Bike-on-Bike
S (27.5″)
Default Config
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
Geometry
Stack | 571.2mm | — |
Reach | 425mm | — |
Stack to Reach Ratio | 1.34:1 | — |
Seat Tube Length, Unknown | 395mm | — |
Top Tube Length, Effective/Horizontal Center | 572.7mm | — |
Top Tube Slope | 19.7deg | — |
Head Tube Angle | 67deg | — |
Seat Tube Angle | 70deg | — |
Effective Seat Tube Angle, Unknown | 75.5deg | — |
Head Tube Length | 102mm | — |
Bottom Bracket Drop | 27mm | — |
Bottom Bracket Height | 322.2mm | — |
Chainstay Length | 432mm | — |
Chainstay Length Horizontal | 431.2mm | — |
Front-Center | 702.4mm | — |
Front-Center Horizontal | 701.8mm | — |
Wheelbase | 1133mm | — |
Fork Offset/Rake | 42.2mm | — |
Trail | 102.4mm very high | — — |
Mechanical Trail | 94.2mm | — |
Wheel Flop | 36.8mm | — |
Standover Height | 676mm | — |
Tire to Pedal Spindle | 183.2mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 152.2mm 170 mm cranks | — |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | — — |
Tire Width | 2.25in | — |
Tire Outer Diameter | 698.3mm | — |
Bike Length with Tires | 1831.3mm | — |
| 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 | — |
Meta
| Actions | — | |
| Source | https://www.polygonbikes.com/product/mountain/siskiu-d7-5/ | — |
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