2025 Lynskey Performance Designs Zephyr Base S
Build
700C/29 in × 42 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 553mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 470mm |
| Top Tube Length, Effective/Horizontal Unknown | 533mm |
| Top Tube Slope | 11.4deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 126mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.4mm |
| Front-Center | 600.3mm |
| Front-Center Horizontal | 595.6mm |
| Wheelbase | 1019mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 77.3mm high |
| Mechanical Trail | 72.8mm |
| Wheel Flop | 24.3mm |
| Standover Height | 737mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 77.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 108mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1725mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 3 in to 5 ft 5 in |
Source:https://lynskeyperformance.com/cdn/shop/files/2025_Geometry_Chart.webp?v=1738853070&width=750