane Creek 40-Series 5MM Spacer Cane Creek 40-Series 5MM Spacer Cane Creek 40-Series 5MM Spacer Cane Creek 40-Series 5MM Spacer Cane Creek 40-Series 5MM Spacer
Saddle WTB Volt WTB Volt WTB Volt Race WTB Volt Race WTB Volt Race WTB Volt Race
Shifters SRAM SL NX Eagle Trigger SRAM SL NX Eagle Trigger SRAM GX Eagle Shimano XT 12 Speed SRAM X01 Eagle Shimano XTR 12 Speed
Rear Derailleur SRAM SL NX Eagle SRAM SL NX Eagle SRAM GX Eagle Shimano XT 12-Spd SRAM X01 Eagle Shimano XTR 12-Spd
Cassette SRAM NX Eagle 11-50T SRAM NX Eagle 11-50T SRAM GX 1275 Eagle 10-50T Shimano XT 12-Spd 10-51t SRAM XG 1275 EAGLE 10-50T Shimano XTR 12-Spd 11-51t
Cranks SRAM Descendant 175mm SRAM Descendant 175mm SRAM GX EAGLE DUB 170mm Shimano XT 12-Speed 170mm SRAM X01 EAGLE DUB 175mm Shimano XTR 170mm
Bottom Bracket SRAM DUB BSA MTB73 SB+ SRAM DUB BSA MTB73 SB+ SRAM BB DUB BSA MTB73 SB+ Shimano XT Threaded SRAM DUB BSA MTB73 SB+ Shimano XTR Threaded
Chain SRAM NX Eagle SRAM NX Eagle SRAM GX Eagle 12 Spd Shimano XT 12 Spd SRAM GX Eagle 12 Speed Shimano XTR 12 Spd
Brakes SRAM Guide T SRAM Guide T Shimano XT Shimano XT Shimano XT Shimano XTR Trail
Rotors SRAM Centerline 180mm SRAM Centerline 180mm Shimano 180mm Center Lock Shimano 180mm Center Lock Shimano 180mm Center Lock Shimano XTR M900 180mm Center Lock
Front Wheel Industry Nine 29 Enduro S Hydra 15/110mm Industry Nine 29 Enduro S Hydra 15/110mm Industry Nine 29 Enduro S Hydra 15/110mm Industry Nine 29 Enduro S Hydra 15/110mm Industry Nine 29 Enduro S Hydra 15/110mm ENVE M630 or M730 15/110mm I9 Hydra
Rear Wheel Industry Nine 29 Enduro S Hydra 12/157mm Boost+ Industry Nine 29 Enduro S Hydra 12/157mm Boost+ Industry Nine 29 Enduro S Hydra 12/157mm Boost+ Industry Nine 29 Enduro S Hydra 12/157mm Boost+ Industry Nine 29 Enduro S Hydra 12/157mm Boost+ ENVE M630 / M730 12/157mm I9 Hydra Boost+ Microspline
Tires Maxxis Minion DHF 29×2.3, Maxxis Minion DHR 29×2.3 Maxxis Minion DHF 29×2.3, Maxxis Minion DHR 29×2.3 Maxxis Minion DHF 29×2.3, Maxxis Minion DHR 29×2.3 Maxxis Minion DHF 29×2.3, Maxxis Minion DHR 29×2.3 Maxxis Minion DHF 29×2.3, Maxxis Minion DHR 29×2.3 Maxxis Minion DHF 29×2.3, Maxxis Minion DHR 29×2.3

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

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