2025 Oak Twilight Base XS
Build
700C/29 in × 28 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 | 517mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Actual C-C | 523mm |
| Top Tube Slope | 9.6deg |
| Head Tube Angle | 71.4deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 114mm |
| Bottom Bracket Drop | 71mm |
| Bottom Bracket Height | 268mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.8mm |
| Front-Center | 576.6mm |
| Front-Center Horizontal | 572.2mm |
| Wheelbase | 976mm |
| Fork Offset/Rake | 44.6mm |
| Trail | 67mm high |
| Mechanical Trail | 63.5mm |
| Wheel Flop | 20.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 67.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 98mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1654mm |
| Handlebar Width | 380mm |
| Stem Length | 100mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.oak.cc/bikes/p/twilight-frameset