2021 Polygon Bikes Siskiu T8 XL (29″)
Build
700C/29 in × 2.6 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 | 634.9mm |
| Reach | 500mm |
| Stack to Reach Ratio | 1.27:1 |
| Seat Tube Length, Unknown | 430mm |
| Top Tube Length, Effective/Horizontal HT Top | 652.4mm |
| Head Tube Angle | 65.5deg |
| Effective Seat Tube Angle, Unknown | 76.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 39mm |
| Bottom Bracket Height | 338mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 428.2mm |
| Front-Center | 818.6mm |
| Front-Center Horizontal | 817.7mm |
| Wheelbase | 1245.9mm |
| Fork Offset/Rake | 42mm |
| Trail | 125.7mm very high |
| Mechanical Trail | 114.4mm |
| Wheel Flop | 47.4mm |
| Standover Height | 695.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 271.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 168mm |
T8 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 2000mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.polygonbikes.com/shop/bikes/mountain/trail/siskiu-t8-2/