2025 Oak Twilight Base XL
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 | 595mm |
| Reach | 409mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 580mm |
| Top Tube Length, Actual C-C | 593mm |
| Top Tube Slope | 4deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 191mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404mm |
| Front-Center | 621mm |
| Front-Center Horizontal | 617mm |
| Wheelbase | 1021mm |
| Fork Offset/Rake | 45.4mm |
| Trail | 56.1mm mid/neutral |
| Mechanical Trail | 53.7mm |
| Wheel Flop | 15.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 112mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1699mm |
| Handlebar Width | 400mm |
| Stem Length | 130mm |
| 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