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Siskiu

2024 Polygon Bikes Siskiu T7

Category
Full-suspension Trail MTB
Design
Drop Bar, Full suspension
Frame
Aluminum
Suspension
140mm fork travel, 135mm rear travel
S (27.5″)
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Collection
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M (27.5″)
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M (29″)
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L (29″)
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XL (29″)
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Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Drop Bar
Category: Flat Bar
vs category
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Drop Bar
Category: Flat Bar
vs category
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Drop Bar
Category: Flat Bar
vs category
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Drop Bar
Category: Flat Bar
vs category
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Drop Bar
Category: Flat Bar
vs category

Geometry

S (27.5″)
M (27.5″)
M (29″)
L (29″)
XL (29″)
Stack
593.5mm
607.1mm
607.6mm
621.2mm
634.9mm
Reach
440mm
460mm
460mm
480mm
500mm
Stack to Reach Ratio
1.35:1
1.32:1
1.32:1
1.29:1
1.27:1
Seat Tube Length, C-T
385mm
400mm
400mm
415mm
430mm
Seat Tube Length, Effective Unknown
76.5mm
76.5mm
76.5mm
76.5mm
76.5mm
Top Tube Length, Effective/Horizontal Center
582.5mm
605.7mm
605.9mm
629.1mm
652.4mm
Top Tube Slope
22.1deg
21.2deg
21.2deg
20.4deg
19.6deg
Head Tube Angle
65deg
65deg
65.5deg
65.5deg
65.5deg
Seat Tube Angle
71deg
71deg
70.5deg
70.5deg
70.5deg
Head Tube Length
105mm
120mm
90mm
105mm
120mm
Bottom Bracket Drop
18mm
18mm
37mm
37mm
37mm
Bottom Bracket Height
335mm
335mm
335mm
335mm
335mm
Chainstay Length
425mm
425mm
430mm
430mm
430mm
Chainstay Length Horizontal
424.6mm
424.6mm
428.4mm
428.4mm
428.4mm
Front-Center
748.4mm
774.7mm
766mm
792.2mm
818.3mm
Front-Center Horizontal
748.2mm
774.5mm
765.1mm
791.3mm
817.5mm
Wheelbase
1172.8mm
1199.1mm
1193.5mm
1219.7mm
1245.9mm
Fork Offset/Rake
36.1mm
36mm
41mm
41mm
40.9mm
Trail
124.8mm
very high
124.8mm
very high
124.5mm
very high
124.5mm
very high
124.5mm
very high
Mechanical Trail
113.1mm
113.1mm
113.3mm
113.3mm
113.3mm
Wheel Flop
47.8mm
47.8mm
47mm
47mm
47mm
Standover Height
666.6mm
672.5mm
676.6mm
686.2mm
695.9mm
Tire to Pedal Spindle
225.4mm
170 mm cranks
251.7mm
170 mm cranks
224mm
170 mm cranks
250.2mm
170 mm cranks
276.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
165mm
170 mm cranks
165mm
170 mm cranks
165mm
170 mm cranks
165mm
170 mm cranks
165mm
170 mm cranks

T7 Build

S (27.5″)
M (27.5″)
M (29″)
L (29″)
XL (29″)
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.4in
2.4in
2.4in
2.4in
2.4in
Tire Outer Diameter
705.9mm
705.9mm
743.9mm
743.9mm
743.9mm
Bike Length with Tires
1878.7mm
1905mm
1937.4mm
1963.6mm
1989.8mm

Published Sizing Recommendations

Height
12 ft 11 in
to
13 ft 9 in
to
13 ft 9 in
to
14 ft 7 in
to
15 ft 5 in
to

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Full-suspension Trail MTB
Source:https://www.polygonbikes.com/pl/siskiu-t7/
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