2020 Principia Evoke A5.9 Base 21"
Build
700C/29 in × 2.1 in
Insights
Very upright stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 643mm |
| Reach | 393mm |
| Stack to Reach Ratio | 1.64:1 |
| Seat Tube Length, Unknown | 533mm |
| Top Tube Length, Actual C-C | 583mm |
| Top Tube Slope | 13.7deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 63mm |
| Bottom Bracket Height | 301.3mm |
| Chainstay Length | 475mm |
| Chainstay Length Horizontal | 470.8mm |
| Front-Center | 667.2mm |
| Front-Center Horizontal | 664.2mm |
| Wheelbase | 1135mm |
| Fork Offset/Rake | 91mm |
| Trail | 42.4mm low |
| Mechanical Trail | 39.6mm |
| Wheel Flop | 14.2mm |
| Standover Height | 843mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 132.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 131.3mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.1in |
| Tire Outer Diameter | 728.7mm |
| Bike Length with Tires | 1863.7mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://principia.dk/mtb/evoke-aluminium/evoke-a59---kobber-pg-2150