2020 Alchemy Bicycles Arkti Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Titanium
Suspension
120mm fork travel
Features
Disc brake
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

S
M
L
XL
Stack
607mm
617mm
626mm
635mm
Reach
405mm
430mm
455mm
485mm
Stack to Reach Ratio
1.5:1
1.43:1
1.38:1
1.31:1
Seat Tube Length, C-T
370mm
420mm
470mm
530mm
Top Tube Length, Effective/Horizontal HT Top
595mm
620mm
640mm
680mm
Top Tube Slope
26.4deg
21.4deg
16.6deg
11.2deg
Head Tube Angle
68deg
68deg
68deg
68deg
Seat Tube Angle
74.5deg
74.5deg
74.5deg
74.5deg
Head Tube Length
95mm
105mm
115mm
125mm
Bottom Bracket Drop
58mm
58mm
58mm
58mm
Bottom Bracket Height
311.4mm
311.4mm
311.4mm
311.4mm
Chainstay Length
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
426.1mm
426.1mm
426.1mm
426.1mm
Front-Center
681.4mm
710.3mm
739.2mm
772.1mm
Front-Center Horizontal
678.9mm
707.9mm
736.9mm
769.9mm
Wheelbase
1105mm
1134mm
1163mm
1196mm
Fork Offset/Rake
44mm
44mm
44mm
44mm
Trail
101.8mm
very high
101.8mm
very high
101.8mm
very high
101.8mm
very high
Mechanical Trail
94.4mm
94.4mm
94.4mm
94.4mm
Wheel Flop
35.4mm
35.4mm
35.4mm
35.4mm
Tire to Pedal Spindle
142mm
170 mm cranks
170.9mm
170 mm cranks
199.8mm
170 mm cranks
232.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
141.4mm
170 mm cranks
141.4mm
170 mm cranks
141.4mm
170 mm cranks
141.4mm
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
1843.8mm
1872.8mm
1901.8mm
1934.8mm

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 Scale
Category Trend
Hardtail Trail MTB
Source:https://alchemybicycles.com/product/arkti/