2018 Niner Bikes ROS 9 Plus Rigid 100mm fork

Design
Flat Bar, Hardtail (Front suspension)
Frame
Steel
Fork
100mm travel
Features
Disc brake
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
Somewhat upright 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

SM
MD
LG
XL
Stack
605mm
614mm
628mm
628mm
Reach
394mm
408mm
423mm
442mm
Stack to Reach Ratio
1.54:1
1.5:1
1.48:1
1.42:1
Seat Tube Length, C-T
378mm
411mm
467mm
530mm
Top Tube Length, Effective/Horizontal HT Top
582mm
599mm
618mm
637mm
Top Tube Slope
25.8deg
22.7deg
18deg
11.5deg
Head Tube Angle
68deg
68deg
68deg
68deg
Seat Tube Angle
73deg
73deg
73deg
73deg
Head Tube Length
100mm
110mm
125mm
125mm
Bottom Bracket Drop
63mm
63mm
63mm
63mm
Bottom Bracket Height
324.2mm
324.2mm
324.2mm
324.2mm
Chainstay Length
453mm
453mm
453mm
453mm
Chainstay Length Max
453mm
453mm
453mm
453mm
Chainstay Length Horizontal
448.6mm
448.6mm
448.6mm
448.6mm
Chainstay Length Horizontal Max
448.6mm
448.6mm
448.6mm
448.6mm
Front-Center
655.4mm
674.4mm
694.3mm
713.2mm
Front-Center Horizontal
652.4mm
671.4mm
691.4mm
710.4mm
Wheelbase
1101mm
1120mm
1140mm
1159mm
Wheelbase Max
1101mm
1120mm
1140mm
1159mm
Fork Offset/Rake
36.6mm
37.8mm
37.2mm
37.2mm
Trail
117mm
very high
115.7mm
very high
116.3mm
very high
116.3mm
very high
Mechanical Trail
108.5mm
107.2mm
107.8mm
107.8mm
Wheel Flop
40.6mm
40.2mm
40.4mm
40.4mm
Standover Height
688mm
715mm
760mm
809mm
Tire to Pedal Spindle
98.2mm
170 mm cranks
117.2mm
170 mm cranks
137.1mm
170 mm cranks
156mm
170 mm cranks
Pedal Spindle to Ground Clearance
154.2mm
170 mm cranks
154.2mm
170 mm cranks
154.2mm
170 mm cranks
154.2mm
170 mm cranks

100mm fork Build

SM
MD
LG
XL
Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
3in
3in
3in
3in
Tire Width Max
3in
3in
3in
3in
Tire Outer Diameter
774.4mm
774.4mm
774.4mm
774.4mm
Bike Length with Tires
1875.4mm
1894.4mm
1914.4mm
1933.4mm

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/pages/bikes-archive