2019 NS Bikes Surge Evo Base Medium
Build
650B/27.5 in × 2.4 mm
Insights
Somewhat upright stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 613mm |
| Reach | 387mm |
| Stack to Reach Ratio | 1.58:1 |
| Seat Tube Length, C-T | 393mm |
| Top Tube Length, Effective/Horizontal Center | 585mm |
| Top Tube Length, Actual C-C | 561.8mm |
| Top Tube Slope | 26deg |
| Head Tube Angle | 65.5deg |
| Seat Tube Angle | 72deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 13.5mm |
| Bottom Bracket Height | 280.9mm |
| Chainstay Length | 411mm |
| Chainstay Length Horizontal | 410.8mm |
| Front-Center | 691mm |
| Front-Center Horizontal | 692.2mm |
| Wheelbase | 1103mm |
| Fork Offset/Rake | 29.1mm |
| Trail | 102.2mm very high |
| Mechanical Trail | 93mm |
| Wheel Flop | 38.6mm |
| Standover Height | 790mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 226.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 110.9mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.4mm |
| Tire Outer Diameter | 588.8mm |
| Bike Length with Tires | 1691.8mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:Nsbikes.com