2019 Viathon Bicycles M.1 Base Med
Build
700C/29 in × 2.3 in
Insights
Somewhat upright 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 | 621mm |
| Reach | 417mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 432mm |
| Top Tube Length, Effective/Horizontal HT Top | 600mm |
| Top Tube Slope | 21deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 73.6deg |
| Head Tube Length | 90mm |
| Bottom Bracket Drop | 56mm |
| Bottom Bracket Height | 313.4mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 436.4mm |
| Front-Center | 685mm |
| Front-Center Horizontal | 682.6mm |
| Wheelbase | 1119mm |
| Fork Offset/Rake | 51mm |
| Fork Length, Unknown | 531mm |
| Trail | 83.7mm very high |
| Mechanical Trail | 78.4mm |
| Wheel Flop | 27.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 145.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 143.4mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 738.8mm |
| Bike Length with Tires | 1857.8mm |
| Handlebar Width | 740mm |
| Stem Angle | -6deg |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.viathonbicycles.com/products/m1-gx-eagle