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Niner Wfo 9 Frame

Item #: FR228B01
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USD$2,089.99
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Niner WFO 9 Frame

If you mentioned the concept of a 29er on big terrain a few years ago, you undoubtedly would have been laughed at by riders and industry professionals everywhere. Here we are in 2014, and the Niner WFO 9 is one of the industry’s first long-travel big-wheelers, and boy is it equipped and ready for a great time!

This All-Mountain masher is ready to shed some light on what 29” wheels can do with nearly 6” of travel. The progressive “confidence inspiring” geometry provides slack enough angles that you might find yourself contemplating on racing this beast Downhill, yet not so slack that you’d find it difficult cornering tight turns or climbing. The WFO is constructed with airformed tubing which allows for careful shaping and control over wall thickness, optimizing strength and stiffness in key areas. These hydroformed tubes paired with the tapered headtube and 12x142mm rear axle ensure the WFO remains stiff and strong from head to rear axle.

The WFO does not handle like any other long-travel bike you’ve ever ridden before. The 29” wheel platform provides a shallower angle of attack when riding over obstacles which increases your ability to get down the most rutted sections with ease, while the tapered headtube reduces fork deflection, keeping your line straight and true. The long-travel and big wheels will eat up just about anything that dares to get in your way. You’ll find yourself getting down some seriously sketchy sections quicker and easier than before.

The WFO 9 features Niner’s patented CVA suspension which is the only suspension system created for the sole purpose to be used on 29” bikes. In other words, they did not modify suspension that was created for a 26” wheel. The CVA suspension was created with the goal of craftings an efficient suspension platform for the 29" bike. Due to the location of the lower pivot bolt, chain torque effectively isolates and cancels out the forces that can create inefficiency in pedal stroke. The result is unparalleled pedal efficiency, and remarkable sensitivity. CVA has excellent small bump compliance, to ensure that your ride is smooth as well as fast.

With its slack headtube, shorter top tube and chainstays, long-travel, and no front derailleur, after it’s all said and done, the Niner WFO 9 is the closest thing to a downhill 29er. The larger 29” wheel size gobbles up roots, rocks and ruts so much its almost unfair, while the new geometry allows it to still handle with the precision and flickability of its smaller wheeled relatives. The CVA suspension system makes climbing much more efficient, reducing bob and maximizing power transfer. Between the bigger wheel size, the nearly 6” of travel, and the new geometry and suspension system, the WFO 9 is faster and smother both up hill and downhill; a pure bred Enduro machine!

The Niner WFO 9 frame can only run 1x setups, and is compatible with most standard 1x chainring systems.

Independent Review

"Anyone who has ever ridden a 29er can testify to their ability to roll over rocks and the WFO lived up to the reputation. Between the nearly 6″of travel and the large wheels, even the ugliest rock sections were a mere point-and-shoot away from cleaning. Pointed uphill, the patented CVA suspension exhibited little bob but provided lots of traction."

- BikeRumor.com. Check out the full review here

Niner WFO 9 Frame Features

  • 150mm of patented CVA suspension is controlled and sensitive
  • Compatible with 150-170mm forks
  • Tapered headtube technology
  • Airformed tube construction
  • RockShox Monarch Plus RC3 rear shock
  • Stealth Reverb compatible
  • ISCG 05 tabs and offset linkage design for chainguide compatibility

Niner WFO 9 Frame Specifications

  • 73mm English threaded BB width
  • ISCG 05 mounting tabs
  • 30.9mm seatpost size, compatible with external and “stealth” dropper post routing
  • 34.9mm seat collar size
  • 142 x 12mm Maxle rear spacing
  • Can fit up to a 2.35" tire (tire size varies by brand, some tires may not fit)
  • Medium, Large and XL have one inner triangle bottle mount
  • 1.125" - 1.5" tapered head tube, with “inset or zero stack” style headset
  • Shock size: 8.5”(215mm) x 2.5”(64mm) – 5.9”(150mm) travel
  • Shock mounting hardware width and drilling: 22mm x M8
  • Shock SAG: 25% (which will move the o-ring 16mm down the shaft)
  • Enduro Max sealed bearings – (8x) 26x17x5mm
  • Compatible with most standard 1x chainring systems. Max 1x chainring size – 38T
Geometry
Size Small Medium Large Extra Large
Seat Tube Length 16" (406mm) 18" (457mm) 20" (508mm) 22" (559mm)
Effective Top Tube Length (150) 560mm 580mm 600mm 620mm
Effective Top Tube Length (170) 564mm 584mm 604mm 624mm
Head Tube Length 100mm 100mm 110mm 125mm
Seat Angle (150) 75° 75° 75° 75°
Seat Angle (170) 74° 74° 74° 74°
Head Angle (150) 67° 67° 67° 67°
Head Angle (170) 66° 66° 66° 66°
Wheelbase (150) 1144mm 1164mm 1185mm 1203mm
Wheelbase (170) 1151mm 1171mm 1193mm 1211mm
Chain Stay Length 443mm 443mm 443mm 443mm
BB Drop (150) 29mm 29mm 29mm 29mm
BB Drop (170) 22mm 22mm 22mm 22mm
Standover Height (150) 700mm
(27.6)
730mm
(28.7")
769mm
(30.3")
800mm
(31.5")
Standover Height (170) 708mm
(27.9")
739mm
(29.1")
777mm
(30.6")
808mm
(31.8")
Stack (150) 625mm 624mm 634mm 648mm
Stack (170) 632mm 631mm 641mm 655mm
Reach (150) 398mm 418mm 436mm 449mm
Reach (170) 364mm 384mm 404mm 424mm
Sizing 5'3" - 5'9"
(160-175cm)
5'8" - 6'0"
(173-183cm)
5'11" - 6'3"
(180-191cm)
6'3" - 6'7"
(191-201cm)

Note: Geometry measurements are given for 150mm and 170mm travel fork options.

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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.