2018 Polygon Bikes Siskiu T7 S (27.5″)

Build

650B/27.5 in × 2.6 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
595.1mm
Reach
410mm
Stack to Reach Ratio
1.45:1
Seat Tube Length, Unknown
395mm
Seat Tube Length, Effective Unknown
74.9mm
Top Tube Length, Effective/Horizontal Center
571mm
Top Tube Slope
22.3deg
Head Tube Angle
66deg
Seat Tube Angle
68.5deg
Head Tube Length
105mm
Bottom Bracket Drop
20mm
Bottom Bracket Height
338mm
Chainstay Length
430mm
Chainstay Length Horizontal
429.5mm
Front-Center
716.6mm
Front-Center Horizontal
716.4mm
Wheelbase
1145.9mm
Fork Offset/Rake
46mm
Trail
109.1mm
very high
Mechanical Trail
99.7mm
Wheel Flop
40.5mm
Standover Height
663.3mm
Tire to Pedal Spindle Distance
With 170 mm cranks
188.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
168mm

T7 Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.6in
Tire Outer Diameter
716.1mm
Bike Length with Tires
1862mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
150mm
Rear Travel
Unknown
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Rim
Source:https://www.polygonbikes.com/product/mountain/siskiu-t7/