2024 Polygon Bikes Tambora A4 L
Build
700mm BSD × 32 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 621mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 492mm |
| Top Tube Length, Effective/Horizontal Center | 581mm |
| Top Tube Slope | 15.5deg |
| Head Tube Angle | 72.06deg |
| Seat Tube Angle | 73.76deg |
| Head Tube Length | 193mm |
| Bottom Bracket Drop | 79mm |
| Bottom Bracket Height | 303mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 407.4mm |
| Front-Center | 623.6mm |
| Front-Center Horizontal | 618.6mm |
| Wheelbase | 1026mm |
| Fork Offset/Rake | 41mm |
| Trail | 80.6mm very high |
| Mechanical Trail | 76.7mm |
| Wheel Flop | 23.6mm |
| Standover Height | 784mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 71.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 133mm |
A4 Build
| Wheel Size | 700mm BSD |
| Tire Width | 32mm |
| Tire Outer Diameter | 764mm |
| Bike Length with Tires | 1790mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 175 cm to 188 cm |
Source:https://www.polygonbikes.com/us/tambora-a4/