2012 Niner Bikes SIR 9 Frameset (29" wheels) SM

Build

700C/29 in × 2.4 in

Insights

Somewhat upright stack and reach vs trend of hardtail trail mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
620mm
Reach
395mm
Stack to Reach Ratio
1.57:1
Seat Tube Length, C-T
393mm
Top Tube Length, Effective/Horizontal HT Top
592mm
Top Tube Slope
25.6deg
Head Tube Angle
69.8deg
Seat Tube Angle
73.3deg
Head Tube Length
100mm
Bottom Bracket Drop
49mm
Bottom Bracket Height
323mm
Chainstay Length
440mm
Chainstay Length Horizontal
437.3mm
Front-Center
651mm
Front-Center Horizontal
647.7mm
Wheelbase
1085mm
Fork Offset/Rake
51mm
Trail
82.5mm
very high
Mechanical Trail
77.4mm
Wheel Flop
26.7mm
Standover Height
716mm
Tire to Pedal Spindle Distance
With 170 mm cranks
109mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
153mm

Frameset (29" wheels) Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.4in
Tire Outer Diameter
743.9mm
Bike Length with Tires
1828.9mm
Stem Length
40mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
80mm
Suspension Sag
20%
Frame Material
Steel
Fork Material
Unknown
Brake Type
Disc
Features
Single-speed capable

Published Sizing Recommendations

Height
5 ft 3 in
to
5 ft 9 in
Source:https://reviews.mtbr.com/new-niner-s-i-r-9-and-imba-limited-edition-auction