RIP RDO 5-Star SRAM X01 AXS / FOX X2 LTD Mountain Bike (2021)

Niner Bike’s reimagined 140mm-travel trail bike. Niner’s flagship 5-Star SRAM X01 Eagle AXS LTD build is made even better with a FOX Float X2 rear shock. Add DT Swiss XMC 1200 SPLINE carbon wheels and a FOX 36 fork to our flagship trail bike, and you’re ready for takeoff. This RIP is light, fast, and tough.

King of The Mountain – The Trail Taming RIP 9 RDO

For more than a decade, the RIP 9 RDO trail bike has ruled Niner’s off-road lineup. For 2019, this flagship bike evolves again. Niner’s do-it-all trail bike hits the sweet spot with 140mm of consistent, controlled CVA suspension, progressive and adjustable geometry, and increased frame stiffness. Plus it’s got more standover for 170mm dropper posts, longer reach, and a shorter head tube. More versatile and capable than ever before, reach for your RIP to tackle any trail.

A Little Less Travel, and a LOT More Bike

The new RIP 9 RDO sports 140mm of CVA suspension on a light, stiff, strong RDO carbon frame. With a 150mm travel FOX 36 fork up front, a 66-degree head tube angle, and a 75.8-degree seat tube angle, they’re hitting the sweet spot of efficiency and capability. Niner also built in more standover clearance and a shorter seat tube to accommodate 170mm dropper posts.

By adding new Rib Cage struts across the front triangle, flattening the top and down tubes, widening the main rocker link pivot, and beefing up the rear triangle, the entire bike is stiffer from front to back. The struts reduce bottom bracket deflection while keeping the upper portion of the front triangle supple and compliant. And the wide, flat surfaces found on Niner’s top and downtube help to absorb frontal impacts and vibrations while resisting deflection (twisting) under torsional load.

The Longest, Lowest, and Slackest Niner Ever Made

Thanks to the flip chip, two different geometries mean two bikes in one. The high mode geo is perfect for everyday trail riding. This bike launches uphill and over technical terrain, thanks to CVA suspension and the steep seat tube angle. When you’re all out of breath, turn around and point it down. Drop in with confidence thanks to the long reach, low BB, and slack, 66-degree head tube angle.

The RIP’s low mode brings out its rock star, party down personality. By slacking out the head angle a full degree to 65, and lowering the bottom bracket 7mm, the RIP transforms into a whole new bike that’s perfect for chairlift days, shuttle sessions and back country excursions with long, rowdy descents.

CVA Suspension

Niner’s Constantly Varying Arc, or CVA™, is built to be supple yet stable, controlling unwanted suspension movement with calibrated anti-squat, yet remaining active while climbing and descending. Courtesy of a new higher overall leverage ratio, starting off at 3.0 and ending right around 2.3 for an average of 2.55, off the top it’s easier to set the shock in motion and overcome static friction. It’s also more supportive in the midstroke, holding the rider higher up in travel.

Going down, it’s consistent and controlled. With no need for heavy compression damping to control unwanted movement, CVA is tuned for consistent, confidence-inspiring behavior on descents. It’s perfectly balanced, so the result is stable yet supple, active, ground-hugging traction in every situation – cranking uphill, ripping downhill, and everywhere in between.

RDO Carbon Fiber

Niner starts with the best grades of raw carbon layered precisely according to the stress points on the frame structure. In construction, the process employs rigid internal molds and results in tighter, more consistent compaction of the carbon fabric. The result? Increased precision in wall thickness and reduced resin pooling in the final product. Niner can build more elaborate structures with better ride tuning, increased strength, outstanding durability, and less weight.


  • DT Swiss XMC 1200 SPLINE carbon wheels
  • Wireless electronic SRAM X01 Eagle AXS shifting
  • FOX Float X2 Factory EVOL rear shock

Full Sleeve Cable Guides

No more fishin’. Niner built in end-to-end cable guides through the frame for easy installation and maintenance.

Enduro Max Black Oxide pivot bearings

The smoothest, most durable pivot bearings in the industry. Made by Enduro, they’re built for life.

Protection where you need it

Factory installed, integrated frame protection to keep your ride safe from harm, even when you’re in over your head.

Tire clearance

Need room to roam? You got it. The RIP 9 RDO 29er has clearance to run your choice of 2.6-inch wide tires.

CVA suspension

Supple yet stable, and the confidence to drop into gnarly lines, knowing you’ll get consistency and control from top to bottom: that’s CVA suspension.

RDO carbon fiber

Niner’s premium Race Day Optimized carbon fiber means more strength, higher stiffness, and less weight.

Lifetime warranty

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

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