2023 POSST Object Base 50
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of POSST Object
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 530mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Effective/Horizontal HT Top | 512mm |
| Top Tube Slope | 11deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 75.5deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 77mm |
| Bottom Bracket Height | 262mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 407.8mm |
| Front-Center | 581mm |
| Front-Center Horizontal | 576.2mm |
| Wheelbase | 984mm |
| Fork Offset/Rake | 43mm |
| Fork Length, Unknown | 367mm |
| Trail | 71.3mm high |
| Mechanical Trail | 67.4mm |
| Wheel Flop | 21.9mm |
| Standover Height | 712mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 72mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 92mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1662mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 90mm |
| 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 | 158 cm to 166 cm |
| PBH | 71 cm to 75 cm |
Source:https://www.posst.bike/object