2020 Alchemy Bicycles Arktos 29 ST Base
- Category
- Full-suspension Trail MTB
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Suspension
- 140mm fork travel
- Features
- Disc brake
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 619mm | 628mm | 642mm | 655mm |
Reach | 421mm | 447mm | 454mm | 485mm |
Stack to Reach Ratio | 1.47:1 | 1.4:1 | 1.41:1 | 1.35:1 |
Seat Tube Length, C-T | 410mm | 450mm | 483mm | 518mm |
Top Tube Length, Effective/Horizontal HT Top | 578mm | 608mm | 627mm | 663mm |
Head Tube Angle | 66.1deg | 66.1deg | 66.1deg | 66.1deg |
Effective Seat Tube Angle, Seat Tube Top | 75.5deg | 75.5deg | 75.5deg | 75.5deg |
Head Tube Length | 100mm | 110mm | 125mm | 140mm |
Bottom Bracket Drop | 41mm | 41mm | 41mm | 41mm |
Bottom Bracket Height | 328.4mm | 328.4mm | 328.4mm | 328.4mm |
Chainstay Length | 436mm | 436mm | 436mm | 436mm |
Chainstay Length Horizontal | 434.1mm | 434.1mm | 434.1mm | 434.1mm |
Front-Center | 722.1mm | 742.1mm | 766mm | 803mm |
Front-Center Horizontal | 720.9mm | 740.9mm | 764.9mm | 801.9mm |
Wheelbase | 1155mm | 1175mm | 1199mm | 1236mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm |
Trail | 115.6mm very high | 115.6mm very high | 115.6mm very high | 115.6mm very high |
Mechanical Trail | 105.7mm | 105.7mm | 105.7mm | 105.7mm |
Wheel Flop | 42.8mm | 42.8mm | 42.8mm | 42.8mm |
Standover Height | 788mm | 790mm | 798mm | 826mm |
Tire to Pedal Spindle | 182.7mm 170 mm cranks | 202.7mm 170 mm cranks | 226.6mm 170 mm cranks | 263.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 158.4mm 170 mm cranks | 158.4mm 170 mm cranks | 158.4mm 170 mm cranks | 158.4mm 170 mm cranks |
Base Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.3in | 2.3in | 2.3in | 2.3in |
Tire Outer Diameter | 738.8mm | 738.8mm | 738.8mm | 738.8mm |
Bike Length with Tires | 1893.8mm | 1913.8mm | 1937.8mm | 1974.8mm |
Published Sizing Recommendations
Height | 5 ft 1 in to 5 ft 5 in | 5 ft 5 in to 5 ft 9 in | 5 ft 9 in to 6 ft 1 in | 6 ft 1 in to 6 ft 5 in |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension Trail MTBSource:https://alchemybicycles.com/product/arktos-29-st/