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Niner JET 9 RDO Carbon Mountain Bike Frame - 2014

$1,999.00 $2,899.00

Item # NNR0028 31% Off

5 5

Community Rating | 6 Reviews

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Item # NNR0028

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Description

Ready to take off.

When the JET 9 RDO Carbon Mountain Bike Frame first kicked dirt into the eyes of cynics, it broke every preconceived opinion of ultralight full-suspension 29ers. It also marked RDO as a true, no-holds-barred quality designation. And since the introduction of the Race Day Optimized JET 9, Niner's added components, a hardtail, and a mid-travel full-suspension to the lineup, placing Niner well ahead of the 29er-super-bike curve.

Where the hardtail AIR 9 RDO is going to be a sprinter's favorite, and the full-suspension RIP 9 RDO is an enduro and backcountry racer's dream, the JET 9 RDO is a cross-country marathon machine. 100mm of lauded CVA suspension combined with one of the most refined and technically advanced carbon chassis to date, has resulted in a package that possess a mountain of high-speed potential.

What you're looking at is not just a feathery, eye-pleasing frame, you're looking at hundreds of hours of 29er-specific research and development. Niner turned this R&D into an optimized carbon monocoque structure by using the latest in computer modeling to explore every conceivable option. Then, after accumulating hours and hours of prototype-fatigue testing at both in-house and independent testing facilities, Niner places the protos under highly skilled, enthusiastic, and abusive riders. The results are clear -- take a look at the bottom bracket area; massive and menacing. It houses the new BB30 PressFit standard, a direct-mount front derailleur interface, the shock mount, and mounts for the lower forged aluminum linkage. This packaging focuses dynamic forces into a central area where the carbon structure is tuned for heightened strength and efficiency. It also results in a lower center of gravity, where the 29er's advantage of a lower BB-height in relation to the axle center line is heightened for a truly lively handling on trails crowded with tractor-trailers.

Adding to the JET 9 RDO's pinpoint and enthusiastic handling are details like a tapered head tube, 12x142mm rear spacing, and angular contact bearings. The combination of stiff rear and front triangles connected with high tolerance, high-load bearings results in a flex-free chassis with excellent trail manners. Other bonuses are that it allows the CVA suspension to move freely through its travel, and it also prevents side loading on the Kashima coated Fox Float CTD. If you're unfamiliar with Niner's Constantly Varying Arc (CVA) suspension system, it's not an existing 26 inch-wheeled platform adapted to 29ers. Instead, Niner started with a clean sheet, which meant it could tweak the links and pivots to enhance the ride for big wheels. They placed the extra stiff carbon upper and CNC'd alloy lower links in positions that isolate pedaling forces, while remaining fully active under every conditions.

Notice that the alloy lower link sits below the bottom bracket, this places the CVA's instant center in a virtual position located ahead of the drivetrain, causing chain tension at the rear axle to pull the two linkages in opposite directions. This effectively isolates the drivetrain from the rear triangle. So, when you press on the pedals, nothing's lost to compressing the suspension, and you won't suffer any kickback from chainstay growth when pedaling through rock gardens.

Another key feature of CVA is its low ratio of shock stroke to suspension movement. This decreases the amount of preload needed, which translates into smooth, effective damping and less drag on shock seals. Differing Niner's CVA design even further from its competitors are its super-short chainstays. This is possible because CVA doesn't inhibit front derailleur placement or operation, something that plagues full suspension 29ers by forcing excessively long chainstays. Short chainstays are vital to full-suspension 29ers, directly affecting their ability to easily negotiate tight switchbacks. Because the rear tire's tucked under the rider, the Jet 9 RDO remains planted when carving turns, and it's highly maneuverable in technical situations.

To complement the JET 9 RDO's impeccable proportions is internal cable routing, and to ensure that its carbon finish stays fresh is a molded chain-slap protector. It uses a post mount rear disc brake, and a 31.6mm seatpost. For those of you who intend on running a one-by drivetrain, such as SRAM’s XX1, the JET 9 RDO will clear up to a 38t ring, with a 168mm Q Factor crankset.

The Niner Jet 9 RDO Carbon Mountain Bike Frame is available in the color Niner Green and in five sizes from X-Small to X-Large.

Tech Specs

Frame Material:
carbon fiber
Suspension:
CVA
Pivot Type:
angular contact bearings
Rear Travel:
100 mm
Rear Shock:
FOX FLOAT CTD Adjust Kashima
Recommended Fork Travel:
100 - 120 mm
Rear Axle:
12x142 mm thru-axle
Head Tube Diameter:
1.125 x 1.5 in
Bottom Bracket Type:
PressFit BB30
ISCG Tabs:
no
Front Derailleur Mount:
direct-mount
Derailleur Pull:
top
Seatpost Diameter:
31.6 mm
Cable Routing:
internal
Replaceable Rear Derailleur Hanger:
yes
Compatible Components:
Shimano, SRAM
Recommended Use:
trail riding
Manufacturer Warranty:
5 years on frame

Geometry chart

Niner Bikes

Geometry Chart

 

Jet 9 RDO and Jet 9 Carbon
100mm Travel Fork
 Seat Tube
(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Stand Over

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Drop

(BBD)

Chainstay

(CS)

Wheelbase
XS 15.0in 22.0in 23.2in 15.5in 26.5in 3.9in 71.0 deg 74.5 deg 1.4in 17.9in 42.8in
S 16.0in 22.8in 23.6in 16.1in 27.2in 4.3in 71.0 deg 74.5 deg 1.4in 17.9in 43.5in
M 18.0in 23.4in 24.1in 16.6in 28.1in 4.7in 71.5 deg 74.5 deg 1.4in 17.9in 43.9in
L 20.0in 24.2in 24.4in 17.5in 29.1in 13.0in 71.5 deg 74.5 deg 1.4in 17.9in 44.9in
XL 22.0in 25.0in 25.0in 18.1in 30.2in 5.7in 71.5 deg 74.5 deg 1.4in 17.9in 45.7in
120mm Travel Fork
 Seat Tube
(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Stand Over

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Drop

(BBD)

Chainstay

(CS)

Wheelbase
XS 15.0in 22.1in 23.5in 15.1in 26.7in 3.9in 70.0 deg 73.5 deg 1.1in 17.9in 43.0in
S 16.0in 22.8in 23.9in 15.7in 27.4in 11.0in 70.0 deg 73.5 deg 1.1in 17.9in 43.8in
M 18.0in 23.5in 24.3in 16.3in 28.4in 4.7in 70.5 deg 73.5 deg 1.1in 17.9in 44.2in
L 20.0in 24.3in 24.7in 17.1in 29.3in 5.1in 70.5 deg 73.5 deg 1.1in 17.9in 45.2in
XL 22.0in 25.1in 25.3in 17.7in 30.4in 5.7in 70.5 deg 73.5 deg 1.1in 17.9in 46.0in

Niner Jet 9 RDO Geo

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Niner JET 9 RDO Carbon Mountain Bike Frame - 2014

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Here's what others have to say...

5 5

XC Racer

  • Familiarity: I've put it through the wringer

I picked on of these up to replace my XC hardtail and what a race machine. While a hardtail is supposed to be the ultimate in efficiency, I was actually faster on this bike both up and down because of the continued contact between the tire and the trail. I've owned the SC Tallboy, the Pivot 429c, and the Trek Superfly 100 and this bike is hands down the best climber of the bunch. Downhill, the bumps felt a bit harsher than the other brands as the platform is designed for racing, but it didn't seem to slow me down (and its still faster than a hardtail).

I love to talk suspension and have owned or put serious miles on every XC 29er we sell so let me know if you have any questions or I can help with an order.- Adam 801-736-6396 x 5630 or email adewitt@competitivecyclist.com

XC Racer
5 5

Fantastic Riding Frame!

  • Familiarity: I've used it several times

Been on a few rides on my new Niner Jet 9 RDO build, and WOW, what a smooth ride. Frame/linkage is stout, doesn't "wiggle" around under tough climbs or when standing on the pedals hard. Just a wonderful frame to ride.

Wes B. was a great salesman, helped me thru several changes to my build. Can't thank you enough Wes!

Fantastic Riding Frame!

Has anyone put a 130mm or 140mm fork on a...

Posted on

Has anyone put a 130mm or 140mm fork on a Jet9?

Responded on

Feldy,

This bike is designed as a XC race machine. Its fast, very fast, but at a sacrifice of a bit of plushness. Compared to the Tallboy and 429c I've owned, this frame rides much more rigid making it a good compromise between a hardtail and a FS bike. This being said, I wouldn't suggest a fork longer than 120mm. If you're looking for something more aggressive, maybe look toward the RIP9 model from Niner or something like the tallboy, 429C, Ripley, or SB95.

If you have any questions or would like help building one up, feel free to give me a shout- Adam 801-736-6396 x 5630 or email adewitt@competitivecyclist.com

5 5

Fast!

Ive had the opportunity of riding this bike several times and I must say its one of the best race bikes on the market.There is a reason why the backcountry.com race team chose this bike as their go-to race machine.-- Lightweight and responsive, it really handles tight, twitchy single track with ease yet comfortable enough to do longer, epic rides with your buddies on the weekends. It also is an extremely fast climber and the CVA suspension doesn't allow pedal bobbing,making a for a nice stiff platform to really hammer power on. Set these attributes aside, it looks really good too and sure to turn heads on the trail. If you have the means I highly recommend picking one up.

** Ive put together a couple of different packages to maximize the highlights of this bike. Contact me direct for info
801-736-6396 x 4074 or wbranham@competitivecyclist.com

Fast!
5 5

A great fit for smaller riders.

  • Familiarity: I've used it several times

As a small rider (5' 2") I've encountered difficulties in finding frames small enough to fit. With Niner's new XS frame option, it's no longer an issue as the frame fits beautifully. Also, the bike looks like it fits me. There's plenty of stand-over for shorter riders which means I'll actually have a seatpost . The CVA suspension design is the first I've ridden that truly isolates your pedaling from bumps in terrain which means it climbs extremely well while still remaining active. Plus, the larger wheels and quick handling mean you can really let it rip on the downhills. I've been riding and racing mountain bikes for years but the Jet 9 RDO will really enable me to make strides in my descending this year. Race build came to 21.6lbs.

A great fit for smaller riders.
5 5

the "send it" of xc bikes

  • Familiarity: I've put it through the wringer

I'm a fan of party in the front, business in the back. The Jet 9 RDO with a 120mm fork is the perfect setup for this bike, especially when matched with a stiff set of wheels like the Enve XC rims. It rides like and XC bike uphill - meaning fast and without bobbing around, but where it really surprises me is going down - tight switch backs, root to rock double jump gaps, whoops, rock garden step downs, you name it - I'm having far too much fun for a bike this light. None of this would be possible if the linkage was flexing and putting the bike in two different ruts at once. Its the tightness of the bike, the overall zero-slop build quality that really impressed me on the first ride.

Responded on

Jason are you riding a Med or Lg frame? Whats the build weight?

"Race Day Optimized"

"Race Day Optimized"

Posted on

This frame is truly RDO. While its not the smoothest or most comfortable 29er I've owned, It's definitely the fastest. To me, The CYA suspension rides like a hardtail but takes the edge off the largest bumps. I found I needed about 10% sag to keep from harsh bottom outs but after some research the shock is set of lighter riders. If you're average to large, do yourself a favor and tune the rear shock with a volume reducer kit (cause air pressure to ramp up faster)

4 5

RDO

  • Familiarity: I've put it through the wringer

I wouldn't consider this a Race Day bike but it is amazing. The suspension works really well and is super smooth. My 2013 frame has the cable stop head badge (Dislike) but the new frame has fixed this problem. My only quam really is the weight. My bike with XX1 and SLR wheels is close to 24lbs.

RDO
Responded on

Curious what the difference is in the head badge/cable routing for 2014. It looks the same? if you have any experience with 27.5 setups, how would you compare the ride of this particular 29er to 27.5 or other 29ers for someone who wants maneuverability and more of an XC setup like this offers?

Responded on

Dang, I had a very long detailed response and the website blocked it.... Here's my short. I really like this frame. The routing for mid 2013 and 2014 should be the same (fully sealed housing). I personally wouldn?t call this a race bike but it is very capable. It isn't as maneuverable as my Cannondale (feels like the back end is a little longer)... I wouldn't ride/race anything but a 29er, unless I was paid to. The RDO is very plush and I really like the feel. Test one if you're under 5'-5", you may not like the wheel size. All in all, I really like it. It's a keeper for me, just not a pure race bike.

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