2021 Stern Motion 1.0 27.5" 18
Build
650B/27.5 in × 2.1 mm
Insights
Somewhat upright stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Stern Motion
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 613mm |
| Reach | 401mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, Unknown | 457mm |
| Top Tube Length, Effective/Horizontal Unknown | 587mm |
| Top Tube Slope | 18.2deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 45mm |
| Bottom Bracket Height | 249.1mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 437.7mm |
| Front-Center | 649.9mm |
| Front-Center Horizontal | 648.3mm |
| Wheelbase | 1086mm |
| Fork Offset/Rake | 38.1mm |
| Trail | 66.5mm high |
| Mechanical Trail | 62.5mm |
| Wheel Flop | 21.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 185.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 79.1mm |
1.0 27.5" Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.1mm |
| Tire Outer Diameter | 588.2mm |
| Bike Length with Tires | 1674.2mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 165 cm to 175 cm |
Source:https://www.sportmaster.ru/product/21092240299/