2025 Polygon Tambora AE Base M
Build
700C/29 in × 40 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 592mm |
| Reach | 381mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 448mm |
| Top Tube Length, Effective/Horizontal Center | 550mm |
| Top Tube Slope | 17.7deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 165mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 283mm |
| Chainstay Length | 432mm |
| Chainstay Length Horizontal | 426.6mm |
| Front-Center | 607.2mm |
| Front-Center Horizontal | 603.4mm |
| Wheelbase | 1030mm |
| Fork Offset/Rake | 44.6mm |
| Trail | 70.4mm high |
| Mechanical Trail | 66.8mm |
| Wheel Flop | 21.2mm |
| Standover Height | 758mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 86.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 113mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1732mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
| Features | E-bike |
Published Sizing Recommendations
| Height | 163 cm to 175 cm |
Source:https://www.polygonbikes.com/tambora-ae-grx/