2021 Polygon Bikes Siskiu D7 L (29″)

Build

700C/29 in × 2.25 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
615.9mm
Reach
465mm
Stack to Reach Ratio
1.32:1
Seat Tube Length, Unknown
487mm
Top Tube Length, Effective/Horizontal Center
624.3mm
Top Tube Slope
14.2deg
Head Tube Angle
67.5deg
Seat Tube Angle
68.7deg
Effective Seat Tube Angle, Unknown
76deg
Head Tube Length
112mm
Bottom Bracket Drop
47mm
Bottom Bracket Height
321.2mm
Chainstay Length
436mm
Chainstay Length Horizontal
433.5mm
Front-Center
757mm
Front-Center Horizontal
755.5mm
Wheelbase
1189mm
Fork Offset/Rake
50.7mm
Trail
97.6mm
very high
Mechanical Trail
90.2mm
Wheel Flop
34.5mm
Standover Height
733mm
Tire to Pedal Spindle Distance
With 170 mm cranks
218.9mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
151.2mm

D7 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.25in
Tire Outer Diameter
736.3mm
Bike Length with Tires
1925.3mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
120mm
Rear Travel
Unknown
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Steel
Brake Type
Disc
Source:https://www.polygonbikes.com/product/mountain/siskiu-d7-5/