RDO CARBON COMPACTION SYSTEM
The Air 9 RDO’s sleek carbon frame design benefits from years of Niner engineering development, process improvement and testing – via both Niner’s in house test lab and independent resources – it began with our first race bikes in 2005, saw significant changes with the introduction of the first Air 9 RDO in 2012 and culminates in the minimalist and light RDO Carbon Compaction version we’ve designed for the 2015 racing season. The Air 9 RDO is beautiful from the inside out via Niner’s Carbon Compaction System. Now used throughout the Niner RDO lineup, this CCS utilizes rigid internal molds and results in tighter, more consistent compaction of the carbon layers, yielding increased precision in wall thickness and significantly reduced resin pooling in the final product, allowing us to aim for better ride tuning, increased strength and durability along with the significant weight reduction that results from a more efficient and precise process. Even with the addition of a rear maxle, the Air 9 RDO is over 100 grams lighter (one-quarter of a pound).
The shapes of our Air 9 RDO frame draw from our long history in carbon fiber design – in particular from our experience in building light, strong hardtails with velvet off road ride-quality. The rigid sides of our signature downtube and top tube shapes maximize torsional stiffness, with buttery smooth ride quality achieved via the flat sections on each tube, which act like leaf springs. Chainstay and seatstay shaping also benefits from our years of hardtail expertise – they are one hundred percent designed for weight savings and ride quality via a minimalist carbon layup that, because of our RDO carbon Compaction process, still meets the most rigorous standards for mountain bike safety.
Niner’s hardtail racing geometry is one that has has garnered multiple national championships via the original Scandium Air 9, a Singlespeed World Championship via the Air 9 Carbon and World Cup podiums and national series race wins via the Air 9 RDO. Though time tested, Niner’s geometry has not remained stagnant - it has seen continual refinements to account for new technologies and to accommodate new fork travel lengths, while still meeting EN Safety standards for increased forces. The new Air 9 RDO can safely accommodate forks with up to 120mm of travel, while maintaining the stable, precise steering and handling that lets your relax, be confident and focus on being fast.
The new Air 9 RDO is offered in the full range of Niner size options, from XS through XL. Smaller sizes have adjusted layup for lighter weight and avoid toe overlap.
C5 WARRANTY & SAFETY PROGRAM
Our robust R&D program—computer modeling, physical prototype testing (both in-house and at independent testing facilities), and hours of ride testing under highly skilled and abusive test riders leave us confident that the AIR 9 RDO is going to exceed your expectations in both weight and safety categories. We maintain that our carbon fiber testing and design rivals the best in the bike industry, meeting EN (European) standards for safety, even at longer fork travel lengths) We choose to demonstrate this commitment to your well being and to product durability via our C5 warranty (five year) and commitment to customer service.
PRESS FIT 30 BOTTOM BRACKET
The AIR 9 RDO utilizes the Press Fit 30 standard, the larger shell mates beautifully with the larger carbon downtube for elegant looks and efficient power transfer so crucial in a race bike. Additionally, this allows for the use of the stiffer, lighter crankset designs that fit the PF30 standard.
NINER RDO FORK
The AIR 9 RDO frame can be paired with any standard taper steer tube cross country fork from 100-120mm in travel. For the ultimate in light weight short track racing machines, pair it with Niner’s RDO Carbon fork. Niner’s award winning rigid carbon forks have set the standard for weight, ride quality and safety for years – we’ve used this experience to create an race fork with the off-road ride quality racers want. Fork stiffness prevents energy robbing brake rub and the thru axle plus taper steer tube combo ensures precision cornering on the toughest of courses.
DETAIL & FINISH
The AIR 9 RDO frame details benefit from the same iterative process that drives the overall design - the headbage is sleeker and lighter, the cable routing is direct and easy for team mechanics (or privateers) to maintain. Each of these small changes adds up to a huge difference for a rider that wants to keep focus away from maintenance and on the competition.
The Air 9 RDO is available in two finish options, both heavily influenced by the race-specific demands of the model. For the Niner Team livery, we’ve pared the paint down to the minimum and used a light satin clear coat for a protective layer. The stealth version sees the same treatment, but in an aesthetic best utilized in sneak attacks.
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