2021 Polygon Bikes Siskiu T7 L (29″)

Build

700C/29 in × 2.4 in

Insights

Average 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
621.2mm
Reach
480mm
Stack to Reach Ratio
1.29:1
Seat Tube Length, Unknown
415mm
Top Tube Length, Effective/Horizontal HT Top
629.1mm
Head Tube Angle
65.5deg
Effective Seat Tube Angle, Unknown
76.5deg
Head Tube Length
105mm
Bottom Bracket Drop
39mm
Bottom Bracket Height
333mm
Chainstay Length
430mm
Chainstay Length Horizontal
428.2mm
Front-Center
792.4mm
Front-Center Horizontal
791.5mm
Wheelbase
1219.7mm
Fork Offset/Rake
51mm
Trail
113.5mm
very high
Mechanical Trail
103.3mm
Wheel Flop
42.8mm
Standover Height
686.2mm
Tire to Pedal Spindle Distance
With 175 mm cranks
245.5mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
158mm

T7 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.4in
Tire Outer Diameter
743.9mm
Bike Length with Tires
1963.6mm
Crank Length
175mm
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
177 cm
to
185 cm
Source:https://www.bicyclesonline.com.au/2021-polygon-siskiu-t7-dual-suspension-mountain-bi