2019 509 Cycles Necessary Evil Base 57
Build
700C/29 in × 38 mm
Insights
Somewhat aggressive 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 | 583mm |
| Reach | 392mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, Unknown | 560mm |
| Top Tube Length, Effective/Horizontal Unknown | 575mm |
| Top Tube Slope | 4.9deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 170mm |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 282mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.8mm |
| Front-Center | 614.9mm |
| Front-Center Horizontal | 611.2mm |
| Wheelbase | 1041mm |
| Fork Offset/Rake | 49mm |
| Fork Length, Unknown | 395mm |
| Trail | 61.9mm mid/neutral |
| Mechanical Trail | 58.8mm |
| Wheel Flop | 18.2mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 95.9mm |
| 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 | 1739mm |
| 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/