2023 POSST Oban 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 Oban
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 525mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, C-T | 460mm |
| Top Tube Length, Effective/Horizontal HT Top | 512mm |
| Top Tube Slope | 9.2deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 75.5deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.6mm |
| Front-Center | 577mm |
| Front-Center Horizontal | 573.4mm |
| Wheelbase | 977mm |
| Fork Offset/Rake | 43mm |
| Fork Length, Unknown | 370mm |
| Trail | 68.1mm high |
| Mechanical Trail | 64.6mm |
| Wheel Flop | 20.5mm |
| Standover Height | 740mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 73mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 102mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1655mm |
| Crank Length | 165mm |
| Handlebar Width | 40mm |
| 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 | Disc |
Published Sizing Recommendations
| Height | 158 cm to 166 cm |
Source:https://www.posst.bike/oban