niner bikes ROS 9From the press releases:

ROS 9 :

• ROWDY STEEL RADNESS FROM THE 29ER-ONLY MOUNTAIN BIKE COMPANY

• ZERO MM OF SUSPENSION IS EFFICIENT IN EVERY CHAINRING

• 44MM OS HEADTUBE IS COMPATIBLE WITH 120–140MM FORKS

• GEOMETRY IS SLACK AND LOW WITH EXTRA-SHORT CHAINSTAYS

• BIOCENTRIC II ENABLES PERFECT SINGLESPEED SETUP AND ALLOWS GEOMETRY FINE-TUNING

• FORGED FRAME DETAILS AND INTERNAL OR EXTERNAL DROPPER POST ROUTING

• 142MM X 12MM REAR SPACING

The hardtail for riders that don’t like hardtails. No twitchy high-posting around features you would hit on your “real” bike. No need to back off because your XC racing head angle prevents solid roosting. The ROS 9 won’t judge your lines – it lets you write checks your skills might not be able to cash, and what is more exhilarating than that? Short chainstays, slack head angle, and oversized headtube nourish these Roots of Steel – all with the ability to tweak the geometry via the BioCentric II. Run this rig singlespeed, 1x or fully geared with a front derailleur if you roll that way. Remove the cable guides and front derailleur mount if you don’t. Stealth routing for the dropper post keeps the ROS 9 fresh and clean. Sorry, the ROS 9 is not compatible with heart rate monitors or training plans but it will certainly earn you some PRs when you do your part keeping the rubber side down. Ride Over S*!t – The new ROS 9 injects hardtails with a huge-ass dose of fun.

WHAT MAKES THE ROS 9 TICK? 

The 4130 Cro-Mo tube set of the ROS 9 is the trusted standard for durability and ride quality. Following the lines and design language of the SIR 9, these tubes have been beefed up to handle the abuse the ROS 9 is designed to shrug off. The super-short chainstays provide a lofty front end feel while the slack headtube angle keeps the front end composed at Mach Loony speeds. A neutral BB height can be made low or high to slay YOUR trails by positioning the BioCentric II where it will do the most good.

Construction details abound – We borrowed the unique dropout design we developed for the SIR 9 to allow 142x12mm Maxle use and house the stout alloy derailleur hanger. The dropout designs allow the chain stays and seat stays to be welded at any angle and provide far more surface area for a full weld around the tube’s end. The front derailleur hanger is removable with an alloy cover. Internal dropper post routing is optional, another alloy cover closes the port if you choose not to use it. Externally routed dropper posts utilize mounts under the top tube. Tabs under the bottom bracket shell accept an proprietary MRP XCG bash guard for optional extra protection. Full-housing cable routing for front and rear derailleurs using Niner’s bolt-on double housing clamps along top and down tubes complete the versatility. If you don’t need the guides, take them off and enjoy the clean look of the frame in singlespeed mode.

OVERSIZED HEADTUBE 

The oversized headtube of the ROS 9 allows the use of tapered fork steerer tubes that measurably reduce fork deflection, which means your Niner tracks straight and true. The full spectrum of riders from xc racers to all mountain shredders benefit from these features which is why we incorporate the technology in all our new frames. The ROS 9 Lets you take full advantage of increased steering precision as you get yourself into trouble.

BIO-CENTRIC II BOTTOM BRACKET SYSTEM 

The Niner BioCentric II makes adjustments easy across a wide range of gears and eliminates the need for adjustable dropouts, giving the cleanest possible solution for singlespeed use. No bolt on hubs, no chain tensioners cluttering your ride, no brake adjustments with gear changes. Additionally, BB positioning allows fine-tuning of geometry. Want shorter chainstays? A lower BB? Steeper or slacker seat angle? It’s all achievable with the BioCentric II.

Greater Range – The BioCentric II offsets the bottom bracket spindle 8.5mm from center, offering greater range of adjustment compared to a traditional EBB setup. More offset is a boon when changing gears without having to change chain length and it allows riders to make more noticeable changes to frame geometry.

Reliable Function – Traditional EBB units are held in place with set screws that can become difficult to finely adjust over time, or expansion wedges that can deform the bottom bracket shell of the frame. Split bottom bracket shells that clamp an EBB can stretch or ovalize. The Bio-Centric II avoids these troubles by using two bolts to apply a clamping force on the outside edges of the BB shell, eliminating the possibility of ovalizing or indexing the shell.

ROS 9 SPECIFICATIONS & COMPATIBILITY 

• 73mm BB width (with BioCentric II installed)

• BioCentric II is compatible with external bearing cranksets only

• Direct mount front derailleur, high mount, top pull, removable front derailleur mount

• Tabs under BB shell for custom MRP XCG Bash Guard – available separately at www.ninerbikes.com

• 31.6mm seat post size, compatible with internal and external dropper post routing

• 34.9mm seat collar size

• 44mm headtube. Tapered headset with internal (ZS) top cup and 1.5” external bottom cup (included with frame). Cane Creek standard description: ZS44/28.6|EC44/40

• All sizes have one bottle mount in the front triangle

• Replaceable derailleur hanger or SS insert

• 142 x 12mm Maxle rear spacing

• Can fit up to a 2.35” tire (tire size varies by brand, some tires may not fit)

• Compatible with most standard 1x, 2x and 3x chainring systems.

• Max 1x chainring size 32T with BioCentric II in rear position – Max 38T with BioCentric II in forward position.

MSRP $899 USD (frame, maxle, headset, geared/SS dropouts, and all cable retention hardware) and complete bikes are available as well.

niner bikes ROS 9

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 A PDF file for the new ROS 9 can be viewed here.

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JET 9 Airformed:

• AIRFORMED ALLOY FULL SUSPENSION FROM THE 29ER-ONLY MOUNTAIN BIKE COMPANY

• 100MM OF PATENTED CVA SUSPENSION IS EFFICIENT IN EVERY CHAINRING

• COMPATIBLE WITH 100–120MM FORKS

• TUNED FOR CVA – ROCK SHOX MONARCH RT3 HV

• ENDURO SEALED CARTRIDGE PIVOT BEARINGS ED

• FORGED SUSPENSION LINKAGE AND UNIQUE NINER ALLOY HARDWARE

• 142MM X 12MM REAR SPACING

Life is complicated enough from nine to five, what you do in your off hours should be simple – it’s time to hit the trail on the new Jet 9. Enter your first mountain bike race, visit that MTB mecca or just crush souls on the after-work ride. It’s the simple action of “doing” that’s important and that is why we created the new Jet 9. 

Serious good looks, lighter weight, more CVA travel, the Jet 9 has all the technical refinements that define an XC dominator. Carbon wonderbikes are great, but you’ll appreciate the new technologies that we utilize in our alloy frames, too. They are dream bikes within reach – Airformed alloy with as many custom details as our RDO line, something you can log big miles on, day in and out. Sound like a bike that you might want in the garage? Yeah, us too.

XC FULL SUSPENSION 

The Niner that loves putting the pedal to the metal – The JET 9 is for riders who like to get there sooner or ride just a bit further. With over 30 glowing media reviews for ride quality and handling – the new JET 9 takes these characteristics and ups the ante with increased travel, a 142x12mm rear end and airformed aluminum alloy tubes that redefine performance and reduce frame weight.

CVA™ SUSPENSION 

The JET 9 features Niner’s patented CVA suspension (U.S. Patent No. 7,934,739) and delivers 100mm of fully active travel with superb compliance and damping via a tuned for CVA RockShox Monarch RT3 HV shock. For those seeking the technical advantages of 29” wheels combined with pedaling efficiency across all chainring combinations (not just the middle ring), CVA™ is the front-runner. The result? A faster, smoother ride up and down the trail.

VERSATILE GEOMETRY 

To achieve maximum efficiency you need predictability, balance and nimble handling. Niner is the company that helped make fun and fast 29ers a reality. Climbing or descending, the geometry of the JET 9 is tuned to keep you in control and ready to conquer new terrain at every turn. The JET 9 is intended for 100 to 120mm forks, allowing riders to further fine tune the ride.

AIRFORMED TUBING 

The new JET 9 frame sheds approximately 1/4 pound from the last model. To achieve this reduction and actually increase strength we looked beyond traditional hydroforming. Shaping the frame tubes with compressed air in a heated mold gives us greater control over wall thickness and material uniformity, allowing the use of less metal. Tubes that are manipulated using this process can be up to 25% lighter than a similar hydroformed shape at the same strength.

TAPERED HEADTUBE 

The increased surface area of a tapered headtube allows for a larger downtube, increasing strength and rigidity at this critical intersection. Tapered fork steerer tubes measurably reduce fork deflection, which means your Niner tracks straight and true. The full spectrum of riders from XC racers to All Mountain shredders benefit from these features which is why we incorporate the technology in all our frames.

ATTENTION TO DETAIL 

From the head tube to the rear axle, we looked at every single detail and asked “can it be done better?” We’ve revised the shapes of the forged yokes and attachments, subjecting them to mechanical and real world testing to ensure they’re as light and strong as possible. New linkage shapes increase strength and stiffness and shed a few more grams, the lower link has a pronounced asymmetrical form to increase chainstay clearance. Saving weight doesn’t mean skimping – pivots are still outfitted with Enduro Max full complement sealed cartridge bearings for smooth, friction-free suspension.

JET 9 SPECIFICATIONS & COMPATIBILITY 

• PF30 Bottom Bracket Shell (73mm width)

• Shock size: 7.5”(190mm) x 2.0”(50mm) – 4”(100mm) travel

• Shock mounting hardware width: 22.2mm x M6

• Shock SAG: 25% (which will move the o-ring 12.5mm down the shaft)

• 30.9mm seat post, 370mm length recommended, compatible with external routing dropper posts

• 34.9mm seat collar

• S3 (low) direct mount front derailleur, top pull

• 1.125”- 1.5” tapered headtube with integrated (Campy style) headset (headset included) Cane Creek standard description: IS42/28.6|IS52/40

• Enduro Max sealed bearings – (8x) 22x10x6mm

• 142x12mm rear spacing

• Extra Small has one bottle mount under the downtube. Small, Medium, Large and XL have one inner triangle bottle mount and one under the DT bottle mount.

• Can fit up to a 2.35” tire (tire size varies by brand, some tires may not fit)

• Compatible with most standard 1x, 2x and 3x chainring systems.

MSRP: $1849 (frame, shock, and rear maxle) and complete bikes are available from Niner as well.

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 A PDF file for the Airformed JET 9 can be viewed here.