2019 Niner Bikes AIR 9 RDO 5-Star Shimano XTR LTD - 29 MD
Build
700C/29 in × 2.25 in
Insights
Average stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Niner Bikes AIR 9 RDO
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 617mm |
| Reach | 424mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-T | 419mm |
| Top Tube Length, Effective/Horizontal HT Top | 610mm |
| Top Tube Slope | 21.6deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 58mm |
| Bottom Bracket Height | 310.2mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 431.1mm |
| Front-Center | 682mm |
| Front-Center Horizontal | 678.9mm |
| Wheelbase | 1110mm |
| Fork Offset/Rake | 51mm |
| Trail | 79.7mm high |
| Mechanical Trail | 74.9mm |
| Wheel Flop | 25.6mm |
| Standover Height | 744mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 143.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 140.2mm |
5-Star Shimano XTR LTD - 29 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 736.3mm |
| Bike Length with Tires | 1846.3mm |
| Handlebar Width | 780mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
| Features | Single-speed capable |
Published Sizing Recommendations
| Height | 5 ft 8 in to 6 ft 0 in |
Source:https://ninerbikes.com/products/air-9-rdo