Bike-on-Bike
M (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 | 580.4mm | — |
Reach | 445mm | — |
Stack to Reach Ratio | 1.3:1 | — |
Seat Tube Length, Unknown | 435mm | — |
Top Tube Length, Effective/Horizontal Center | 595.1mm | — |
Top Tube Slope | 16.1deg | — |
Head Tube Angle | 67deg | — |
Seat Tube Angle | 70deg | — |
Effective Seat Tube Angle, Unknown | 75.5deg | — |
Head Tube Length | 105mm | — |
Bottom Bracket Drop | 27mm | — |
Bottom Bracket Height | 322.2mm | — |
Chainstay Length | 432mm | — |
Chainstay Length Horizontal | 431.2mm | — |
Front-Center | 726.4mm | — |
Front-Center Horizontal | 725.8mm | — |
Wheelbase | 1157mm | — |
Fork Offset/Rake | 42.3mm | — |
Trail | 102.3mm very high | — — |
Mechanical Trail | 94.1mm | — |
Wheel Flop | 36.8mm | — |
Standover Height | 696mm | — |
Tire to Pedal Spindle | 207.2mm 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 | 1855.3mm | — |
| 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/ | — |
| Brand | — | |
| Bike | — | |
| Size | — | |
| Category | — |