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Niner Air 9 Rdo Carbon XTR Bike

Item #: BI250P01
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Niner Air 9 RDO will provide you with a high performance carbon hard tail that is stiff and very light. The weight loss comes from a combination of carefully slimming frame tubes, changing carbon layups, and moving the bottom bracket to the lighter Pressfit 30 version. All of these changes save almost a half pound over the previous version. The changes aren’t just reserved for weight loss. As the name RDO (Race Day Optimized) implies, this is a race machine meant to put you on the top step of the podium. The Air 9 RDO maintains stiffness and with re-worked cable housing routing, shifting quality has been improved.

The Niner Air 9 RDO tapered head tube tightens up the front end and includes an integrated head set from FSA. You will find that the frame is optimized for an 80-100mm travel fork or for Niner’s carbon rigid fork. This build includes the Rock Shox SID XX World Cup 100mm fork. Designed as a geared bike, the Air 9 RDO is compatible with all 3x10 systems and most 2x10 systems. Shimano recommends maximum 28/40 and SRAM recommends a maximum 26/39 in chainring sizes.

Completing the package is Shimano’s impeccable XTR components. The XTR crankset includes 42/32/24 rings mated to a 11-36 rear cassette. American Classic 29 tubeless wheels roll with Schwalbe Racing Ralph 2.2 tires. Put a number plate on this bike and you are ready to race!

  • Niner Air 9 RDO
  • Improved carbon layup
  • Tapered head tube
  • PF30 bottom bracket
  • Internal Cable Routing
  • 34.9 front derailleur, high mount, bottom pull
  • 31.6 seat post size, 34.9mm seat collar size
  • 1.125”-1.5” taper head tube with integrated (Campy style) headset (FSA headset included) Cane Creek standard description: IS42/28.6|IS52/40
  • Replaceable derailleur hanger
  • 135mm rear QR spacing
  • Rock Shox SID XX World Cup Fork 80/100mm w/ qr15 dropouts
  • Shimano XTR 10 speed rear derailleur
  • Shimano XTR crankset
  • Shimano XTR shifters
  • Shimano 10 speed cassette, 11-36t
  • Shimano 10 speed chain
  • Shimano XTR front derailleur
  • Shimano XTR disc brakes
  • Niner RDO carbon handlebar-710mm width, 5mm rise, 9° sweep
  • Niner alloy stem
  • Niner Carbon seatpost
  • WTB Silverado Team saddle
  • Crank Brothers Iodine black
  • American Classic hubs and American Classic spokes 32, 3x front and rear
  • American Classic 29” Tubeless rim
  • Schwalbe Racing Ralph tires 2.2”

Seat Tube Top Tube ( 80mm/100mm) Standover (80mm/100mm) Head Tube (80mm/100mm) Head Angle (80mm/100mm) Seat Angle (80mm/100mm) Approximate
Rider Height
md 16.5"
5'8" - 6'
5’11" - 6'3"
6'3" - 6'7"


by PowerReviews
Niner Air 9 Rdo Carbon XTR Bike

(based on 1 review)

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Reviewed by 1 customer

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(0 of 3 customers found this review helpful)


great bike

By scott

from studio city, ca

Verified Reviewer

Comments about Niner Air 9 Rdo Carbon XTR Bike:

My brother in law let me ride his new niner and it is awesome. it is my next bike after I give up the hardtail specialized 29er

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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.