Niner AIR RDO 2-STAR MY23 SRAM SX EAGLE

Our flagship carbon fiber hardtail: AIR 9 RDO
Niner’s purest expression of light, stiff Race Day Optimized carbon fiber rules the racecourse. This efficient yet compliant frame makes the most of carbon’s unique properties to give you the best ride, no matter if you’re gunning for a podium or cruising local singletrack.

Hit the trail without a hit to your wallet, thanks to our 2-Star SRAM SX Eagle build kit. We extract every ounce of AIR 9 RDO performance at an affordable price level.

Exquisite engineering
Niner's history is rooted in the evolution of mountain biking. From the introduction of our first hardtail more than a decade ago, we've worked tirelessly to push the limits of what people think is possible when it comes to the construction, geometry and handling of premium bicycles. The [R]Evolution that began with the RKT 9 RDO continues with the new AIR 9 RDO. Your big wheel obsession is now faster and more refined.

Designed for the ride
The new AIR 9 RDO is our expression of the classic twenty-niner carbon hardtail. We've learned so much since the early days and applied that knowledge of geometry and materials to meet the ever-changing demands and riding styles of the modern mountain biker. The result? Our best race and high performance hardtail to date. The AIR 9 RDO embodies all the versatility, durability and performance you've come to expect from Niner.

This frame's identity is refreshed with a bold design aesthetic. Continuing the lineage that began with RKT 9 RDO, the strong, overbuilt shapes that define the front triangle are made for stiffness and pedaling efficiency. But to keep the ride smooth, sleek tubes along the length of the cockpit and seatstays are slender and subtly curved. Topping it off, a 27.2mm seatpost offers rearward flex to take the edge of bumps in the trail.

Have it your way
If ultralight simplicity, clean appearance (and a hard workout) are your jam, set up your AIR 9 RDO as a singlespeed. This frame is compatible with our BioCentric 30 bottom bracket system. You can set up your bike with a single cog and chainring, then tension the chain easily with our patented eccentric BB insert. We’ve been purist mountain bikers from the early days of 29-inch wheels and this frame has been one of our most popular for just this reason.

The PF30 bottom bracket shell gives us plenty of options with regard to drivetrain, no matter your preference. And if you run a geared drivetrain, internal cable routing is super sano and easy to maintain. Even better, this frame is ready for the future with ports to use Di2 electronic shifters.

RDO carbon fiber
Carbon fiber is common, but care, quality and attention to detail are not. Niner RDO carbon fiber is a cut above. We start with the best grades of raw carbon layered precisely according to the stress points on the frame structure. In construction, our process employs rigid internal molds and results in tighter, more consistent compaction of the carbon fabric. The result? Increased precision in wall thickness and reduced resin pooling in the final product. We can build more elaborate structures with better ride tuning, increased strength, outstanding durability, and less weight.

AVAILABLE FRAME SIZES: XS, S, M, L, XL

FRAME: NINER RDO CARBON FIBER, INTERNAL CABLE ROUTING, PF30 BB, SINGLE-SPEED COMPATIBLE.

SHOCK: N/A

FRONT WHEEL: NINER ALLOY, 25MM INNER WIDTH, 110X15MM

FRONT TIRE: SCHWALBE RACING RAY EVO SUPER TERRAIN TLE ADDIX SPEEDGRIP 2.35

BRAKES: SRAM LEVEL

BRAKE ROTORS: 180/160MM G2CS ROTORS

FRONT SHIFTER: N/A

FRONT DERAILLEUR: N/A

CASSETTE: SRAM PG 1230 11-50T

BOTTOM BRACKET: SRAM DUB PF30

SEAT POST: NINER ALLOY SEAT POST, 400MM, NINER GRAPHIC

STEM: NINER ALLOY STEM, NINER GRAPHIC

GRIPS: NINER GRRRIPS L/O NYLON SOFT COMPOUND

FORK: FOX 32 FLOAT RHYTHM GRIP EVOL, SWEEP ADJUST, 100MM, 110X15MM, 51MM OFFSET

TUBES / SEALANT: STANS NO TUBES SEALANT (2 X 2OZ BOTTLES)

REAR WHEEL: NINER ALLOY, 25MM INNER WIDTH, 148X12MM REAR

REAR TIRE: SCHWALBE RACING RALPH EVO SUPER TERRAIN TLE ADDIX SPEED 2.35

BRAKE LEVERS: SRAM LEVEL

CHAIN: SRAM SX EAGLE 12SP

REAR SHIFTER: SRAM SX EAGLE 12SP

REAR DERAILLEUR: SRAM SX EAGLE 12SP

CRANKSET: SRAM X1 1K EAGLE DUB, 32T

SADDLE: NINER CUSTOM WITH CHRO-MO RAILS, EMBOSSED NINER GRAPHIC

HANDLEBAR: NINER FLAT TOP ALLOY, 780MM, NINER GRAPHIC

HEADSET: NINER INTEGRATED SHIS DESCRIPTION IS42/28.6|IS52/40

APPROXIMATE WEIGHT: 24.1 LBS

*Niner bikes reserves the right to make substitutes or changes to bike assembly at any time without notice or warning.