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2017 Niner Jet 9 RDO 27.5+ 3-Star XT Complete Mountain Bike

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Price:
$3,249.00
Availability:
in stock
Shipping:
$85.00 (Fixed shipping cost)
*Colour:
*Warranty:
Size:
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Product Description

2017 Niner Jet 9 RDO 27.5+ 3-Star XT Complete Mountain Bike

 

The latest addition to Niner's trail bike team is—wait for it—27.5+ compatible. Given that Niner is literally named after wagon wheels, the Jet 9 RDO 27.5+ 3-Star XT Complete Mountain Bike's brave departure may initially be unsettling to the brand faithful; however, we're confident that the added capabilities of 27.5+ will more than win over any 29er heroes. The new wheel size isn't the only big change, though. The 2017 Jet 9 represents a radical departure from the previous Jet geometry. It's now longer across the top, slacker up front, steeper out back, and has 20 more millimeters of Continuously Varying Arc (CVA) travel. When combined with the plush traction of the 27.5+ platform, these changes equate to better climbing and—more importantly—a more aggressive approach to trail furniture typically reserved for all-mountain bikes.

As with most bikes in the current trail generation, the key element underwriting the new Jet 9's versatile geometry is its Boost rear axle. Bumping the spacing up to 148mm lets Niner chop 21mm off of chainstays by slamming the rear wheel up into the seat tube. The extra clearance also allows for 3in tires on 27.5 rims, which equates to more traction across rain-slicked roots and a bit more cushion when the terrain gets chunky. The steeper seat tube keeps you centered over the pedals for more efficient climbing while the included dropper post allows you to clear out some cockpit space so you can throw the bike around on descents.

The 27.5+ Jet 9 also includes a deeper fork, running 140mm instead of the 29er model's 130. This keeps the geometry relatively in line across wheel sizes, though the 27.5+ version does shed an extra half degree in the head tube. This positions the 27.5+ Jet 9 that much closer to enduro nastiness. It also pairs nicely with the new iteration's longer reach and shorter stem, making for a bike that can ride roughshod across all manner of trail furniture without sacrificing responsive steering. Slack head tubes are fun, but we're occasionally frustrated by their muddy responsiveness. The Jet 9 lives up to Niner's reputation of nimble, big-wheeled machines by applying that ethos to the mid-wheel range and ensuring that enduro aggression doesn't come at the cost of control.

Despite the above changes, Niner's Race Day Optimized (RDO) construction process remains relatively unchanged. This is a good thing, as Niner's compaction method presses out any excess resin and compacts the carbon down to a uniform wall thickness. This gives Niner precise control over where material is and where it isn't, letting the engineers actually engineer the frame by reducing weight where it's not needed while ensuring stiffness and durability at key areas of power transfer and abuse.

The CVA suspension model is also virtually unchanged. CVA is designed specifically around 29in wheels to keep the big-rim platform balanced between taut and supple. Since there's little difference in the dimensions between 29 and 27.5+ platforms, it translates well to donut-tire models. CVA's low compression ratio means there's less need for suspension preload, so the mechanism can float more freely and react more readily to the terrain without being loose or sloppy. The lower linkage's placement beneath the bottom bracket isolates pedal input from suspension action to prevent the system from bobbing or back-kicking, resulting in a smooth but efficient bike that's responsive to both your power and the trail's trickery.

The frame's finishing details are everything you'd expect from the obsessive developers at Niner, and our favorite new addition is—far and away—the inclusion of a BSA threaded bottom bracket. PressFit shells may be lighter and more convenient, but the exact tolerances of a CNC-machined thread are virtually unsurpassable by today's composite technology. The threading means bearing cups install perfectly, reducing wear over time and eliminating the creaks, groans, and pops that so often accompany PressFit models. Vulnerable bits are girded with titanium protection plates. The frame also includes integrated batter storage in case you get the urge for electro shifting and the revised axle spacing and geometry dimensions accommodate 29er tires up to 2.4in and 27.5 tires up to 3in.

Niner's brave departure into the realm of 27.5+ trail bikes

20mm more CVA suspension compared to previous Jet 9

Updated geometry climbs faster and descends harder

Plus-sized tires for more traction and lower PSI

RDO carbon construction drops grams to gain speed

Compatible with electronic drivetrain routing and battery storage

Shimano's workhorse drivetrain fears no trail

Plush tires add cushion for enduro shredfests and bikepacking epics

 

2017 Niner Jet 9 RDO 27.5+ 3-Star XT Complete Mountain Bike

Frame Material:

RDO carbon fiber

Suspension:

CVA

Rear Shock:

RockShox Monarch Debonair

Rear Travel:

120 mm

Fork:

RockShox Pike RC Solo Air

Front Travel:

140 mm

Headset:

44 / 56 mm Cane Creek Zero Stack

Shifters:

Shimano XT M8000

Front Derailleur:

n/a

Rear Derailleur:

Shimano XT M8000 GS Shadow Plus

ISCG Tabs:

yes, ISCG 05

Crankset:

32 t Race Face Turbine

Bottom Bracket:

Race Face BSA

Cassette:

11 - 46 t Shimano XT M8000

Chain:

Shimano XT M8000

Brakeset:

Shimano XT M8000

Brake Type:

hydraulic disc

Rotors:

180 / 160 mm Shimano RT86 Ice Tech

Handlebar:

Race Face Aeffect

Handlebar Rise:

20 mm

Handlebar Width:

760 mm

Grips:

Niner Grrrips

Stem:

Race Face Aeffect

Saddle:

Niner Custom with Cr-Mo rails

Seatpost:

KS Dropzone R

Seatpost Diameter:

30.9 mm

Seat Collar:

34.9 mm

Wheelset:

Stan's NoTubes ZTR Baron S1

Hubs:

Stan's NoTubes Neo

Front Axle:

15 x 110mm Boost thru-axle

Rear Axle:

12 x 148mm Boost thru-axle

Tires:

[front] Maxxis Rekon+ DC/EXO/TR, [rear] Maxxis Ikon+ 3C/EXO/TR

Tire Size:

[front] 27.5 x 2.8 in, [rear] 27.5 x 2.8 in

Pedals:

not included

Recommended Use:

trail

Manufacturer Warranty:

5 years on frame

Actual Weight:

Blaze Yellow, M: 13160g

 

2017 Niner Jet 9 RDO 27.5+ 3-Star XT Complete Mountain Bike

GEOMETRY CHART

Jet 9 RDO

130mm Travel Fork

 

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Stand Over

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Drop

(BBD)

Chainstay

(CS)

Wheelbase

XS

14in

22in

23.3in

15.5in

26.4in

3.7in

67.5o

74.5o

1.2in

17.1in

43.9in

S

15in

22.7in

23.7in

16.1in

27in

4.1in

67.5o

74.5o

1.2in

17.1in

44.7in

M

17in

23.5in

24.2in

16.8in

28.7in

4.7in

67.5o

74.5o

1.2in

17.1in

45.5in

L

19in

24.4in

24.6in

17.5in

29.8in

5.1in

67.5o

74.5o

1.2in

17.1in

46.4in

XL

21in

25.3in

25.1in

18.3in

31.1in

5.7in

67.5o

74.5o

1.2in

17.1in

47.4in

140mm Travel Fork

 

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Stand Over

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Drop

(BBD)

Chainstay

(CS)

Wheelbase

XS

14in

22.1in

23.4in

15.3in

26.5in

3.7in

67o

74o

1.1in

17.1in

44.1in

S

15in

22.8in

23.8in

15.9in

27.2in

4.1in

67o

74o

1.1in

17.1in

44.8in

M

17in

23.6in

24.4in

16.6in

28.8in

4.7in

67o

74o

1.1in

17.1in

45.7in

L

19in

24.5in

24.7in

17.4in

30in

5.1in

67o

74o

1.1in

17.1in

46.6in

XL

21in

25.4in

25.3in

18.1in

31.3in

5.7in

67o

74o

1.1in

17.1in

47.5in


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