2021 Polygon Bikes Siskiu D24 Base Youth 24
Build
24 in × 2.4 in
Stack and Reach vs. Category Trend
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Geometry
| Stack | 534.1mm |
| Reach | 350mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, C-T | 317mm |
| Top Tube Length, Effective/Horizontal Center | 493.1mm |
| Top Tube Slope | 27.6deg |
| Head Tube Angle | 66deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 90mm |
| Bottom Bracket Drop | 10mm |
| Bottom Bracket Height | 304.5mm |
| Chainstay Length | 400mm |
| Chainstay Length Horizontal | 399.9mm |
| Front-Center | 628.4mm |
| Front-Center Horizontal | 628.3mm |
| Wheelbase | 1028.2mm |
| Fork Offset/Rake | 40mm |
| Fork Length (Axle-To-Crown) | 501mm |
| Trail | 96.2mm very high |
| Mechanical Trail | 87.9mm |
| Wheel Flop | 35.8mm |
| Standover Height | 598.4mm |
| Tire to Pedal Spindle Distance With 140 mm cranks | 173.9mm |
| Pedal Spindle to Ground Clearance With 140 mm cranks | 164.5mm |
Base Build
| Wheel Size | 24 inch (507mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 628.9mm |
| Bike Length with Tires | 1657.1mm |
| Crank Length | 140mm |
| Handlebar Width | 640mm |
| Stem Length | 40mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Rear Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Unknown |
Published Sizing Recommendations
| Height | 4 ft 2 in to 4 ft 9 in |
Source:https://www.bikesonline.com/2024-polygon-siskiu-d24-dual-suspension-kids-bike