2021 Polygon Bikes Siskiu N9 Extra Large (29")

Build

700C/29 in × 2.35 in

Insights

Average stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Design deviates from other sizes of Polygon Bikes Siskiu
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Moto/Klunker/Riser Bar
Category: Flat Bar
vs full-suspension all-mountain/enduro mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
638.8mm
Reach
485mm
Stack to Reach Ratio
1.32:1
Seat Tube Length, C-T
520mm
Top Tube Length, Effective/Horizontal Center
656.2mm
Top Tube Slope
12.4deg
Head Tube Angle
65.5deg
Seat Tube Angle
75deg
Effective Seat Tube Angle, ETT HT Top
69.5deg
Head Tube Length
115mm
Bottom Bracket Drop
33mm
Bottom Bracket Height
337.7mm
Chainstay Length
439.4mm
Chainstay Length Horizontal
438.2mm
Front-Center
817.8mm
Front-Center Horizontal
817.1mm
Wheelbase
1255.3mm
Fork Offset/Rake
51mm
Trail
112.9mm
very high
Mechanical Trail
102.7mm
Wheel Flop
42.6mm
Standover Height
773.7mm
Tire to Pedal Spindle Distance
With 175 mm cranks
272.1mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
162.7mm

N9 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.35in
Tire Outer Diameter
741.4mm
Bike Length with Tires
1996.7mm
Crank Length
175mm
Handlebar Width
780mm
Stem Length
35mm
Suspension Type
Full suspension
Bar Type
Moto/Klunker/Riser Bar
Fork Travel
160mm
Rear Travel
Unknown
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc

Published Sizing Recommendations

Height
6 ft 1 in
to
6 ft 5 in
Source:https://www.bikesonline.com/2021-polygon-siskiu-n9-dual-suspension-mountain-bike