2019 Niner Bikes AIR 9 RDO 5-Star Shimano XTR LTD - 29

Design
Flat Bar, Hardtail (Front suspension)
Frame
Carbon/Composite
Suspension
100mm fork travel
Features
Disc brake, Single-speed capable
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

XS
SM
MD
LG
LG
XL
Stack
602mm
607mm
617mm
626mm
626mm
635mm
Reach
393mm
406mm
424mm
441mm
441mm
458mm
Stack to Reach Ratio
1.53:1
1.5:1
1.46:1
1.42:1
1.42:1
1.39:1
Seat Tube Length, C-T
356mm
394mm
419mm
483mm
483mm
533mm
Top Tube Length, Effective/Horizontal HT Top
575mm
590mm
610mm
630mm
630mm
650mm
Top Tube Slope
27.8deg
23.8deg
21.6deg
15.7deg
15.7deg
11.5deg
Head Tube Angle
70deg
70deg
70deg
70deg
70deg
70deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
73deg
Head Tube Length
95mm
100mm
110mm
120mm
120mm
130mm
Bottom Bracket Drop
58mm
58mm
58mm
58mm
58mm
58mm
Bottom Bracket Height
310.2mm
310.2mm
310.2mm
310.2mm
310.2mm
310.2mm
Chainstay Length
435mm
435mm
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
431.1mm
431.1mm
431.1mm
431.1mm
431.1mm
431.1mm
Front-Center
646mm
661mm
682mm
702mm
702mm
722mm
Front-Center Horizontal
642.9mm
658.9mm
678.9mm
699.9mm
699.9mm
719.9mm
Wheelbase
1074mm
1090mm
1110mm
1131mm
1131mm
1151mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
51mm
51mm
Trail
79.7mm
high
79.7mm
high
79.7mm
high
79.7mm
high
79.7mm
high
79.7mm
high
Mechanical Trail
74.9mm
74.9mm
74.9mm
74.9mm
74.9mm
74.9mm
Wheel Flop
25.6mm
25.6mm
25.6mm
25.6mm
25.6mm
25.6mm
Standover Height
688mm
724mm
744mm
796mm
796mm
837mm
Tire to Pedal Spindle
107.9mm
170 mm cranks
122.9mm
170 mm cranks
143.9mm
170 mm cranks
163.9mm
170 mm cranks
163.9mm
170 mm cranks
183.9mm
170 mm cranks
Pedal Spindle to Ground Clearance
140.2mm
170 mm cranks
140.2mm
170 mm cranks
140.2mm
170 mm cranks
140.2mm
170 mm cranks
140.2mm
170 mm cranks
140.2mm
170 mm cranks

5-Star Shimano XTR LTD - 29 Build

XS
SM
MD
LG
LG
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.25in
2.25in
2.25in
2.25in
2.25in
2.25in
Tire Width Max
2.4in
2.4in
2.4in
2.4in
2.4in
2.4in
Tire Outer Diameter
736.3mm
736.3mm
736.3mm
736.3mm
736.3mm
736.3mm
Bike Length with Tires
1810.3mm
1826.3mm
1846.3mm
1867.3mm
1867.3mm
1887.3mm
Handlebar Width
780mm
780mm
780mm
780mm
780mm
780mm

Published Sizing Recommendations

Height
5 ft 0 in
to
5 ft 5 in
5 ft 3 in
to
5 ft 9 in
5 ft 8 in
to
6 ft 0 in
5 ft 11 in
to
6 ft 3 in
5 ft 11 in
to
6 ft 3 in
6 ft 3 in
to
6 ft 7 in

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Source:https://ninerbikes.com/products/air-9-rdo, https://www.theproscloset.com/products/2020-niner-air-9-rdo-l-2