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OFF AIR 6 26in Mountain Bike - Kids'
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More trail, more control, more confidence. The woom OFF AIR 6 is the top of the woom OFF line
What Our Gearhead® Experts Are Saying:
"The F1RST fork with 90mm of travel is the right spec for a 10 to 14 year old who is riding trails with real consequence. More travel than the smaller OFF AIR models, tunable air spring pressure, and adjustable compression and rebound mean a parent can set this fork up to match the terrain and the rider rather than just accepting whatever the factory setting happens to be."
The OFF AIR 6 shares its 6061-T6 butted and hydroformed aluminum frame with the OFF 6, with the F1RST hydraulic air suspension fork as the defining difference. At 90mm of travel, it handles more demanding terrain than the smaller OFF AIR models, and the air spring pressure can be tuned to the rider's actual weight so the fork performs as intended rather than running too stiff for a lighter teen. Adjustable compression and rebound damping let a parent or experienced rider dial in the fork behavior to the trail, and the lockout firms things up for pavement or smooth hardpack. The dropper seatpost-ready frame, SRAM X5 9-speed drivetrain with 11-36T cassette, Promax hydraulic disc brakes at 160mm front and rear, and Schwalbe Rocket Ron 26 x 2.35" tires complete a build that reflects what a progressing rider in this age range actually needs on serious terrain.
Heads up - We do our best to keep bike specs and images current, but occasional component changes can happen without warning-and sometimes the photos might not show the exact build you'll receive. If you want to double-check the details, our Gearheads are always here to help.
Details
- F1RST air fork with 90mm of travel handles the most demanding terrain in the OFF AIR line
- Air spring pressure is tunable to the rider's weight so the fork actually performs for a teen rider
- Adjustable compression and rebound let a parent dial in fork behavior to the trail conditions
- Lockout firms the fork for pavement or smooth hardpack where suspension adds drag
- Dropper seatpost-ready frame gives riders aged 10 to 14 a path to more technical capability
- 11-36T cassette covers the widest gear range in the OFF line for serious climbing
- 160mm rotors front and rear deliver proportional stopping power for bigger faster riders
- Tubeless-compatible Alexrims with triple-crossed spokes and thru axles for maximum stiffness
- Item #WOO000O
- Frame Material
- 6061 T6 aluminum
- Suspension
- hardtail
- Fork
- RST air-sprung suspension
- Front Travel
- 90mm
- Headset
- integrated 1 1/8 - 1in
- Shifters
- SRAM X5 trigger
- Rear Derailleur
- SRAM X5
- Crankset
- forged aluminum
- Chainring Sizes
- 28t
- Crank Arm Length
- 150mm
- Cassette Range
- 11 - 36t
- Brakeset
- Promax
- Brake Type
- hydraulic disc
- Rotors
- 160mm
- Handlebar
- aluminum
- Handlebar Width
- 665mm
- Grips
- silicone, lock-on
- Stem
- forged aluminum
- Stem Length
- 50mm
- Saddle
- ergonomic
- Seatpost
- aluminum
- Wheelset
- Alexrims
- Hubs
- aluminum
- Front Axle
- 15 x 100mm thru
- Rear Axle
- 12 x 135mm thru
- Tires
- Schwalbe Rocket Ron, ADDIX SPEED
- Tire Size
- 26 x 2.35in
- Pedals
- platform
- Claimed Weight
- 24.7lb (11.2kg)
- Activity
- trail
- Manufacturer Warranty
- 2 years
Built For Real Terrain Riding

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Built For Confident Riding

Lightweight Trail Frame
A lightweight aluminum frame keeps handling responsive and durable for confident riding on trails

Disc Brakes
Powerful disc brakes with adjustable levers provide consistent stopping power and control in mud, dirt, and wet conditions

9-Speed Drivetrain
A wide-range 9-speed drivetrain delivers smooth, precise shifting and reliable pedaling across climbs and descents

Grippy Trail Tires
Tubeless-ready tires balance low rolling resistance with strong grip for confident riding on loose and uneven terrain

Dropper-Ready Frame
Designed so riders can upgrade to a dropper post for more control and confidence on descents
Choose Your Ride

OFF Carbon Fork — Smooth Trails
A lightweight carbon fork keeps the bike efficient and responsive while reducing vibration on smoother trails

OFF AIR Suspension Fork — Rough Terrain
An adjustable suspension fork absorbs bumps and improves traction for more control on rough terrain
Find The Right Size



Geometry Chart

Size Chart

Complete Your Setup

Made To Grow With Every Ride
woom started in a Vienna garage when two bike‑obsessed dads reimagined kids’ bikes from the ground up, engineering superlight, child‑specific designs that turned first wobbles into real, joyful riding. Today their award‑winning lineup evolves with kids, moving from tiny first bikes to more advanced models that keep pace as skills, confidence, and ride ambitions grow.