NINER RIP 9 RIP RDO 29 Mountain Bike Frame


NINER RIP 9 RIP RDO 29 Mountain Bike Frame


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From the challenging slickrock terrain of Moab to the rugged alpine trails of the Rockies, the Niner RIP RDO 29 Mountain Bike Frame is born to shred, and most importantly, to have fun while doing it. This long travel beast has ruled Niner’s mountain bike lineup for over a decade, and has seen a number of evolutions to improve the breed. For 2019 the RIP 9 evolves again, boasting 140mm of consistent and controlled CVA suspension, progressive geometry that’s adjustable via flip-chip, and increased frame stiffness thanks to its Rib Cage construction. Plus it’s got a lower standover height, more room for longer dropper posts, longer reach, and a shorter head tube. These changes make the RIP more capable and versatile than ever, giving riders a bike that’s equally ready to nab stage wins as it is to conquer big backcountry rides.

While the old RIP had a dual wheel size persona, the new RIPs are frames dedicated to each wheel size. This allows Niner to optimize the frame for each wheel size by dialing in the suspension kinematics and geometry specifically for each size eliminating compromises. Either way, you’re getting 140mm of CVA rear travel that’s sensitive off the top and supportive in the mid-stroke paired with 150mm of fork travel and clearance for 2.6-inch tires with room for mud. This is the longest, lowest, and slackest Niner ever created, however, with the inclusion of its adjustable geometry via flip chips at the seatstay pivots, a Niner first, you can make adjustments as needed for your terrain and riding style.

The high mode geometry is perfect for tamer trails and daily riding. You’ll quickly appreciate the climbing and pedaling efficiency of its steeper 75.8-degree seat tube angle and reworked CVA suspension platform. On the way down, you can shred in confidence with its longer reach, slack 66-degree head tube angle, and a 44mm, reduced offset fork. If you have some shuttling or bike park laps on the docket, its low mode brings out even more aggression by slacking out the head angle by a full degree (65-degree) and lowering the bottom bracket by 7mm. Niner further gives its sendy blessings by shortening the seat tube by 20mm to accommodate longer, 170mm dropper posts as well as increasing the standover height. Furthermore, a lower stack height and shortened head tube accommodate a wider range of fit and varying rise of handlebars. Lastly, the short, 435mm chainstays on this 29-inch version ensure the bike can handle tight singletrack trails as well.

Visually, one feature that’s immediately apparent is the new frame design with a wide and stiff Rib Cage struts on the main triangle. This, in conjunction with a flattened top and down tube, wider main rocker link pivot, and an oversized rear triangle boosts the frame’s responsiveness for precise handling. Things that might not be so noticeable are the durable and long-lasting Enduro MAX Black Oxide bearings at the pivots and Niner’s wonderful end-to-end, full sleeve internal cable guides making any maintenance down the road a breeze. Other frame niceties include a sag indicator on the rocker link pivot, factory installed scuff guards and frame protection at vulnerable locations (the plastic “skid plate” on the lower link is awesome), FOX Live-valve ready, water bottle compatibility inside the frame, and a creak-free threaded bottom bracket with ISCG-05 chain guide mounts.

On the trail, you’ll notice the struts reduce bottom bracket deflection down below for efficient pedaling while allowing the upper portion of the front triangle to remain compliant and better able to track across rough rock gardens, while the wide, flat surfaces found on the top and downtube help to absorb frontal impacts and vibrations from repeated waterbar bashings while resisting deflection under a torsional load. And since the rear triangle received beefier tubing, it allows Niner to remove the seatstay bridge at the rocker link opening up extra room for wider rim and tire combinations.

As we mentioned above, the RIP receives an updated CVA platform that’s designed to increase pedaling efficiency by riding more in the mid-stroke of the travel. We experienced gobs of traction when scaling technical climbs while remaining sensitive and fully active, even under braking, while descending. It basically takes Niner’s proven patented CVA linkage layout and axle path and refines the leverage ratio curve for supple travel early on with more support in the middle, before progressively ramping up at end stroke.

The new, higher leverage ratio off the top makes it easier to set the shock in motion and overcome static friction. At the mid-stroke, the leverage ratio decreases toward the sag point, meaning less rear wheel force is transmitted to the shock allowing it to better support you in the travel. And at the end stroke, the leverage ratio increases just slightly to overcome the natural progressivity of an air spring, giving a bottomless, smooth response under the biggest hits.

  • Niner’s long travel beast gets more progressive geometry & suspension
  • Refined CVA suspension is better up and down the mountain
  • Longer and salcker for improved stability on gnarly descents
  • High geometry position for big days in technical terrain
  • Low geometry position for bike park days and shuttle laps
  • RDO carbon construction is clean, light, and strong
  • Rib Cage struts improve frame stiffness in the BB area
  • Room for up to 2.6in tires with plenty of mud clearance
Frame Material
RDO Carbon
Wheel Size
Rear Shock
FOX Float DPX2 Factory EVOL 2 Position Adj
Rear Travel
Head Tube Diameter
1-1/8in – 1-1/2in tapered
Headset Included
Cane Creek ZS44/28.6 ZS56/40
Bottom Bracket Type
English threaded 73mm
Cable Routing
internal, full sleeve guides, Di2 and Fox Live Valve Compatible
Brake Type
post-mount disc
Seatpost Diameter
Seat Collar
Rear Axle
12 x 148mm Boost
Recommended Use
enduro, trail
Manufacturer Warranty
5 years on frame

Additional information


Large, Medium, Small


Santa Fe Sand


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