RIP RDO 29 4-Star Complete Mountain Bike
Since its introduction over a decade ago, Niner's RIP 9 completely changed the landscape of all mountain riding and eliminated any preconceived notions of how big travel bikes with big wheels were supposed to ride. Fast forward to today and this all-new 3rd generation frame is here and ready to rock the trails with plenty of new features like Rib Cage construction for added stiffness, extra standover height and room for longer dropper posts, a high/low flip chip adjustable geometry, and 140mm of re-tuned CVA suspension. Add some FOX Factory suspension and SRAM's X01 group with updated, progressive geometry for modern trail bike handling and you get the RIP RDO 29 4-Star Complete Mountain Bike, a machine that will help you redefine your limits on any trail.
One thing to note right away with the new RIP is there are two frames dedicated to each wheel size: 27.5 and 29-inch. This allows Niner to optimize the frame for each wheel size by dialing in the suspension kinematics and geometry specifically for each size with no 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 with confidence given its longer reach, slack 66-degree head tube angle, and 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, a boon for shorter riders. Furthermore, a lower stack height and a shorter head tube accommodates a wider range of fit and varying rises of handlebars. Lastly, the short, 435mm chainstays on this 29er version ensures the bike can handle tight singletrack trails as well.
Visually, one feature that's immediately apparent in the new frame design is its wide and stiff Rib Cage struts on the main triangle. This, in conjunction with the flattened top and down tubes, a 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, 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 pounding while resisting deflection under a torsional load. And since the rear triangle receives 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 in the stroke, more support in the mid-stroke, and 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 so less rear wheel force is transmitted to the shock. This allows the shock the ability to hold the rider up in the travel, giving solid mid-stroke support. And at the end stroke, the leverage ratio increases just slightly to overcome the natural progressivity of an air spring for bottomless, smooth response under the biggest hits.
- Niner's updated long-travel all-mountain bike rips any trail
- 140mm of revised CVA travel balances efficiency with plushness
- Updated geo is great for all-day pedal-fests and park laps
- Flip-chip geo dials in the ride for your style and terrain
- Threaded BB and full sleeve internal cable routing simplifies maintenance
- Steeper seat tube angle helps you put power down to the pedals
- New frame construction optimizes responsiveness while improving compliance
- SRAM XO1 Eagle has a wide gear range and 50t bailout gear for tough climbs