2025 stark Armer 29.5 HD M
Build
700C/29 in × 2.25 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
View all sizes
Geometry
| Stack | 638mm |
| Reach | 425mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, Unknown | 457mm |
| Top Tube Length, Effective/Horizontal Unknown | 620mm |
| Top Tube Length, Actual C-C | 598mm |
| Top Tube Slope | 19.8deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 64mm |
| Bottom Bracket Height | 304.2mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 440.4mm |
| Front-Center | 709mm |
| Front-Center Horizontal | 705.6mm |
| Wheelbase | 1146mm |
| Fork Offset/Rake | 45.2mm |
| Trail | 100mm very high |
| Mechanical Trail | 92.7mm |
| Wheel Flop | 34.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 170.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 134.2mm |
29.5 HD Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 736.3mm |
| Bike Length with Tires | 1882.3mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 168 cm to 178 cm |
Source:https://stark.ru/bikes/mauntinbayki/armer/