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Niner JET 9 RDO Frame

Item #: FR215I00
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Niner Jet 9 RDO Frame

Full-suspension Carbon Stunner

Though 29ers originally debuted on the cross country course, Niner has taken the big wheeled bike and made it into a versatile, high performance trail machine. Capitalizing on the rolling efficiency of the 29” wheel, Niner designed the JET 9 to be more than just a capable climber. Through their patented CVA suspension technology and their trail proven geometry, Niner was able to create a 29” bike that was not only efficient, but was also nimble enough to handle the endless rock sections, drops, and even the occasional jumps that can be found on most modern trails. The award winning design entails sleek carbon upper rocker links and a custom forged allow lower linkage. Combine this with the 142x12mm rear hub spacing, and the power transfer becomes so responsive you’ll forget you’re riding a full suspension bike.

The JET 9 RDO features Niner’s Race Day Optimized carbon fiber frame production process known as Carbon Compaction System. Niner’s Carbon Compaction System uses a pre-shaped Styrofoam mold encased by a bladder that the carbon is then laid around. The firm Styrofoam core provides the desired shape of the frame and a solid platform for the carbon lay. The bladder is then inflated to fully compress the carbon against the outer metal mold for accurate compaction and a smooth inside wall, producing a fruitful list of benefits. First, it sets the carbon in the exact position it should be in without any shifting from a bladder inflating after layup. Secondly, it reduces the amount of excess resin to pool inside the frame, meaning lighter weight and less wasting. Lastly, it enables the inside wall to be free of wrinkles and loose fibers, resulting in fewer potential weak spots.

Niner Jet 9 RDO Frame Features

  • New RDO carbon layup for no-compromise stiffness, strength and ride quality
  • RDO Full Suspension - Top level performance with no compromises
  • 100mm of patented CVA suspension is efficient in every chainring
  • Compatible with 100 - 120mm tapered forks
  • Tuned for CVA - Fox float CTD shock with Kashima coating
  • Carbon suspension linkage and unique Niner hardware
  • 142x12mm Maxle rear spacing

Tech Features

  • 73mm PF30 BB width
  • PF30 BB adaptable to threaded via adapters
  • Shock size: 7.5” x 2.0” (190mm x 50mm) - 4” (100mm) travel
  • Shock mounting hardware: 21.84mm x M6
  • Shock SAG: 25% (which will move the o-ring 12.5mm down the shaft)
  • 31.6mm seat post, 400mm length recommended
  • 34.9mm seat collar
  • S3 (low) Direct Mount front derailleur, bottom pull
  • 1.125” - 1.5” tapered head tube with integrated (Campy style) headset. Cane Creek standard description: IS42/28.6|IS52/40
  • Sealed cartridge bearings - (8x) 22x10x6mm
  • 142x12mm rear spacing
  • Small, Medium, Large, and XL have one inner triangle bottle mount and one under the DT bottle mount
  • Titanium frame guards
  • Can fit up to a 2.4” tire (tire size varies by brand, some tires may not fit)s

Geometry (120mm fork)
Size (mm) Extra Small Small Medium Large Extra Large
Top Tube Length 562 580 598 618 638
Seat Tube Length 381 406 457 509 559
Head Tube Length 100 110 120 130 145
Head Tube Angle 70.0° 70.0° 70.5° 70.5° 70.5°
Seat Tube Angle 73.5° 73.5° 73.5° 73.5°


Wheelbase 1092 1112 1122 1148 1168
Chainstay Length 455 455 455 455 455
BB Drop 27 27 27 27 27
Standover Height 679 696 721 745 773
Stack 597 607 618 628 643
Reach 383 399 413 434 449
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Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.