Niner
Niner

Niner Air 9 Frame

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Item #: FR216A01
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Niner Air 9 Frame

When Niner set out to design an aluminum version of their highly praised and World Cup tested Air 9, they didn't settle for mediocrity when it came to the quality of alloy. Knowing that any sort of compromise in frame material would do injustice to the proven geometry, Niner shaped the Air 9 using high end hydroformed alloy that benefits from the same decade of refinement and testing as its carbon fiber siblings.

To make Niner's most economical cross-country race-frame both lighter and faster, this upgraded version integrates Niner's hydroformed tubing throughout. More than just a chic technology marketing term, hydroforming allows Niner to shape and hinder the tubes for optimized strength and stiffness in key areas, giving the ability to create beautifully tuned frames with precise ride characteristics. Hydroforming is found in the top tube, downtube, headtube, chainstays and seatstays, equating to an overall much lighter and stiffer ride feel that promotes more precise steering and a snappier power transfer. The rigid sides of the signature downtube and top tube shapes maximize torsional stiffness, with buttery smooth ride quality achieved through the flat sections on each tube, which act like leaf springs.

The Air 9 features a tapered headtube with an integrated headset. By allowing the use of the newest generation of 1.5" tapered steerer suspension forks and integrated headset, Niner creates the stiffest front end possible €“ leading to amazing steering precision as you carve corners and descend with confidence. Should you find yourself mashing the "I wish I had a little bit more travel" button; like a genie in a lamp, Niner has granted that wish by designing the new Air 9 to accommodate forks with up to 120mm of travel.

Employing a Pressfit 30 standard bottom bracket, the Air 9 perfectly mates its larger aluminum down tube with the larger BB shell to further optimize power efficiency, while allowing lighter, stiffer cranksets to be used. The new version of the Air 9 features a 12 x 142 rear drop out spacing with Maxle to maximize rear triangle stiffness, and allow easier maintenance.

Niner Air 9 Frame Features

  • High end Niner hydroformed alloy
  • Now featuring 12 x 142 spacing
  • With Niner's RDO carbon fork, is a light integrated off road racing system
  • Niner's world cup tested racing Geometry
  • Tapered head tube for front end stiffness, strength and steering precision
  • Low profile disc brake mounts
  • Replaceable rear derailleur hanger
  • Clearance for 2.4 tire
  • Improved cable routing is side swing FD compatible
  • New lighter Niner head badge
  • Compatible with standard 3x chainring systems
  • SRAM recommended 2x chainrings: 26/39 or lower
  • SRAM XX1 recommended max chainring: 38T Q-Factor: 168mm
  • SHIMANO XT recommended 2x chainrings: 28/40 or lower
  • SHIMANO XTR FC M9000 series recommended 2x chainrings: 28/38 or lower. XTR FC M980 series 2x chainrings not recommended
SPECIFICATIONS
Frame Niner Air 9 hydroformed alloy, 142 x 12 rear spacing
Fork n/a
Rear Shock n/a
Headset n/a
Shifters n/a
Front Derailleur n/a
Rear Derailleur n/a
Crankset n/a
Bottom Bracket PF30 compatible (not included)
Pedals n/a
Chain n/a
Cassette n/a
Brakes n/a
Wheelset n/a
Tires n/a
Handlebar n/a
Stem n/a
Grips Niner Grrrips
Seatpost n/a
Seat Clamp n/a
Saddle n/a
Intended Use XC, Endurance, Trail
Weight TBD

Note: Components are subject to change without notice.


GEOMETRY (mm) 100mm Fork
Size Extra Small Small Medium Large Extra Large
A: Seat Tube Length 381 394 419 483 533
B: Effective Top Tube 575 590 607 626 645
C: Stack 599 612 617 631 651
D: Reach 392 403 418 433 446
E: BB Height n/a n/a n/a n/a
F: BB Drop/Rise 54 54 54 54 54
G: Head Tube Length 95 105 110 125 145
H: Head Tube Angle 71° 71° 71° 71° 71°
I: Seat Tube Angle 73° 73° 73° 73° 73°
J: Standover Height 688 724 744 796 837
K: Chainstay Length 439 439 439 439 439
L: Wheelbase 1073 1088 1094 1114 1134
GEOMETRY (mm) 120mm Fork
Size Extra Small Small Medium Large Extra Large
A: Seat Tube Length 381 394 419 483 533
B: Effective Top Tube 578mm 593mm 610mm 629mm 648mm
C: Stack 606mm 619mm 624mm 639mm 658mm
D: Reach 382mm 392mm 408mm 422mm 436mm
E: BB Height n/a n/a n/a n/a
F: BB Drop/Rise 47mm 47mm 47mm 47mm 47mm
G: Head Tube Length 95 105 110 125 145
H: Head Tube Angle 70° 70° 70° 70° 70°
I: Seat Tube Angle 72° 72° 72° 72° 72°
J: Standover Height 692mm 729mm 749mm 802mm 843mm
K: Chainstay Length 439 439 439 439 439
L: Wheelbase 1079mm 1094mm 1100mm 1120mm 1127mm

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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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