2020 Alchemy Bicycles Arktos 27.5 Base S

Build

650B/27.5 in × 2.4 in

Insights

Average stack and reach vs trend of full-suspension trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
589mm
Reach
401mm
Stack to Reach Ratio
1.47:1
Seat Tube Length, C-T
420mm
Top Tube Length, Effective/Horizontal HT Top
585mm
Head Tube Angle
65.5deg
Effective Seat Tube Angle, Seat Tube Top
73.5deg
Head Tube Length
100mm
Bottom Bracket Drop
10mm
Bottom Bracket Height
343mm
Chainstay Length
438mm
Chainstay Length Horizontal
437.9mm
Front-Center
723.2mm
Front-Center Horizontal
723.1mm
Wheelbase
1161mm
Fork Offset/Rake
39mm
Trail
118mm
very high
Mechanical Trail
107.4mm
Wheel Flop
44.5mm
Standover Height
756mm
Tire to Pedal Spindle Distance
With 170 mm cranks
200.2mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
173mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.4in
Tire Outer Diameter
705.9mm
Bike Length with Tires
1866.9mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
170mm
Rear Travel
Unknown
Suspension Sag
Unknown
Frame Material
Carbon/Composite
Fork Material
N/A
Brake Type
Disc

Published Sizing Recommendations

Height
5 ft 1 in
to
5 ft 5 in
Source:https://alchemybicycles.com/product/arktos-275/