Niner RLT 9 RDO - 4-Star GRX 800 1X


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Light, done right

Niner's 4-Star Shimano GRX 800 1x kit brings Shimano single-ring performance to a more affordable price level. With DT Swiss G 1800 SPLINE 25 wheels, Schwalbe tires, and an Easton 1-chainring carbon crankset, this is one of the best gravel-grinding packages available.

A carbon fiber recipe with style and soul.
Rather than designing a no-fun, no-frills, uber-light and too-stiff carbon chassis for our newest RLT 9 RDO, Niner built you a bike that you’ll want to ride all the time, to any place. With extra tire clearance, multiple fitments for accessories and cargo, plus slick frame features and a smooth ride, you can pedal it and be happy - anywhere and everywhere, not just on your Strava segments.

RIDER TYPE: Gravel
SIZE RANGE: 47cm, 50cm, 53cm, 56cm, 59cm, 62cm

COLORS: Baja Blue/Sand, Black/Olive Green/Orange

  • Shimano GRX 800 1-chainring drivetrain
  • DT Swiss G 1800 SPLINE 25 wheels
  • Niner RDO carbon seatpost and stem

"It transfers power well and has the chops to keep up with the pack when the pace picks up, yet it has enough flex to smooth out rough terrain." - Bicycling

Size
Color
Baja Blue/Sand
Olive Green/Orange

Style for miles.

You want to not just go the distance but do go there fast? The RLT 9 RDO is a gravel bike made to make the miles sail past. Do you want to explore? This bike encourages it. How about undertaking long and adventurous rides? Please do. Need a change of pace, a break from the routine? Go ahead. Give it a chance. If you can think it on two wheels, the RLT, a multi-tool of a bike, might just be the bike for you. From dirt trails to gravel to asphalt, this bike takes everything in stride, with you along for the ride.

Race Day Optimized carbon fiber construction.

Carbon fiber gets all the credit these days. It’s light, it’s stiff, and it’s infinitely variable in terms of size, shape, material properties, and strength. Ask any bike freak about the world’s best bikes, and 9 times out of 10, they’ll foam over like a simmering saucepan, raving about exotic Italian carbon fiber dream machines.

But carbon fiber is like tomato sauce – there’s more to it than the tomatoes and where they were grown. It matters more how you make it and what you put it on.

As lifelong gravel (and pasta) addicts, we’re experts at finding the ingredients to make carbon fiber ideal for every adventure we can envision. As such, we add a healthy dose of soul to our in-house RDO carbon fiber recipe.

To be clear, Niner’s RDO carbon fiber is light enough and stiff enough to satisfy the most selective gravel racers. We’re not afraid to brag that Niner riders have won a fair share of Dirty Kanzas. But these days, “light, fast, strong, and stiff” is easy.

What takes more thought and care is maintaining a healthy dose of bump-absorbing compliance. RLT 9 RDO riders roll in comfort with tube shaping and carbon fiber layups made for a forgiving ride.

Fork it over.

The RLT 9 RDO includes an all-new RDO carbon fiber fork. A Niner original, this exceptional component is made from Race Day Optimized carbon fiber, which is built with a unique process that optimizes complete compaction of the carbon layers under heat and pressure. By maximizing the carbon-to-resin ratio in the finished product, we keep this fork light and stiff while improving compliance over rough surfaces.

We paid mind to aesthetics and functionality in this fork. The brake hose is routed internally through a fully sleeved guide tube. Multiple rack, fender, and cargo mounts make light work of heavy loads, so go ahead, add another day of bikepacking on to your trip. The 12x100mm thru-axle and flat mount disc brake attachments are compatible with contemporary components. If you find yourself wanting to push the limits on a long-haul self-supported ride, we’ve got you covered. The new fork features internal wire routing and fitment for a hub dynamo powered light, so the only thing keeping you from riding into the night is your bedtime.

Tire sizes to satisfy any adventure.

Get ready to swoon. With more tire clearance than ever before, the RLT 9 RDO can accommodate tires as wide as 700x50c. Does your next ride require more rubber on the road? Not to worry, swapping out wheels is easy. This bike can accommodate 650b wheels and fit tires as wide as 2.0. Go wild with wheel and tire combinations, just keep it rubber side down out there.

Frame features fit for going farther.

Are you a carbon connoisseur, an adventure addict, weekend bikepacker, gear hoarder, over packer, grocery-getter or commuter extraordinaire? If you answered yes to any of these, the RLT 9 RDO was made for you. This dream build has 26 mounting points that give you the option to outfit your bike with as many bags, bottles, and racks as you need.

We’ve also designed custom bags for each frame size that mount directly to the frame. No more straps or buckles flying around. Just a cleanly designed frame ready for the next journey.

Cleanliness is next to godliness. Our full-sleeve internal cable routing keeps the frame looking tidy. Want an even sleeker bike? Single-speed calling your name? With our PF30 bottom bracket shell, it’s easy to fit a geared or single-speed drivetrain. More gears your thing? This bike is compatible with either mechanical or electronic shifting. Plan on getting rowdy on your ride? Throw a dropper post on, for safety.

- NINER TECHNOLOGY -

  • Room to Roam
    Niner RLT gravel bikes have room to fit 700x50c tires (or 650b x 2.0).

  • Integrated Frame Mounts
    So many ways to carry all your adventure gear. 26 threaded mounts to fit custom bags, bottles, racks, fenders, lights, and more.

  • Fireroad Geometry
    Whether you’re riding across town or across the country, the RLT 9 Steel has a longer chainstay, a lower bottom bracket height and a slacker headtube angle to keep you comfortable.

  • Interchangeable Wheel Size
    Don’t let the terrain stop you from riding. The Niner RLT 9 Steel can fit both 700c and 650b wheels, for ultimate versatility and adaptability to suit any off road pursuit.

  • Biocentric Bottom Bracket
    Fit any drivetrain, geared or singlespeed. No bolt-on hubs, no chain tensioners cluttering your ride, no brake adjustments with gear changes.

  • Niner RDO Carbon Fork
    Custom 12x100mm gravel-tuned RDO carbon fork with rack, fender and bottle mounts, plus internal cable and dynamo routing, perfect for those long hauls.

  • Lifetime Warranty
    Ride, race, rally. Niner has you covered with warranty service, small parts, and a support team that actually answers the phone.

- Bike Sizing -

Looking for the perfect size? Check out our handy quick reference chart below (NOTE: The chart assumes average limb and torso proportions). Not sure about your size? Just send us your measurements using our Bike Sizing form and one of our experts will help you out!

For riders who fall between sizes, Niner recommends sizing down for a more maneuverable ride or sizing up for more stability.

Rider Height Frame Size
4'11" to 5'3" 47cm
5'2" to 5'6" 50cm
5'5" to 5'9" 53cm
5'8" to 6' 56cm
5'11" to 6'3" 59cm
6'2" to 6'6" 62cm

- TECHNICAL SPECIFICATIONS -

Frame NINER RDO CARBON FIBER: INTERNAL CABLE ROUTING; INTEGRATED BOTTLE, BAG, RACK AND FENDER MOUNTS; FLAT MOUNT; 12X142 THRU AXLE
Fork NINER RDO FULL CARBON; INTEGRATED BOTTLE, BAG, RACK AND FENDER MOUNTS; INTERNAL CABLE ROUTING; FLAT MOUNT; 12X100 THRU AXLE
Shock N/A
Tubes/Sealant STANS NO TUBES SEALANT (2 X 2OZ BOTTLES)
Front wheel DT SWISS G 1800 SPLINE 25, CENTERLOCK, 100X12MM
Rear wheel DT SWISS G 1800 SPLINE 25, CENTERLOCK, 142X12MM
Front Tire SCHWALBE G-ONE ALLROUND EVO SUPER TERRAIN TLE ADDIX SPEEDGRIP 700X45
Rear Tire SCHWALBE G-ONE ALLROUND EVO SUPER TERRAIN TLE ADDIX SPEEDGRIP 700X45
Brakes SHIMANO GRX800
Brake Levers SHIMANO GRX800
Brake rotors SHIMANO RT800 160/160MM CL ROTORS
Chain SHIMANO HG 601 11SP
Front shifter SHIMANO GRX800
Rear shifter SHIMANO GRX800 11SP
Front derailleur N/A
Rear derailleur SHIMANO GRX800 GS 11SP SHADOW PLUS
Cassette SHIMANO XT M8000 11SP 11-42T
Crankset EASTON EC90 CARBON, 40T
Bottom bracket EASTON PF30
Saddle NINER CUSTOM WITH CRN-TI RAILS, EMBOSSED NINER GRAPHIC
Seatpost NINER RDO CARBON, 400MM
Handlebar EASTON EA50 AX
Stem NINER RDO CARBON
Headset NINER INTEGRATED SHIS DESCRIPTION IS42/28.6|IS52/40
Grips NINER BAR TAPE
Approximate weight 20.2 LBS

- NINER GEOMETRY -

47cm 50cm 53cm 56cm 59cm 62cm
Top Tube Length 510
525 545 565
585
605
Head Tube Angle 70° 70.5° 71° 71.5° 72° 72.5°
Head Tube Length 105
125
145 165 185 205
Seat Tube Angle 74.5° 74° 73.5° 73° 73° 72.5°
Seat Tube Length 430
460 490 520 550 580
Bottom Bracket Drop 75
75
75
70
70
70
Chainstay Length 430 430
430
430
430
430
Horizontal Chainstay 425
425
425
425
425
425
Front Center 581 589 600 611 626 634
Wheelbase 1000 1007 1017 1030 1045 1054
Standover Height 693
731
754
780
804
827
Reach 362
366
374
384
398
405
Stack 535
556
577
592
613
634
Fork Rake 45 45 45 45 45 45

- WARRANTY -

We're an authorized Niner dealer, which means that every bike we sell is backed by Niner's warranty, including a one-year complete bike warranty and a lifetime frame warranty.  For full details, click here.

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