2013 Niner Bikes ROS 9 Base Medium
Build
700C/29 in × 2.35 in
Insights
Very upright stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 641mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.6:1 |
| Seat Tube Length, Unknown | 431mm |
| Top Tube Length, Effective/Horizontal Unknown | 598mm |
| Top Tube Slope | 23.5deg |
| Head Tube Angle | 67deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 49mm |
| Bottom Bracket Height | 321.7mm |
| Chainstay Length | 427mm |
| Chainstay Length Horizontal | 424.2mm |
| Front-Center | 701mm |
| Front-Center Horizontal | 698.8mm |
| Wheelbase | 1123mm |
| Fork Offset/Rake | 43.8mm |
| Trail | 109.8mm very high |
| Mechanical Trail | 101.1mm |
| Wheel Flop | 39.5mm |
| Standover Height | 733mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 160.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 151.7mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 741.4mm |
| Bike Length with Tires | 1864.4mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
| Features | Single-speed capable |
Source:Niner Encyclopedia