2018 Niner Bikes ROS 9 Plus Rigid 100mm fork XL
Build
700C/29 in × 3 in
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
View all sizes
Geometry
| Stack | 628mm |
| Reach | 442mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 530mm |
| Top Tube Length, Effective/Horizontal HT Top | 637mm |
| Top Tube Slope | 11.5deg |
| Head Tube Angle | 68deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 63mm |
| Bottom Bracket Height | 324.2mm |
| Chainstay Length | 453mm |
| Chainstay Length Max | 453mm |
| Chainstay Length Horizontal | 448.6mm |
| Chainstay Length Horizontal Max | 448.6mm |
| Front-Center | 713.2mm |
| Front-Center Horizontal | 710.4mm |
| Wheelbase | 1159mm |
| Wheelbase Max | 1159mm |
| Fork Offset/Rake | 37.2mm |
| Trail | 116.3mm very high |
| Mechanical Trail | 107.8mm |
| Wheel Flop | 40.4mm |
| Standover Height | 809mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 156mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 154.2mm |
100mm fork Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 3in |
| Tire Outer Diameter | 774.4mm |
| Bike Length with Tires | 1933.4mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://ninerbikes.com/pages/bikes-archive