2021 Polygon Bikes Siskiu T7 M(29″)

Build

700C/29 in × 2.4 in

Insights

Somewhat aggressive stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Polygon Bikes Siskiu
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
607.6mm
Reach
460mm
Stack to Reach Ratio
1.32:1
Seat Tube Length, Unknown
400mm
Top Tube Length, Effective/Horizontal HT Top
605.9mm
Head Tube Angle
65.5deg
Effective Seat Tube Angle, Unknown
76.5deg
Head Tube Length
90mm
Bottom Bracket Drop
39mm
Bottom Bracket Height
333mm
Chainstay Length
430mm
Chainstay Length Horizontal
428.2mm
Front-Center
766.3mm
Front-Center Horizontal
765.3mm
Wheelbase
1193.5mm
Fork Offset/Rake
51mm
Trail
113.5mm
very high
Mechanical Trail
103.3mm
Wheel Flop
42.8mm
Standover Height
676.6mm
Tire to Pedal Spindle Distance
With 170 mm cranks
224.3mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
163mm

T7 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.4in
Tire Outer Diameter
743.9mm
Bike Length with Tires
1937.4mm
Crank Length
170mm
Handlebar Width
780mm
Stem Length
35mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
150mm
Rear Travel
140mm
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Unknown
Brake Type
Disc

Published Sizing Recommendations

Height
168 cm
to
176 cm
Source:https://www.bicyclesonline.com.au/2021-polygon-siskiu-t7-dual-suspension-mountain-bi