2021 Thomson Bike Products Piedmont Base S
Build
700C/29 in × 40 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 531mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, Unknown | 451mm |
| Top Tube Length, Unknown | 532mm |
| Top Tube Slope | 10.9deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 114mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 428mm |
| Chainstay Length Horizontal | 422.2mm |
| Front-Center | 599mm |
| Front-Center Horizontal | 595.8mm |
| Wheelbase | 1018mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 79.9mm high |
| Mechanical Trail | 75.1mm |
| Wheel Flop | 25.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 78mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1720mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.bikethomson.com/product/gravel-bike-kit-piedmont/#frame