2019 509 Cycles Necessary Evil Base 50
Build
700C/29 in × 38 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of 509 Cycles Necessary Evil
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 516mm |
| Reach | 362mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, Unknown | 460mm |
| Top Tube Length, Effective/Horizontal Unknown | 510mm |
| Top Tube Slope | 8.5deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 282mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.8mm |
| Front-Center | 578.1mm |
| Front-Center Horizontal | 574.2mm |
| Wheelbase | 1004mm |
| Fork Offset/Rake | 50.1mm |
| Fork Length, Unknown | 395mm |
| Trail | 70.4mm high |
| Mechanical Trail | 66.4mm |
| Wheel Flop | 22.2mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 59.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 112mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1702mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://509cycles.com/products/necessary-evil-frame/