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woom

Child bike Off Air 4

Discover the junior woom Off Air 4 mountain bike for an all-terrain cycling experience full of lightness, robustness and technology.

£869.53
In stock
Shipped in 7 days
Description
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The ultra-light, sturdy 20" all-terrain bike with suspension fork, nine-speed derailleur and disc brakes for children aged six and over.

Frame

  • Frame material: high-quality, lightweight 6061 T6 aluminum with hydroform tapered tubes
  • Wheel size: 20 inches
  • Sporty handling: low entry, low seating position and long wheelbase ensure good grip, optimum balance and superior riding pleasure
  • Robust plastic base protector to prevent scratches

Fork

  • Aluminium suspension fork RST
  • Adjustable compression and rebound damping, lockout function
  • 60 mm travel
  • Mini tapered shaft 1 1/8″ - 1″
  • Wheel axle 100 x 15 mm
  • Post mount for disc brakes

Headset

  • Fully integrated 1 1/8″ - 1″ headset
  • Sealed industrial bearings

Stem

  • Forged aluminum
  • CNC machining
  • Handlebar secured with 2 clamps
  • Reversible +/-15° handlebar height adjustment system
  • Length: 50 mm

Handlebars

  • Wide, lightweight aluminum handlebars with tapered ends
  • Width: 570 mm
  • Riser: 20 mm

Handles

  • Child-friendly thanks to reduced diameter
  • Particularly comfortable thanks to reinforced palm contact area
  • Entirely made of silicone for a firm grip
  • Screwed handlebar ends to prevent rotation

Drive system

  • Lightweight aluminum crankset, 110 mm long, with narrow pedal spacing
  • pedal spacing (Q factor)
  • 28-tooth narrow-wide chainring
  • Cassette from 11 to 32 teeth
  • Flat pedals in fiber-reinforced nylon with metal nails for good grip
  • With Cr-Mo axle and sealed industrial ball bearings

Brakes

  • Hydraulic disc brakes Promax
  • Front/rear disc diameter: 160/140 mm
  • Ergonomic brake lever for children's hands

Derailleur

  • 9-speed
  • Gear selector SRAM X5
  • Derailleur SRAM X5

Wheels

  • Lightweight tubeless-compatible aluminum rims from Alexrims
  • Dimensions: 20″
  • Aluminum hubs with sealed industrial bearings
  • Through axles for maximum rigidity (100 x 15 mm front / 135 x 12 mm rear)
  • 20 double-cross spokes
  • Aluminum nipples

Tires

  • Schwalbe Rocket Ron 20 x 2.25″
  • With ADDIX SPEED rubber compound and Tubeless-Easy technology
  • Tubeless configuration possible
  • Presta valve

Saddle

  • MTB saddle
  • Sporty design
  • Ergonomic saddle adapted to the child's pelvis according to age group
  • Side protection for leaning against walls

Seat post

  • 27.2 x 250 mm
  • Anodized aluminum seatpost with maximum extension indicator

Seat post clamp

  • Saddle clamp rapide in aluminum
  • Long clamping lever rapide, can be operated with little force
  • No risk of rotation

Tools included

  • 4 mm Allen wrench for stem
  • 8 mm Allen key for front wheel and pedals

Weight

  • 9.2 kg (without pedals)

Colors

  • black - terra coppa

Weight limit

  • 50 kg (max. total weight of bike with rider and bag)

Dimensions

112 x 64 x 23 cm

Additional information
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Brandwoom
Supplier reference100015-0009-8001
Colorblack
Main colorBlack
GenderMixed
Age groupJunior
AssortmentOff

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