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Niner Air 9 RDO 2 Star SLX Bike

Item #: BI241P03
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Niner Air 9 RDO will provide you with a high performance cross country hard tail that is stiff and very light. To begin, the Air 9 RDO is constructed out of high quality carbon fiber . The layup was computer generated and has been put under numerous stress tests. The Air 9 RDO features a tapered headtube for an incredibly stiff front end. The internal shift routing was designed for full length housing and simpliefies cable changes, while protecting cables from the elements.

The Niner Air 9 RDO had a minor facelift for the new season. The frame’s tube diameters were trimmed throughout, without reducing any of the RDO’s renowned strength or rigidity. The Air 9 RDO features the smaller PF30 shell which negates the need for an alloy insert, further saving weight. The rear brake mount is tucked inside the curving stays to distribute twisting forces evenly, permitting smaller caliper mounts and decreased wall thicknesses. The headset races in the headtube are now molded carbon.  As the name RDO (Race Day Optimized) implies, this is a race machine meant to put you on the top step of the podium.

Perhaps the most important aspect of the Air 9 RDO is that it features Niner’s Hardtail Geometry. Niner’s geometry has been verified over and over again by independent magazines, blogs, and reviewers. Whether you are climbing or descending, the geometry of the Air 9 is tuned for excellent handling and rider positioning.

The Niner Air 9 RDO SLX build features high end components at a more affordable price. The RockShox SID RL features a tapered alloy headtube, external rebound and lockout, and a 15mm maxle. American classic Terrain wheels were built to take the stresses of the cross country trail, without tipping the scale. Ten speed Shimano components liter the bike throughout. Shimano SLX shifters work seamlessly without Shimano SLX derailleurs and the Shimano Deore crankeset to create smooth and reliable shifts. The WTB Volt saddle features custom Niner graphics with maximum comfort in its weight class. The Niner Air 9 RDO carbon was designed to be the ultimate cross country mountain bike. It’s light, fast, and efficient.



RockShox SID RL, Tapered Alloy, 100mm, 15mm Maxle


American Classic Terrain, 15mm front, QR 135mm rear


Schwalbe Racing Ralph 2.25” Tires


Shimano Deore M596 180/160mm Rotors


Shimano SLX M670


Shimano SLX M670 10 speed

Rear Derailleur

Shimano SLX M670 SGS Shadow Plus 10 Speed

Front Derailleur

Shimano SLX M671 10 speed 34.9


Shimano Deore HG62 11-36 10 Speed


Shimano HG-74 10 Speed


Shimano Deore M590 42/32/24- 175mm

Bottom Bracket

Shimano Deore


WTB Volt Sport, Niner Graphic


Niner Alloy Seat Post, Red Graphic


Niner Flat Top Alloy, Red Graphic


Niner Alloy Stem, Red Graphic

Please Note: The geometry chart shows both 80mm and 100mm forks. The fork is shipped with a 100mm fork.

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Get free shipping with your $50 purchase today when you choose Standard Shipping at 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

Due to manufacturer restrictions, this product cannot be shipped to the following locations:
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  • Yemen
  • Zambia
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Free Shipping Offer

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.