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  • Niner RDO Mountain Bike Frame - 2017
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NinerRIP 9
RDO Mountain Bike Frame - 2017
Sale 45% Off$1,760.00 $3,200.00

Item # NNR005S

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Item # NNR005S

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It may have the same name as its predecessor, but the 2017 Niner RIP 9 RDO Mountain Bike Frame went in for some serious upgrades before stepping into the limelight. Dropping with a slacker head tube, steeper seat tube, longer top tube, stubbier chainstays, and a deeper suspension, the new RIP 9 RDO bridges the gap between its trail heritage and enduro aspirations to settle firmly into all-mountain territory. And surprisingly, given Niner's historic dedication to the eponymous 29er, the frame now boasts compatibility with both 29in and 27.5+ wheels so you can choose the size that best fits your riding style.

In addition to the geometry tweaks, the new RIP 9 gains a heap of versatility with the introduction of Boost axle spacing. Boost spacing makes for stiffer wheels, which wagon wheels are uniquely qualified to benefit from, but it also opens up a world of options throughout the rear triangle. By pushing the rear axle out to 148mm, Niner was able to finagle enough clearance at the bottom bracket to shorten the chainstays by 11mm and sharpen the seat tube angle by two degrees. These subtle changes make the rear triangle that much more responsive to input while also pushing the bike's engine (read: you) up over the pedals.

The stubby stays keep the bike agile, but the slack-ish head tube means the RIP 9 RDO also revels in attempts to flatten everything in its path—or at least bailing you out when your lines start to get a bit too ambitious. Depending on the fork and wheels you pair it with, the Rip 9's front end can hit as low as 66.5 degrees. Its longer top tube pairs well with a short stem and wide bar to keep handling on-point, despite that low head tube angle, so you can always fall back on those short stays to navigate stretches of especially technical terrain.

There's obviously oodles of new radness with the RIP 9 RDO, but two things remain pleasantly unchanged: The Race Day Optimized (RDO) construction method and the Constantly Varying Arc (CVA) suspension design. RDO involves a dual-compression process that eliminates resin pooling and imperfections by allowing precise control over wall-thickness. Reducing imperfections makes for a more structurally sound frame, and the targeted control over lay-up and wall thickness lets Niner reinforce the structure where it's needed and reduce material where it'll save weight without sacrificing stiffness. The result marks the nexus of low weight and efficient durability that's equal to trail abuse.

The new RIP 9 RDO's CVA suspension design is also unchanged, but it allows that design to play with 25mm more travel. This brings it up to 150mm—which parallels the WFO—and optimizes it for descending fast in hairy terrain while keeping it surprisingly responsive when you punch on the gas. Unlike other designs, CVA is optimized for the increased bottom bracket drop inherent in 29ers. It tends to ride high with a controlled mid-stroke that balances pedal input and suspension travel, keeping it stable through rock gardens and snappy when you stomp. It also jumps incredibly well; this is one wagon wheeler that’s very happy when it’s airborne.

The frame's finishing details are everything you'd expect from the obsessive designers at Niner, and our favorite new addition is the inclusion of a BSA threaded bottom bracket. PressFit shells may be lighter and more convenient, but the exact tolerances of a CNC-machined thread are unmatchable by today's composite technology. The threading means bearing cups install perfectly, reducing wear over time and helping to silence the creaks and groans that so often accompany PressFit models. Vulnerable frame bits are girded with titanium protection plates, and the frame also includes integrated battery storage in case you get the urge for electro shifting.

The revised axle spacing and geometry dimensions accommodate 29er tires up to 2.5in and, if you trade out for 27.5+ rims, the frame will max-out at 3in tires. Those changes also mean the frame is one-by only—front derailleurs need not apply.

  • The updated RIP 9 lands firmly in all-mountain territory
  • 6in CVA travel specifically designed for wagon wheels
  • Updated geometry climbs faster and drops-in with enduro style
  • RDO carbon lay-up reduces weight without sacrificing stiffness
  • Compatible with electronic drivetrain routing and battery storage
  • Accommodates both 29in and 27.5+ wheels
BuildTech SpecsGeometry
Tech Specs
Frame Material
RDO carbon fiber
Wheel Size
29in, 27.5+
Rear Shock
Fox Float X EVOL
Rear Travel
150 mm
Fork Travel
[recommended with 29in wheels] 160 mm, [recommended with 27.5+ wheels] 170 mm
Head Tube Diameter
1-1/8 - 1-1/2in tapered
Headset Included
Bottom Bracket Type
73mm BSA threaded
yes, ISCG 05
Cable Routing
Front Derailleur Mount
one-by only
Brake Type
post-mount disc
Seatpost Diameter
30.9 mm
Rear Axle
12 x 148mm Boost
Recommended Use
all-mountain, enduro
Manufacturer Warranty
5 years

160mm Travel Fork

a Seat Tube
b Effective Top Tube
c Stack
d Reach
e Stand Over
f Head Tube
g Head Tube Angle
h Seat Tube Angle
i Bottom Bracket Height
j Bottom Bracket Drop
k Chainstay
l Wheelbase

170mm Travel Fork

a Seat Tube
b Effective Top Tube
c Stack
d Reach
e Stand Over
f Head Tube
g Head Tube Angle
h Seat Tube Angle
i Bottom Bracket Height
j Bottom Bracket Drop
k Chainstay
l Wheelbase
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Solid Review from Bikemag

    "Make no mistake: the RIP will get you out of trouble should you get yourself into it, and riders who choose aggression over finesse will appreciate its endless appetite for hard hits. But it has the attitude of a long-legged trail bike that keeps an enduro bike hidden up its sleeve in case you need it."

    Lives Up To Its Name

    • Familiarity: I've put it through the wringer

    Big wheels go faster, there is no doubt about it. Couple that fact with a long and slack geometry and you have a machine that can tackle just about anything you throw at it.

    The Niner brand has always prided itself on working around the 29" wheel to create bikes that are capable, versatile, and just plain old fun to ride. With the advent of boost spacing, riders now have the option to swap in 27.5" + wheels to give a 4th dimension to their rides.

    When I threw a leg over this bike configured with the 29" tires at the Hurricane Mountain Bike Festival in Utah, I knew I had chosen well. We headed straight for the Gooseberry Mesa and South Rim Trail. This formidable system stretches nearly 10 miles across an unforgiving landscape. The large drops, squared edges, and rough and tumble sand stone were no match for this beast. It pummeled over everything and maintained a cat-like quickness.

    For the second ride I swapped in 27.5" + wheels and went to town merrily rolling over all obstacles in my path. Gobs of traction allowed for climbing some steep sand stone and I had a blast tearing it up. I returned home and promptly purchased one. Haven't looked back since

    The bike allows for you to get creative with line selections and embrace your wild side. We can build it up to your heart's desire and even find a back up set of wheels in the complimentary size to give your bike a whole new look and feel.

    You can reach out to me anytime :,

    801-736-6396 x 3596,

    Or Sean W. on chat

    Lives Up To Its Name

    RIPpin' it up!

    • Familiarity: I've used it once or twice and have initial impressions

    Coming from Fort Collins, CO I have always loved Niner. Hell, I went over the handle bars more in Fort Collins than anywhere else in the world... so not only is part of my heart out there, but probably some skin as well.

    The technical terrain out there, steep climbs and fun and rowdy descents are the perfect testing grounds for the R&D done by Niner to produce world-class bikes. They have stepped up their game over the past couple of years. Big time.

    I had the chance to demo my buddy's Rip 9 5 Star build the other day at the Moab Thaw and was extremely impressed. The bike was soooo lightweight, nimble and has enough travel to conquer anything you toss it's way. In fact, it just eats it all up. I was on the Santa Cruz Hightower last season and one thing that stood out to me in comparison is how well this bike climbs vs. the Hightower. I was also amazed at how well the bike descended. This beast chomps up technical descents and steep grades with surgical like precision. The RIP's updated geometry (blend of the older RIP and the WFO - their big travel enduro bike... rest in peace) truly excels in every riding condition and terrain.

    There wasn't anything I felt the bike didn't do well.... Across the board the bike absolutely RIPs it up!

    If you are thinking about your next bike. Stop here and seriously consider the new RIP. Reach out to me directly if you have any questions on sizing, build options or the different ___ star-level builds available.

    RIPpin' it up!