Image of Niner AIR 9 RDO 4-Star
2021

Niner AIR 9 RDO 4-Star

Niner AIR 9 2021

4700

Cross Country

Colour / Satin Carbon/Silver, Sand/Orange

Size / XS, SM, MD, LG, XL

Weight / 22 lb 8 oz (10,206 g)

Manufacturer Website

At a glance

The 2021 Niner AIR 9 RDO 4-Star is an Cross Country Carbon mountain bike. It sports 29" wheels, is priced at $4,700 USD, comes in a range of sizes, including XS, SM, MD, LG, XL, has Fox suspension and a Shimano drivetrain. The bike is part of Niner's AIR 9 range of mountain bikes.

– Internal cable routing via full sleeve cable guides, – Includes Stan’s NoTubes sealant, – Singlespeed compatible with BioCentric 30 bottom bracket system, – Di2 compatible, – Weight given for size MD

Where To Buy

Reviews

Specifications

Frameset
  • Frame
    RDO (Race Day Optimized) carbon, titanium frame guards, molded chainstay protection
  • Fork
    FOX FLOAT 32 Step-Cast (SC) Factory, EVOL, FIT4 damper, remote lockout, Kashima coating, 44mm offset, 100mm
Wheels
  • Hubs
    DT Swiss XR 1700 Spline 25 wheelset, 110x15mm Boost front, 148x12mm Boost rear with MICRO SPLINE driver
  • Wheels
    DT Swiss XR 1700 Spline 25 wheelset
  • Wheel Size
    29"
  • Spokes
    DT Swiss XR 1700 Spline 25 wheelset
  • Tires
    Front: Schwalbe Racing Ray, Evo, Super Terrain, TLE, Addix Speedgrip, 29" x 2.35"
    Rear: Schwalbe Racing Ralph, Evo, Super Terrain, TLE, Addix Speed, 29" x 2.35"
Drivetrain
  • Chain
    431mm, None, Race Face Next R, 32 tooth, Shimano Deore XT M8100, 12-speed, with QUICK-LINK
  • Crank
    Race Face Next R Carbon
  • Bottom Bracket
    58mm drop, Race Face, PF30 press-fit
  • Rear Derailleur
    Shimano Deore XT M8100, 12-speed, SGS cage
  • Shifters
    Shimano Deore XT M8100, 12-speed, I-SPEC EV bracket
Components
  • Brakeset
    Shimano Deore XT M8100, 2-piston, metal pads with cooling fins, Shimano MT800 CENTER LOCK rotors (180mm front, 160mm rear), Shimano Deore XT M8100
  • Handlebar
    Niner Flat Top RDO, 780mm
  • Saddle
    Niner Custom, CrN-Ti rails
  • Seatpost
    Niner RDO, 400mm length, 27.2mm, Single bolt, 31.8mm, 27.2mm, Single bolt, 31.8mm
  • Stem
    Niner RDO
  • Grips
    Niner Grrrips, lock-on, soft compound
  • Headset
    Niner Integrated, IS42/28.6 upper, IS52/40 lower

FAQ

Q: How much is a 2021 Niner AIR 9 RDO 4-Star?

A 2021 Niner AIR 9 RDO 4-Star is typically priced around $4,700 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: Where to buy a 2021 Niner AIR 9 RDO 4-Star?

The 2021 Niner AIR 9 RDO 4-Star may be purchased directly from Niner.

Q: How much does a 2021 Niner AIR 9 RDO 4-Star weigh?

A 2021 Niner AIR 9 RDO 4-Star weights 22 lb 8 oz (10,206 g).

Q: What size wheels does the 2021 Niner AIR 9 RDO 4-Star have?

The 2021 Niner AIR 9 RDO 4-Star has 29" wheels.

Q: What size 2021 Niner AIR 9 RDO 4-Star should I get?

The 2021 Niner AIR 9 RDO 4-Star comes in sizes XS, SM, MD, LG, XL. After measuring your height, use the size chart below to find the typical Niner AIR 9 RDO 4-Star size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

Rider Height (cm) Rider Height (in) Frame Size
148cm - 158cm 4'10" - 5'2" XS
158cm - 168cm 5'2" - 5'6" S
168cm - 178cm 5'6" - 5' 10" M
178cm - 185cm 5'10" - 6'1" L
185cm - 193cm 6'1" - 6'4" XL
193cm - 198cm 6'4" - 6'6" XXL

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