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MaterialRDO Carbon Fiber
DrivetrainSRAM APEX 1 XPLR 12sp
Wheelset700x40c / Alloy
Weight~21 lbs (9.5 kg)
Use TypeGravel / Off-Road
Niner ORE 9 RDO
Where the Road Ends Is Where It Gets Good.
"Everyone else turned back at the pavement. You kept going."
There is a point on every gravel ride where the road deteriorates into something that tests your bike as much as it tests you. Rocks scatter. The trail narrows. The surface stops cooperating. This is where most gravel bikes tap out. The Niner ORE 9 RDO was built for exactly that moment. Niner's Off Road Explorer runs an MTB-certified RDO carbon fiber frame, a suspension-corrected fork, and a 69-degree head tube that plants the front wheel and keeps you in control when the terrain stops being polite.
The 12-speed SRAM APEX 1 XPLR drivetrain runs a 40T front ring against an 11-44T cassette. Wide range, zero front derailleur, nothing to fumble with when the trail demands your full attention. Schwalbe G-One Allround 700x40c tires roll fast on hardpack and grip on loose. SRAM APEX HRD hydraulic disc brakes with 160mm rotors front and rear. This is a carbon gravel bike engineered to MTB impact standards, dropped bar geometry and all.
"Most gravel bikes are road bikes with wider tire clearance. The ORE 9 is the opposite. Niner designed this frame to MTB ISO standards with a 69-degree head tube that sits two to three degrees slacker than typical gravel geometry. That extra wheelbase and the lower trail number change how this bike behaves on loose, rocky descents. It stops hunting and starts tracking. That is the difference between a gravel bike that tolerates rough terrain and one that was designed for it."
WATCH THE FILM
BUILT FOR RIDERS WHO
- Your gravel rides keep ending at the same spot — where the surface breaks down and your bike tells you to turn around
- You have washed out on a loose descent and spent the rest of the ride thinking about head tube angles
- You want a drop bar bike that can follow the mountain bike riders into the technical section without asking permission
- You are planning a route with 60 percent dirt and you need a bike that treats the pavement sections as the intermission, not the main event
69 DEGREES CHANGES EVERYTHING
The Number That Separates Gravel Bikes From Off-Road Bikes
Most gravel bikes ship with a 71 or 72 degree head tube. That geometry traces its roots back to road racing. It is fast and efficient on hardpack. It becomes nervous and twitchy the moment the surface deteriorates. The ORE 9 runs a 69-degree head tube. That two-degree difference lengthens the front wheel contact point, lowers the trail number, and shifts the front axle forward relative to your steering axis. The result is a front wheel that tracks through corners instead of washing out of them. A bike that gets more confident as the terrain gets worse.
Niner built the ORE 9 frame to MTB ISO 4210 standards, the same testing protocol used for trail mountain bikes designed to handle real impacts. The suspension-corrected fork is engineered for up to 40mm of travel, meaning the geometry was calculated with a suspension fork in mind. Run it rigid now. Add a suspension fork later. The ORE 9 handles correctly either way.
RDO CARBON. MTB-TESTED.
Niner's Own Carbon Standard, Built for Real Loads
RDO carbon is Niner's proprietary layup specification. It is lighter than aluminum, stronger than standard carbon, and certified to meet mountain bike impact standards. That last part matters more than most riders realize. The loads a gravel bike takes on rocky descents, hard landings, and root sections are nothing like road riding. Standard road carbon eventually shows you its limits on that terrain. The ORE 9's RDO layup was tested to the same standard as a full trail mountain bike.
Internal cable routing keeps the cockpit clean. Thru-axle front and rear at 12x100 and 12x142 gives you stiffness and wheel alignment precision that quick-release bikes cannot match. Flat mount disc tabs. T47 threaded bottom bracket for DUB cranksets. Three water bottle mounts on the main triangle. Top tube, seat tube, and frame bag fitments for multi-day rides. Every detail points in the same direction.
WHY THIS BUILD MATTERS
Slack Geometry for Real Terrain
The 69-degree head tube angle is two to three degrees slacker than most gravel bikes. On smooth hardpack the difference is subtle. On loose rocky descents it is the difference between tracking through the corner and washing out. The geometry was not an accident.
Carbon Built to MTB Standards
RDO carbon certified to MTB ISO 4210. The ORE 9 frame was designed to absorb the kinds of impacts that crack standard road carbon frames. That certification is not marketing copy. It is the reason you can point this bike at terrain that would make other gravel bikes nervous.
1x XPLR: Built for Gravel, Not Adapted From Road
SRAM designed the APEX XPLR groupset specifically for gravel. The XPLR rear derailleur has a longer cage for the wide-range cassette and a clutch mechanism that keeps the chain on through rough terrain. The 40T front ring and 11-44T cassette covers steep climbs and fast descents with nothing to shift in front.
COMPARE NINER GRAVEL BIKES
ORE 9 RDO
$3,799.99
|
RLT 9 RDO
$3,799.99
|
RLT 9 Steel
$4,299.99
|
|
|---|---|---|---|
| Philosophy | Off-Road Explorer | Road-Leaning Gravel | Adventure Touring |
| Frame | RDO Carbon (MTB-Certified) | RDO Carbon | Reynolds 853 Steel |
| Head Angle | 69° | 70° | 72° |
| Groupset | SRAM APEX 1 XPLR 12sp | SRAM APEX XPLR 12sp | SRAM Rival 1 XPLR AXS |
| Shifting | Mechanical | Mechanical | Electronic (AXS) |
| Cassette | 11-44T | 11-40T | 11-44T |
| Fork | RDO Carbon (40mm corrected) | RDO Carbon (rigid) | RDO Carbon (rigid) |
| Tire Clearance | 700x50c / 650b x 2.0 | 700x50c | 700x50c |
| Weight | ~21 lbs (9.5 kg) | ~20.6 lbs (9.4 kg) | ~23 lbs (10.4 kg) |
| Best For | Technical gravel, singletrack | Fast gravel, mixed surface | Bikepacking, touring |
| View Details ↑ | Shop Now → | Shop Now → |
| Available Frame Sizes | 47cm, 50cm, 53cm, 56cm, 59cm, 62cm |
|---|---|
| Available Colors | Magnetic Grey/Black, Transparent Green/Avalanche Grey |
| Frame | Niner RDO Carbon Fiber: Internal Cable Routing; Integrated Bottle, Bag; Flat Mount; 12x142 Thru Axle |
| Fork | Niner RDO Full Carbon; Internal Cable Routing; Flat Mount; 12x100 Thru Axle |
| Tubes / Sealant | Stan's NoTubes Sealant (2 x 2oz Bottles) |
| Front Wheel | Niner Alloy, 700c Aluminum Clincher, 22.5mm Internal, *Max Rider Weight 220 lbs |
| Rear Wheel | Niner Alloy, 700c Aluminum Clincher, 22.5mm Internal, *Max Rider Weight 220 lbs |
| Front Tire | Schwalbe G-One Allround Performance RaceGuard, TLE, 700 x 40 |
| Rear Tire | Schwalbe G-One Allround Performance RaceGuard, TLE, 700 x 40 |
| Brakes | SRAM APEX 1 HRD FM |
| Brake Levers | SRAM APEX 1 XPLR HRD |
| Brake Rotors | SRAM Centerline 160/160mm CL Rotors |
| Chain | CN APEX D1 12S 120LI |
| Front Shifter | N/A |
| Rear Shifter | SRAM APEX 1 XPLR HRD 12SP |
| Front Derailleur | N/A |
| Rear Derailleur | SRAM APEX XPLR D1 |
| Cassette | SRAM PG 1231 D1 XPLR 11-44T |
| Crankset | SRAM APEX 1 D1 DUB Wide 40T (47/50 – 170mm, 53/56 – 172.5mm, 59/62 – 175mm) |
| Bottom Bracket | BB DUB T47 85.5 Road Wide |
| Saddle | Niner Custom with CR-MO Rails, Embossed Niner Graphic |
| Seatpost | Niner Alloy Seat Post, 27.2, 400mm, Niner Graphic |
| Handlebar | Niner Gravel Alloy (47/50 – 420mm, 53/56 – 440mm, 59/62 – 460mm, 16 Degree Flare) |
| Stem | Niner Alloy Stem, Niner Graphic (47/50 – 50mm, 53/56 – 60mm, 59/62 – 70mm) |
| Headset | Niner Integrated SHIS IS42/28.6 | IS52/40 |
| Grips | Niner Bar Tape |
| Frame Fittings and Mounts | 2 Inner Bottle Mounts, 1 Under Downtube Bottle Mount, Top Tube Bag Mount | Headset Size | 1.125" x 1.5" Tapered Integrated Head Tube, Headset Included, IS42/28.6 IS52/40 |
|---|---|---|---|
| Seatpost Clamp Diameter | 31.8mm | Q-Factor | 150mm |
| Chainring Size | 1x – 48T, 2x – 50/34T | Bottom Bracket Type | T47 | 85.5mm Shell Width |
| ISCG Compatibility | No | Rear Wheel Spacing | 12x142mm |
| Biocentric 30 Compatibility | No | Front Wheel Axle Spacing | 12x100mm |
| Maximum Brake Rotor Size | 160mm Front and Rear | Maximum Tire Size | 700c x 50 or 650b x 2.0 (Tires Vary by Brand, Some Brands May Not Fit) |
| Rear Wheel Through Axle Spec | M12 x P1.0 x 174mm | Fork Rake | 50mm |
| Front Wheel Through Axle Spec | M12 x P1.5 x 125mm | Fork Axle to Crown | 435mm |
| Cable Routing | Full Sleeve Internal, DI2 Compatible, Internal Routed Dropper Ready | Seatpost Diameter | 27.2mm |
(A) TT Length |
(B) Seat Tube Length |
(C) Chainstay Length Actual |
(D) Horizontal Chainstay |
(E) Front Center |
(F) Wheelbase |
(G) BB Drop |
(H) Headtube Length |
(I) Headtube Angle |
(J) Seattube Angle |
(K) Standover Height |
(L) Reach |
(M) Stack |
(N) Fork Rake |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| METRIC | 47cm | 525 | 430 | 435 | 430 | 609 | 1034 | 70.0 | 90 | 69.0° | 74.0° | 693 | 369 | 545 | 50 |
| 50cm | 556 | 460 | 435 | 430 | 641 | 1066 | 70.0 | 106 | 69.0° | 74.0° | 731 | 395 | 560 | 50 | |
| 53cm | 571 | 490 | 435 | 430 | 658 | 1083 | 70.0 | 126 | 69.0° | 74.0° | 754 | 405 | 579 | 50 | |
| 56cm | 596 | 520 | 435 | 430 | 673 | 1099 | 70.0 | 146 | 69.0° | 73.0° | 780 | 413 | 598 | 50 | |
| 59cm | 611 | 550 | 435 | 430 | 689 | 1115 | 70.0 | 167 | 69.0° | 73.0° | 804 | 422 | 617 | 50 | |
| 62cm | 636 | 580 | 435 | 430 | 716 | 1142 | 70.0 | 188 | 69.0° | 73.0° | 827 | 441 | 636 | 50 | |
| IMPERIAL | 47cm | 20.7" | 18.5" | 17.1" | 16.9" | 24.0" | 40.7" | 2.8" | 3.5" | 69.0° | 74.0° | 27.3" | 14.3" | 21.5" | 50mm |
| 50cm | 21.9" | 19.7" | 17.1" | 16.9" | 25.2" | 42.0" | 2.8" | 4.2" | 69.0° | 74.0° | 28.8" | 14.4" | 22.0" | 50mm | |
| 53cm | 22.5" | 20.9" | 17.1" | 16.9" | 25.9" | 42.6" | 2.8" | 5.0" | 69.0° | 74.0° | 29.7" | 14.7" | 22.8" | 50mm | |
| 56cm | 23.5" | 22.0" | 17.1" | 16.9" | 26.5" | 43.3" | 2.8" | 5.7" | 69.0° | 73.0° | 30.7" | 15.7" | 23.4" | 50mm | |
| 59cm | 24.1" | 23.2" | 17.1" | 16.9" | 27.1" | 43.9" | 2.8" | 6.6" | 69.0° | 73.0° | 31.7" | 15.7" | 24.3" | 50mm | |
| 62cm | 25.0" | 24.4" | 17.1" | 16.9" | 28.2" | 45.0" | 2.8" | 7.4" | 69.0° | 73.0° | 32.6" | 15.9" | 25.0" | 50mm |
What makes the ORE 9 different from a regular gravel bike?
The head tube angle. Most gravel bikes run 71 or 72 degrees, which is road-bike geometry adapted for wider tires. The ORE 9 runs 69 degrees, two to three degrees slacker. That changes where the front wheel sits relative to your steering axis. On rough terrain, slack geometry tracks instead of wanders. Niner also certified this frame to MTB ISO 4210 standards, not road bike standards. It is a different class of machine.
Is the Niner ORE 9 RDO good for bikepacking?
Yes. The frame has fitments for a top tube bag, frame bag, and three water bottle mounts on the main triangle, plus fork mounting points. The 700x50c maximum tire clearance and RDO carbon durability give you the load capacity and toughness for multi-day trips on rough routes. The XPLR cassette range handles loaded climbing without a front derailleur.
Can I add a suspension fork to the ORE 9 RDO?
Yes. The fork is suspension-corrected for up to 40mm of travel, meaning the geometry was designed with a suspension fork in mind. If you add a 40mm travel fork, the handling stays correct without a geometry penalty. The fork interface uses a thru-axle and flat mount tabs compatible with most gravel suspension forks.
What is the tire clearance on the Niner ORE 9?
Maximum clearance is 700x50c. The bike ships with Schwalbe G-One Allround 700x40c tires, leaving 10mm of additional clearance for larger tires. You can also run 650b x 2.0 wheels if you want a smaller diameter with more volume for even looser terrain.
Is the SRAM APEX 1 XPLR drivetrain good enough for serious off-road gravel?
SRAM designed the APEX XPLR groupset specifically for gravel, not repurposed from road. The XPLR rear derailleur has a longer cage for the wide-range cassette and a clutch mechanism that keeps the chain on through rocky terrain. The 40T front ring and 11-44T cassette gives you a wide enough range for loaded climbs and fast enough top-end for the descents.
- Niner ORE 9 RDO Complete BikeArrives partially assembled. Handlebar, stem, seatpost, and pedals need attaching. About 20 to 30 minutes with standard tools.
- Stan's NoTubes SealantTwo 2oz bottles included for tubeless tire setup. The Schwalbe G-One tires are tubeless ready out of the box. Add valves and sealant to convert.
- Niner Bar TapePre-installed bar tape included on the bike at purchase. Ready to ride.
