Groupset
SRAM GX
Frame material
Alloy
Wheel size
29"
Suspension type
Hardtail
Front travel
120mm
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About the Niner Air 9 29 2-Star 2018
The Niner Air 9 29 2-Star 2018 is a Hardtail Trail Mountain Bike with a alloy frame. Equipped with a SRAM GX drivetrain of 12 gears (1x12). Its features include dropper seatpost, boost 110 , and boost 148.
Features
Dropper seatpost
More info
Dropper seatpost
Boost 110
More info
Boost 110
Boost 148
More info
Boost 148
Hydraulic disc brakes
More info
Hydraulic disc brakes
Specifications
Grip
|
Niner Grrrips, nylon flanges
|
---|
Steam
|
Race Face Aeffect R, 50mm length
|
---|---|
Saddle
|
Niner Custom TR, chromoly rails, printed Niner graphic
|
Headset
|
Niner headset, integrated SHIS, IS42 top, IS52 bottom
|
Seatpost
|
KS Lev Integra SI
|
Handlebar
|
Race Face Aeffect R, 780mm width, 20mm rise
|
Brake lever
|
SRAM Guide R
|
Brakes
|
SRAM Guide R
Hydraulic
392 g
|
|
Crankset
|
SRAM Stylo 7K Eagle
|
---|---|
Shifter
|
SRAM Eagle GX, 12-speed
|
Bottom bracket
|
Pressfit
|
Chain
|
SRAM GX Eagle
244 g
|
|
|
Cassette
|
SRAM XG-1275 Eagle
12s
|
|
|
Rear derailleur
|
SRAM GX Eagle
12s
|
|
Frame
|
Aluminum
|
---|---|
Front suspension
|
Fox 34 Float Rhythm
|
Rims
|
Niner Alloy 29"
|
---|---|
Tires
|
Front: Maxxis Ardent F60 2.4", soft compound, Rear: Maxxis Ardent F60 2.25", soft compound
|
Rear hub
|
Niner Alloy 29", 15mm x 110mm, 12mm x 148mm
|
Front hub
|
Niner Alloy 29", 15mm x 110mm, 12mm x 148mm
|
Geometry
Size | XS | SM | MD | LG | XL |
---|---|---|---|---|---|
a
Seat tube length
|
356,0
|
394,0
|
419,0
|
483,0
|
533,0
|
b
Seat tube angle
|
74,0º
|
74,0º
|
74,0º
|
74,0º
|
74,0º
|
c
Top tube length
|
577,0
|
592,0
|
610,0
|
634,0
|
659,0
|
d
Head tube length
|
100,0
|
100,0
|
110,0
|
125,0
|
145,0
|
e
Head tube angle
|
68,0º
|
68,0º
|
68,0º
|
68,0º
|
68,0º
|
f
Rake
|
54,0
|
54,0
|
53,0
|
54,0
|
54,0
|
g
Trail
|
93,0
|
93,0
|
94,0
|
93,0
|
93,0
|
h
Wheelbase
|
1109,0
|
1124,0
|
1143,0
|
1169,0
|
1196,0
|
i
Chainstay length
|
434,0
|
434,0
|
434,0
|
434,0
|
434,0
|
j
Bottom bracket drop
|
52,0
|
52,0
|
52,0
|
52,0
|
52,0
|
k
Stack height
|
617,0
|
617,0
|
627,0
|
641,0
|
659,0
|
l
Reach
|
402,0
|
417,0
|
432,0
|
452,0
|
472,0
|
m
Standover height
|
705,0
|
736,0
|
755,0
|
807,0
|
848,0
|
x
Bottom bracket height
|
322,0
|
322,0
|
322,0
|
322,0
|
322,0
|
y
Front center
|
680,0
|
695,0
|
714,0
|
740,0
|
767,0
|
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