2025 Oak Twilight Base s
Build
700C/29 in × 30 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Oak Twilight
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 529mm |
| Reach | 383mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, Effective Unknown | 72mm |
| Top Tube Length, Actual C-C | 535mm |
| Head Tube Angle | 410deg |
| Seat Tube Angle | 74deg |
| Bottom Bracket Drop | -139mm |
| Bottom Bracket Height | 480mm |
| Chainstay Length | 124mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 165 mm cranks | — |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 315mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 30mm |
| Tire Outer Diameter | 682mm |
| Crank Length | 165mm |
| Handlebar Width | 110mm |
| 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 | 14 ft 1 in to |
| PBH | 983 in to |
Source:https://www.oak.cc/bikes/p/twilight-shimano-105-di2