The Jet 9 was designed to run 29-inch or 27.5+ tires on the same frame and rear triangle.

You’ll survive. This latest evolution of our flagship 140mm 29er is ready to tame any trail. Niner Jet 9 RDO, Scalpel 29, XTC 650b, 04 Stumpjumper FSR Pro, Trek Rigid SS - No suspension, no problem. Long read, sorry and TIA. The JET 9 RDO is made to accept your choice of 29-er and 27.5-Plus wheels and tires. Niner’s short-travel JET 9 promises a, “fast, light, race-ready full suspension bike” and it’s not too far off from that mark. Good stuff guys.

Niner offers the Jet 9 in two versions: aluminum and carbon fiber. Noclutch. Soon after it was born, the XC-oriented Jet 9 RDO was kidnapped and raised in the wilderness by trail riders.

The RDO iteration tested uses a full carbon fiber frame with rear triangle and Boost rear spacing to allow for more tire clearance. Fictional characters don’t count, nor does anyone you just want to murder and bury in the woods. With over 30 glowing media reviews for ride quality and handling - the new JET 9 takes these characteristics and ups the ante with increased travel, a 142x12mm rear end and airformed aluminum alloy tubes that redefine performance and reduce frame weight. For over a decade, the RIP 9 trail bike has ruled Niner’s off-road lineup.

The frame geometry is made to manage both technical downhills and challenging climbs. RKT or Jet 9 RDO. King of the mountain. I'm torn! mtbr member Reputation: Join Date Jun 2010 Posts 1,144. The new JET 9 Alloy frame features Boost spacing in the rear and is 27.5+ compatible, though Niner recommends bumping the fork up to 140mm of suspension travel for 27.5+ wheels. The Niner that loves putting the pedal to the metal – The JET 9 is for riders who like to get there sooner or ride just a bit further. 01-15-2018 #12. Of course many older 29ers can be converted to 27.5+, but Niner points out the new JET 9 Alloy will fit full width, 3.0-inch 27.5+ tires (and up to 2.4″ 29er tires). If you picked Sacagewea and the Niner Jet 9 RDO, congratulations. Next, you can choose a bike to carry you home. And the suspension system is designed for a blend of efficiency and performance.