2025 Stevens Bikes Sonora ES 20
Build
700C/29 in × 57 mm
Insights
Average stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 625mm |
| Reach | 442mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 483mm |
| Seat Tube Length, Effective Unknown | 651mm |
| Top Tube Length, Effective/Horizontal Center | 625mm |
| Top Tube Length, Actual C-C | 596mm |
| Top Tube Slope | 16.3deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 73.7deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 308mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.8mm |
| Front-Center | 710.7mm |
| Front-Center Horizontal | 708.2mm |
| Wheelbase | 1139mm |
| Fork Offset/Rake | 51mm |
| Fork Length, Unknown | 506mm |
| Trail | 83.1mm very high |
| Mechanical Trail | 77.9mm |
| Wheel Flop | 27.3mm |
| Standover Height | 806mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 172.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 138mm |
ES Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 57mm |
| Tire Outer Diameter | 736mm |
| Bike Length with Tires | 1875mm |
| Stem Length | 90mm |
| Stem Angle | 5deg |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.stevensbikes.de/de/de/mtb/xc-carbon/sonora-es-gen1/