Bike-on-Bike
Medium (27.5")
Default Config
Insights
Somewhat aggressive stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Design deviates from other sizes of Polygon Bikes Siskiu
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Moto/Klunker/Riser Bar
Category: Flat Bar
vs full-suspension all-mountain/enduro mtb bikesCategory: Flat Bar
Geometry
Stack | 592.7mm | — |
Reach | 435mm | — |
Stack to Reach Ratio | 1.36:1 | — |
Seat Tube Length, C-T | 430mm | — |
Top Tube Length, Effective/Horizontal Center | 593.8mm | — |
Top Tube Slope | 18deg | — |
Head Tube Angle | 65.5deg | — |
Seat Tube Angle | 75deg | — |
Effective Seat Tube Angle, ETT HT Top | 71.5deg | — |
Head Tube Length | 100mm | — |
Bottom Bracket Drop | 5mm | — |
Bottom Bracket Height | 353mm | — |
Chainstay Length | 435mm | — |
Chainstay Length Horizontal | 435mm | — |
Front-Center | 749mm | — |
Front-Center Horizontal | 748.9mm | — |
Wheelbase | 1183.9mm | — |
Fork Offset/Rake | 42mm | — |
Trail | 117.1mm very high | — — |
Mechanical Trail | 106.5mm | — |
Wheel Flop | 44.2mm | — |
Standover Height | 718.8mm | — |
Tire to Pedal Spindle | 220.9mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 183mm 170 mm cranks | — |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | — — |
Tire Width | 2.6in | — |
Tire Outer Diameter | 716.1mm | — |
Bike Length with Tires | 1900mm | — |
Crank Length | 170mm | — |
Handlebar Width | 780mm | — |
Stem Length | 35mm | — |
| Suspension Type | Full suspension | — |
| Bar Type | Moto/Klunker/Riser Bar | — |
| Fork Travel | 160mm | — |
| Rear Travel | Unknown | — |
| Suspension Sag | Unknown | — |
| Frame Material | Aluminum | — |
| Fork Material | Aluminum | — |
| Brake Type | Disc | — |
Meta
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| Source | https://www.bikesonline.com/2021-polygon-siskiu-n9-dual-suspension-mountain-bike | — |
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