2009 Niner Bikes SIR 9 Frameset (29" wheels)

Design
Flat Bar, Hardtail (Front suspension)
Frame
Steel
Suspension
80mm fork travel
Features
Disc brake, Single-speed capable
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

SMALL
MEDIUM
LARGE
X-LARGE
Seat Tube Length, C-T
394mm
419mm
483mm
546mm
Top Tube Length, Effective/Horizontal Center
587mm
603mm
622mm
641mm
Head Tube Angle
71.5deg
72deg
72deg
72deg
Seat Tube Angle
73deg
73deg
73deg
73deg
Head Tube Length
90mm
100mm
110mm
130mm
Bottom Bracket Drop
72.1mm
68.6mm
69mm
69.4mm
Bottom Bracket Height
292.3mm
295.7mm
295.3mm
294.9mm
Chainstay Length
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
434.1mm
434.6mm
434.6mm
434.5mm
Front-Center
643mm
654mm
673mm
693mm
Front-Center Horizontal
639mm
650.4mm
669.5mm
689.5mm
Wheelbase
1073mm
1085mm
1104mm
1124mm
Trail
Mechanical Trail
Wheel Flop
Tire to Pedal Spindle
108.7mm
170 mm cranks
119.7mm
170 mm cranks
138.7mm
170 mm cranks
158.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
122.3mm
170 mm cranks
125.7mm
170 mm cranks
125.3mm
170 mm cranks
124.9mm
170 mm cranks

Frameset (29" wheels) Build

SMALL
MEDIUM
LARGE
X-LARGE
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
Tire Width
2.1in
2.1in
2.1in
2.1in
Tire Outer Diameter
728.7mm
728.7mm
728.7mm
728.7mm
Bike Length with Tires
1801.7mm
1813.7mm
1832.7mm
1852.7mm

Published Sizing Recommendations

Height
160 cm
to
175 cm
173 cm
to
183 cm
180 cm
to
191 cm
191 cm
to
201 cm
Source:http://www.meridian-cycles.com/documents/09_ninercatalog_low.pdf