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Wide, Full Open

Our enduro-ready, long-travel 29er brings 170mm of wheel travel to slay any singletrack, yet ascend uphills with Niner’s signature CVA suspension efficiency.

Find Your WFO 9 RDO

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King of the mountain

For over a decade, the RIP 9 trail bike has ruled Niner’s off-road lineup. This latest evolution of our flagship 140mm 29er is ready to tame any trail.

Find Your RIP 9 RDO 29

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Fit to take flight

Merge XC efficiency with trail bike capability, thanks to lightweight RDO carbon and 120mm of supple CVA suspension travel.

Find Your JET 9 RDO

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Rocket Powered

With 100mm CVA suspension and contemporary, modern geometry, this is our featherweight, cross-country race-ready launch vehicle.

Find Your RKT 9 RDO

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Elevate your ride

Light and bright, our signature RDO carbon fiber hardtail rules the racecourse.

Find Your Air 9 RDO

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To AIR is human

Cross-country quickness with a tough guy trail bike attitude, available in this accessible aluminum hardtail.

Find Your Air 9

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Steel is real

Made from Reynolds 853 steel and a 120mm fork for all-day epics, multi-day missions, and backcountry exploration.

Find Your Sir 9

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Magic Carpet Ride

Go gravel riding farther and faster with high performance, full suspension.

Find Your MCR 9 RDO

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Road Less Traveled

Premium RDO carbon fiber and a full feature set forms the most compliant, lightweight, and versatile gravel bike ever made.

Find Your RLT 9 RDO

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Overland explorer

Comfort, durability, and confidence from Reynolds 853 steel, with a full suite of gravel-ready features.

Find Your RLT 9 STEEL

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Less is more

For overlanders, explorers, and dreamers, a fully featured aluminum gravel bike to get you there and back.

Find Your RLT 9

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RIP e9 - Ride more, go farther.

Power past whatever holds you back. With smooth Bosch power, long range, and 150mm travel, this 29er is your dirt-riding difference maker.

Find Your RIP e9

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WFO e9 - No shuttle? No problem.

Access the toughest terrain under your own power. Extended range, exceptional Bosch power, and 180mm of travel for the rowdiest lines.

Find Your WFO e9

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RLT e9 - Overland adventure vehicle.

A shapeshifting, multipurpose e-gravel bike for any adventure.

Find Your RLT e9 RDO

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Your build starts here

Start your dream build here.

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Your build starts here

Start your dream build here.

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Built for the ride

Dial in your bike from top to bottom with our signature components.

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Ready for action

Frame bags, fenders, and all the final touches to personalize your rig.

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Don’t sweat the small stuff

We have you covered with derailleur hangers, pivot parts, and frame fittings.

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Dress for success

Join the Niner community with tees, hats, and logoed ride wear.

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Apparel

Niner threads for on the bike or out on the town.

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Accessorize your adventure

Add Niner to your car, campsite, office, or anywhere else you can imagine.

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On sale, limited quantities

Add Niner to your car, campsite, office, or anywhere else you can imagine.

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Constantly Varying Arc

Learn all about our patented, proven suspension system.

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Race Day Optimized

Our carbon fiber formula results in lighter, stiffer, and stronger bikes that last a lifetime.

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Singlespeed, simplified

Niner’s own BB system makes it easy to go geared-up or gear-free.

You can’t stop the metal

We keep it real with our steel, so you can slay the miles with smiles.

Learn About Reynolds 853

Enduro Pivot Bearings

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.

From idea to actual

All our designs originate in-house. We’re control freaks and we obsess over the details.

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Niner e9 Series: Powered by Bosch

The global leader in e-bike drive systems, batteries, and displays, Bosch is our chosen partner for RIP e9, WFO e9, and RLT e9 RDO.

Power Up with Bosch

News, views, and good times

Get the latest from Niner! Adventures, travel, new bikes - it’s all here.

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Ninerds at your service

Small in number but strong in spirit, we’re a fun group of passionate outdoor people.

Riding and representing

Our sponsored athletes and ambassadors travel the world, representing Niner, interacting with riders, and winning the occasional bike race.

Meet Our Riders

Supporting the sport

We actively engage with our global and local riding communities in support of riders at all levels.

Join Our Community

Where the magic happens

Our global HQ in Colorado is situated by bike paths, breweries, and a great group of riders.

See How We're Doing in FOCO

Thinking ahead and giving back

From Day One, Niner has always been about creating more rad places to ride.

Speak Out for Trails

Where it all began

A long time ago, in a place far away, a love of riding dirt on big wheels grew into a global empire. Sort of.

Travel Back in Time

Find a Niner near you

Find a Niner to ride from our dealer network around the country.

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Test Ride a Niner

We always say, if you really want to understand Niner, you have to go and ride one. Our bikes make riding on dirt a better experience! We’d love to get your bum on one of our bikes, because we are certain you’ll have a great time and you won’t want to give it back.

Find a Niner Demo Near You!

Visit a Demo Center

As often as possible, we partner with key dealers in popular locations around the country to offer semi-permanent fleets of Niner test bikes. Let’s call them “Niners in residence,” or maybe “Niner pop-up dealer demos.”

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BIOCENTRIC 30 BOTTOM BRACKET

BIOCENTRIC 30 BOTTOM BRACKET

Biocentric II

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.

Greater Range

The BioCentric II offsets the bottom bracket spindle 8.5mm from center, offering greater range of adjustment compared to a more 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 via BB position.

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 BB shells that clamp an EBB can stretch or ovalize. The BioCentric 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 itself. Secure, quiet, easy to install and adjust, the BioCentric II will change your ideas about singlespeed drivetrain setup and maintenance.

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