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This item is considered oversized. Due to increased shipping rates and surcharges from carriers, including UPS and FedEx, this item will incur an additional Peak Season Surcharge Oversized Fee. Such surcharges will remain in place UNTIL FURTHER NOTICE, or until such time UPS and FedEx suspend these fees. You may find out more about Peak Surcharges on ups.com and fedex.com.

Niner

Niner AIR 9 2-Star Mountain Bike 2021

Silver
    Free Ship
  • Silver

Niner

Niner AIR 9 2-Star Mountain Bike 2021

$1,800.00 + Free Shipping!
Color:
Silver
CG Rewards Members Earn 1800 Points w/ Purchase of This Product!   Learn More
An aluminum hardtail with the DNA of a trail bike.

If a cross-country race bike met a rugged trail bike in the woods, their love child might look a lot like our AIR 9 aluminum hardtail. This bike blends the agility and efficiency of a pedal-friendly XC bike with the versatility, toughness and capability of a rowdy trail rig.

Hit the trail on the 2-Star SRAM SX build kit, without a hit to your wallet. Thanks to SRAM’s outstanding SX Eagle drivetrain, we can bring every ounce of AIR 9 performance to an affordable price level.   
Frame:NINER HYDROFORMED AND WELDED 6061-T6 ALUMINUM
Fork:MARZOCCHI BOMBER Z2 RAIL, 120MM, 110X15MM, 44MM OFFSET
Rear Suspension:N/A
Crankset:SRAM X1 1K EAGLE DUB, 32 T
Shifters:SRAM SX EAGLE 12SP
Derailleur:SRAM SX EAGLE 12SP
Headset:NINER INTEGRATED SHIS DESCRIPTION IS42/28.6|IS52/40
Wheelset:NINER ALLOY, 30MM INTERNAL
Seatpost:NINER ALLOY SEAT POST, 370MM, NINER GRAPHIC
Stem:RACE FACE AEFFECT R 40MM, 35MM CLAMP
Handlebars:RACE FACE AEFFECT R 780MM WIDE, 20MM RISE, 35MM CLAMP
Saddle:NINER CUSTOM WITH CR-MO RAILS, EMBOSSED NINER GRAPHIC
Cassette:SRAM PG1210 11-50T
Brakes:SRAM LEVEL
Tires:F: SCHWALBE NOBBY NIC EVO SUPER TRAIL TLE ADDIX SPEEDGRIP 2.6 R: SCHWALBE NOBBY NIC EVO SUPER TRAIL TLE ADDIX SPEEDGRIP 2.35
Bottom Bracket:SRAM DUB PF30
Pedals:N/A
size guide

All bikes purchased through City Grounds MUST be assembled by a certified bike shop mechanic. If the bike is NOT built by a certified bike shop mechanic, any warranty will be VOID. We will request for an assembly receipt as proof of professional installation.

For all warranty claims, please contact our Warranty Team at warranty@citygrounds.com. So that we can help you in a timely manner, make sure to include the following:

  • 1. Order Number (we will confirm date of purchase and determine if the item is still under the manufacturer’s warranty time limit)
  • 2. Brief description of the claim
  • 3. Photographs
  • 4. If the item is a bike or frame, include the serial number

We evaluate all warranties case-by-case to determine the best course of action and get you serviced to the best of our ability!

Warranty does not apply to the following:

  • • Any part of a product that has been installed, altered, repaired, or misused
  • • Damage from unintended style of riding, abuse, neglect, accident, and racing
  • • Normal wear and tear of any product (including but not limited to - saddles, grips, tires, tubes, cables, brake pads, chains)
  • • Failure to provide regular maintenance of any product

Labor and shipping are the responsibility of the customer. We do not cover parts purchased and labor performed by another bike shop.

Note: Warranty is for original owner only.

Hydroformed aluminum frame

Welded, hydroformed aluminum yields a strong, lightweight frame with tube shapes for optimized ride quality.

Tire clearance

Need room to roam? We got it. The AIR 9 has clearance to run your choice of 29er or 27.5+ wheels and tires.

Biocentric 30

Do you yearn for simplicity? Our patented BioCentric bottom bracket system gives you the freedom to easily go single-speed or geared.

Protection where you need it

Niner uses the smoothest, most durable pivot bearings in the industry. Made by Enduro, they're built for life.

An aluminum hardtail with the DNA of a trail bike.

If a cross-country race bike met a rugged trail bike in the woods, their love child might look a lot like our AIR 9 aluminum hardtail. This bike blends the agility and efficiency of a pedal-friendly XC bike with the versatility, toughness and capability of a rowdy trail rig.

Hit the trail on the 2-Star SRAM SX build kit, without a hit to your wallet. Thanks to SRAM’s outstanding SX Eagle drivetrain, we can bring every ounce of AIR 9 performance to an affordable price level.   
Frame:NINER HYDROFORMED AND WELDED 6061-T6 ALUMINUM
Fork:MARZOCCHI BOMBER Z2 RAIL, 120MM, 110X15MM, 44MM OFFSET
Rear Suspension:N/A
Crankset:SRAM X1 1K EAGLE DUB, 32 T
Shifters:SRAM SX EAGLE 12SP
Derailleur:SRAM SX EAGLE 12SP
Headset:NINER INTEGRATED SHIS DESCRIPTION IS42/28.6|IS52/40
Wheelset:NINER ALLOY, 30MM INTERNAL
Seatpost:NINER ALLOY SEAT POST, 370MM, NINER GRAPHIC
Stem:RACE FACE AEFFECT R 40MM, 35MM CLAMP
Handlebars:RACE FACE AEFFECT R 780MM WIDE, 20MM RISE, 35MM CLAMP
Saddle:NINER CUSTOM WITH CR-MO RAILS, EMBOSSED NINER GRAPHIC
Cassette:SRAM PG1210 11-50T
Brakes:SRAM LEVEL
Tires:F: SCHWALBE NOBBY NIC EVO SUPER TRAIL TLE ADDIX SPEEDGRIP 2.6 R: SCHWALBE NOBBY NIC EVO SUPER TRAIL TLE ADDIX SPEEDGRIP 2.35
Bottom Bracket:SRAM DUB PF30
Pedals:N/A

All bikes purchased through City Grounds MUST be assembled by a certified bike shop mechanic. If the bike is NOT built by a certified bike shop mechanic, any warranty will be VOID. We will request for an assembly receipt as proof of professional installation.

For all warranty claims, please contact our Warranty Team at warranty@citygrounds.com. So that we can help you in a timely manner, make sure to include the following:

  • 1. Order Number (we will confirm date of purchase and determine if the item is still under the manufacturer’s warranty time limit)
  • 2. Brief description of the claim
  • 3. Photographs
  • 4. If the item is a bike or frame, include the serial number

We evaluate all warranties case-by-case to determine the best course of action and get you serviced to the best of our ability!

Warranty does not apply to the following:

  • • Any part of a product that has been installed, altered, repaired, or misused
  • • Damage from unintended style of riding, abuse, neglect, accident, and racing
  • • Normal wear and tear of any product (including but not limited to - saddles, grips, tires, tubes, cables, brake pads, chains)
  • • Failure to provide regular maintenance of any product

Labor and shipping are the responsibility of the customer. We do not cover parts purchased and labor performed by another bike shop.

Note: Warranty is for original owner only.

size guide

Hydroformed aluminum frame

Welded, hydroformed aluminum yields a strong, lightweight frame with tube shapes for optimized ride quality.

Tire clearance

Need room to roam? We got it. The AIR 9 has clearance to run your choice of 29er or 27.5+ wheels and tires.

Biocentric 30

Do you yearn for simplicity? Our patented BioCentric bottom bracket system gives you the freedom to easily go single-speed or geared.

Protection where you need it

Niner uses the smoothest, most durable pivot bearings in the industry. Made by Enduro, they're built for life.

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