2020 CHAPTER2 AO Base S
Build
700C/29 in × 35 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of CHAPTER2 AO
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 548mm |
| Reach | 366mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 480mm |
| Top Tube Length, Effective/Horizontal HT Top | 528mm |
| Top Tube Slope | 10deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 74mm |
| Bottom Bracket Height | 272mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 413.4mm |
| Front-Center | 601mm |
| Front-Center Horizontal | 596.6mm |
| Wheelbase | 1010mm |
| Fork Offset/Rake | 55mm |
| Fork Length, Unknown | 399mm |
| Trail | 67.4mm high |
| Mechanical Trail | 63.3mm |
| Wheel Flop | 21.7mm |
| Standover Height | 764mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 85mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 102mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1702mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 165 cm to 175 cm |
Source:https://www.chapter2bikes.com/geometry-bikefit