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Niner Air 9 Carbon Frame

Item #: FR232I00
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USD$1,399.00
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Niner Air 9 Carbon Frame

The Niner Air 9 Carbon is Niner’s lastest iteration of the well known Air 9 frame. Niner has proven year after year that they have 29er hardtail geometory down, which they are demonstrating yet again with the new Air 9 Carbon. Although it’s technically not an RDO, it borrows the mold and several other features previously only seen on the RDO.

The Air 9 Carbon features internally routed shifter cables, thinner tube profiles, smaller junctions, carbon molded headset races, a newly positioned rear disc brake post mounts, and a PF30 carbon bottom bracket shell. Niner decided to go with a PF30 bottom bracket shell for the Air 9 Carbon geared-only carbon hardtail. The PF30 bottom bracket shell allows for 24mm or 30mm spindle cranks to be installed, however this frame is not compatible with an EBB (hence ‘geared-only’). Also, repositioning the rear brake mount inside the chainstay has helped make the whole rear end much stiffer. Niner is now using tapered headtubes on all their new frames creating a stiffer front end which drastically improves the handling. On the new Air 9 Carbon, Niner also decided to go with a very sleek integrated headset that is lightweight and easy to install and maintain.

The new Air 9 Carbon is an awesome bike that anyone could enjoy. Although it’s technically not ‘Race Day Optimized’, this bike is as much at home at XC races as it is at riding your weekend loop. Providing their proven hardtail geometry on a lightweight carbon frame Niner definitely knew what they were doing when they designed the new Air 9 Carbon.

2014 Niner Air 9 Carbon Frame Features

  • 73mm PF30 BB width
  • PF30 BB adaptable to threaded via adapters
  • Not compatible with aftermarket EBB systems
  • 31.6mm seat post size, 400mm length recommended
  • 34.9mm front derailleur, high mount, bottom pull
  • 34.9mm seat collar size
  • 1.125”-1.5” tapered head tube with integrated (Campy style) headset (headset included) Cane Creek standard description: IS42/28.6|IS52/40
  • Small frame has one bottle mount inside the front triangle. Medium, large and XL have two bottle mounts inside the front triangle
  • Replaceable derailleur hanger
  • Titanium chain drop and chain suck protection pieces
  • Protective 3M tape under DT
  • Integrated aluminum head badge for internal, full-housing cable routing
  • 135mm QR rear spacing
  • Can fit up to a 2.35” tire (tire size varies by brand, some tires may not fit)
  • Compatible with standard 3x chainring systems
  • SRAM recommended 2x chainrings: 26/39T or lower
  • SRAM XX1 recommended max chainring: 32T. Q-Factor: 168mm
  • SHIMANO XT recommended 2x chainrings: 28/40T or lower
  • SHIMANO XTR 2x is not recommended. Both versions (40t/48.8mm chain line and 38t/46.6mm chain line) position the large chainring in a way that it may contact the frame.

2014 Niner Air 9 Carbon Frame Geometry

Size (80mm fork) Small Medium Large Extra Large
Effective Top Tube Length 587mm 603mm 622mm 641mm
Seat Tube Length 394mm 419mm 483mm 533mm
Head Tube Length 106mm 110mm 126mm 145mm
Head Angle 72° 72° 72° 72°
Seat Angle 74° 74° 74° 74°
BB Drop 62mm 62mm 62mm 62mm
Front Center 639mm 656mm 675mm 695mm
Wheel Base 1071mm 1087mm 1107mm 1127mm
Chain Stay Length 439mm 439mm 439mm 439mm
Horiz. Chainstay 437mm 437mm 437mm 437mm
Reach 414mm 428mm 443mm 457mm
Stack 600mm 610mm 624mm 643mm
Standover Height 702mm 722mm 776mm 818mm
Size (100mm fork) Small Medium Large Extra Large
Effective Top Tube Length 590mm 606mm 626mm 645mm
Seat Tube Length 394mm 419mm 483mm 533mm
Head Tube Length 106mm 110mm 126mm 145mm
Head Angle 71° 71° 71° 71°
Seat Angle 73° 73° 73° 73°
BB Drop 54mm 54mm 54mm 54mm
Front Center 644mm 660mm 680mm 700mm
Wheel Base 1077mm 1094mm 1113mm 1133mm
Chain Stay Length 439mm 439mm 439mm 439mm
Horiz. Chainstay 437mm 437mm 437mm 437mm
Reach 404mm 418mm 433mm 446mm
Stack 608mm 617mm 631mm 651mm
Standover Height 706mm 726mm 781mm 823mm
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Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.