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Niner RKT 9 RDO 2-Star SX Eagle V2 Mountain Bike: Hit the trail without a hit to your wallet. Thanks to SRAM's outstanding SX Eagle drivetrain and our 2-star build kit, we extract every ounce of RKT 9 RDO performance at an affordable price level.
- Niner alloy wheels, 25mm inner width
- SRAM Level brakes
- FOX 34 Float Rhythm GRIP EVOL fork, 100mm travel
Race-ready yet trail-capable, this RKT is ready for launch. Niner Bikes has always been about maximizing the speed, efficiency, and precision that 29-inch wheels offer. Now ready for liftoff, this all-new launch vehicle is our line-leading cross-country full suspension bike. Updated with Niner’s patented 100mm CVA suspension system, remote front and rear lockouts, and contemporary race-ready geometry, the newest iteration of our RKT 9 RDO packs efficient pedaling prowess and corner carving capability into a World Cup worthy package.
Chasing the Record Known TimeDesigning the RKT 9 RDO, our product team deliberately focused first on race features. The frame is light and stiff, thanks to Niner’s RDO carbon fiber construction. The frame is made with a no-frills focus for fast flights into orbit. The geometry is aggressive and agile, for quick course corrections at escape velocity speeds. And the suspension travel is short and efficient, with handlebar remote lockout for instant, extra rocket booster power if needed. Yet, we all know that not all space missions are made in the name of science. For those riders who focus instead on fun laps into low-earth orbit, the updated RKT 9 RDO is built for versatility and a playful, trail-friendly attitude. Responding to many riders’ requests for capability in the face of any feature, and also accommodating the technical demands of modern cross-country racecourses, a geometry flip chip allows for more relaxed frame angles. Clearance to fit wide, 2.5” tires and a 120mm suspension fork expands the universe of possibilities. The seat tube fits a dropper post, and the long, low-slung frame is made for stability at atmospheric reentry speed.  Racing to the edge of the universeThe RKT 9 RDO is a race bike, first and foremost. Blasting off from the start line, 100mm CVA suspension is made to send every ounce of thrust directly to the rear wheel. And remote front and rear suspension lockouts can be deployed for even more efficiency as needed. Achieving escape velocity has never been easier. In-flight vector adjustments are easy, thanks to the aggressive, agile frame geometry. A 68-degree head tube angle keeps the sharp end tracking accurately and the 75-degree seat tube angle keeps the pilot positioned optimally for maximum power. Of course, the RKT 9 RDO is built from Niner’s own Race Day Optimized (RDO) carbon fiber. With careful application of the fiber layers and internal molds to maximize compaction of the carbon and resin matrix, Niner RDO frames are light, stiff and strong. They also exhibit comfortable ride characteristics in the face of burning, lactic acid race efforts and supersonic reentry turbulence alike. A launch vehicle is only as good as the payload it can carry. With that in mind, we included two full size water bottle mounts in the main triangle. There are also threaded accessory mounts on the top tube for extra fuel, mission-critical cargo, supplemental oxygen, or a repair kit.  “Trail Country” CapabilityNot everyone is afflicted by uncontrollable lust for lofty podium landings. Some of us just want to blast up to the mesosphere then point it earthward and let gravity take over. When you’re partying the whole way down, a fun fuselage makes all the difference. Most of us Ninerds are nothing if not FUN. The RKT 9 RDO was designed with features to keep jorts-wearing thrill seekers equally as happy as our slender, spandex-wrapped racers. This bike sports “trail-country” features like clearance for 2.5-inch tires, a flip chip to slack out the geometry by a half degree, and a short, straight seat tube that’s well-suited for a dropper post. CVA suspension tuning is made for efficient pedaling, but not at the cost of downhill performance. The trunnion mount shock aids lateral stiffness and keeps the suspension articulation smooth and supple off the top. The frame is even made to accept a 120mm suspension fork for riders wanting high-speed hijinks during planetary reentry. If flannel and denim is your uniform, and your racing goals are focused on fun first rather than finishing first, this RKT 9 RDO is a launch vehicle you can love
On every Niner Bikes full-suspension frame, Enduro Bearings MAX black oxide bearings are inside every pivot point. Niner is one of the only brands using these high-grade pivot bearings.
Designed specifically for suspension pivots, Enduro Bearings pioneered MAX type bearings 20 years ago for bicycles to address the unique challenges associated with mountain bike pivots. Mountain bike pivots only cycle 60-100 degrees on average, rather than making full rotations. Plus, they have to manage high load stresses.
Why Enduro MAX Black Oxide?Enduro MAX bearings offer 35-40% more load capacity than standard radial bearings. Standard radial bearings use a retainer to separate the balls. MAX-type bearings are filled with the maximum number of balls to increase the load capacity. The race grooves or ball paths are deeper for added lateral support and the multiple forces associated with mountain bike pivots. LLU seals give the maximum barrier for sealing out the elements, and keep the Almagard Extra High-Pressure grease inside. To further increase longevity a Black Oxide treatment is added to the bearing races. Black Oxide treatment adds a magnetite finish improving the hardness and overall life of the bearing. After treatment, the ball paths are polished to offer the smoothest ball path. This treatment is corrosion resistant to further stabilize the bearing.
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Specs & Information
- FRAME NINER RDO CARBON FIBER, 100MM CVA SUSPENSION, ALUMINUM ROCKER LINKS, ENDURO MAX PIVOT BEARINGS
- FORK FOX 34 FLOAT RHYTHM GRIP EVOL, SWEEP ADJUST, 100MM, 110X15MM, 44MM OFFSET
- SHOCK FOX FLOAT DPS PERFORMANCE EVOL 3 POSITION
- TUBES / SEALANT STANS NO TUBES SEALANT (2 X 2OZ BOTTLES)
- FRONT WHEEL NINER ALLOY, 25MM INNER WIDTH, 110X15MM
- REAR WHEEL NINER ALLOY, 25MM INNER WIDTH, 148X12MM
- FRONT TIRE SCHWALBE RACING RAY EVO SUPER TERRAIN TLE ADDIX SPEEDGRIP 2.35
- REAR TIRE SCHWALBE RACING RAY EVO SUPER TERRAIN TLE ADDIX SPEED 2.35
- BRAKES SRAM LEVEL
- BRAKE LEVERS SRAM LEVEL
- BRAKE ROTORS 180/160MM G2CS ROTORS
- CHAIN SRAM SX EAGLE 12SP
- FRONT SHIFTER N/A
- REAR SHIFTER SRAM SX EAGLE 12SP
- FRONT DERAILLEUR N/A
- REAR DERAILLEUR SRAM SX EAGLE 12SP
- CASSETTE SRAM PG 1210 11-50T
- CRANKSET SRAM X1 1K EAGLE DUB, 32T
- BOTTOM BRACKET SRAM DUB PF30
- SADDLE NINER CUSTOM TR WITH CR-MO RAILS, PRINTED NINER GRAPHIC
- SEATPOST NINER ALLOY SEAT POST, 400MM, NINER GRAPHIC
- HANDLEBAR NINER FLAT TOP ALLOY, 780MM, NINER GRAPHIC
- STEM NINER ALLOY STEM, NINER GRAPHIC (XS/S/M- 60MM, L/XL- 70MM)
- HEADSET NINER INTERNAL ZS SHIS DESCRIPTION ZS44/28.6|ZS56/40
- GRIPS NINER GRRRIPS L/O NYLON SOFT COMPOUND
- APPROXIMATE WEIGHT 28.5 LBS
- RIMS/WHEELS NINER ALLOY, ALUMINUM CLINCHER, 25MM INTERNAL WIDTH
- HUBS NINER BOOST, 6-BOLT
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