2022 Polygon Bikes ZETA 2 2022 20" ALL SIZE
Build
20 in (406) × 50.8 mm
Insights
Average stack and reach vs trend of mini-velo/folding bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 567.9mm |
| Reach | 412.5mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 360mm |
| Top Tube Length, Effective/Horizontal HT Top | 570mm |
| Top Tube Slope | 23.5deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 250mm |
| Bottom Bracket Drop | 35mm |
| Bottom Bracket Height | 218.8mm |
| Chainstay Length | 400mm |
| Chainstay Length Horizontal | 398.5mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 48.8mm |
20" Build
| Wheel Size | 20 inch (406 BSD, BMX/Kids) (406mm BSD) |
| Tire Width | 50.8mm |
| Tire Outer Diameter | 507.6mm |
| Handlebar Width | 640mm |
| Stem Length | 45mm |
| Stem Angle | 3deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | N/A |
| Brake Type | Disc |
Source:https://www.polygonbikes.com/id/sepeda/city-bike/zeta-2/