2023 POSST Object Base 54
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 560mm |
| Reach | 384mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Effective/Horizontal HT Top | 541mm |
| Top Tube Slope | 6.5deg |
| Head Tube Angle | 72.2deg |
| Seat Tube Angle | 74.3deg |
| Head Tube Length | 144mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 264mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 408.2mm |
| Front-Center | 590mm |
| Front-Center Horizontal | 584.8mm |
| Wheelbase | 993mm |
| Fork Offset/Rake | 43mm |
| Fork Length, Unknown | 367mm |
| Trail | 63.7mm mid/neutral |
| Mechanical Trail | 60.6mm |
| Wheel Flop | 18.5mm |
| Standover Height | 769mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 78.5mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 91.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1671mm |
| Crank Length | 172.5mm |
| Handlebar Width | 420mm |
| Stem Length | 100mm |
| Stem Angle | 8deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
Published Sizing Recommendations
| Height | 173 cm to 179 cm |
| PBH | 77 cm to 82 cm |
Source:https://www.posst.bike/object