woom OFF 4

Bike 20″ • 7,8 kg
Child 68 years • 115130 cm

€ 699,00 699.0 EUR

€ 582,50

incl. VAT plus shipping
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 OFF  
Get out and explore

The woom OFF 4 gives children aged six years and older a superlight and durable mountain bike for their first go on the pump track and easy cruising through forests and fields. The kink in the top tube makes it easy to get on and off quickly in any situation, thereby giving kids greater safety out and about on the trails. The perfect introduction to mountain biking.

  • Size 20"
  • Weight 7.8 kg
  • Age 6 - 8 years
  • Size 118 – 130 cm
  • Available editions:
  • OFF

Get out and explore

woom frame

The superlight aluminum frame with butted hydroformed tubes has a sporty geometry, long wheelbase and flat steering angle. The kink in the top tube makes it easy to dismount quickly in any situation.

"With the woom OFF we are expanding our range to include a mountain bike that makes no compromises when it comes to design and quality."

Marcus IhlenfeldFounder of woom
OFF

Bike geometry

Tyre/wheel size 20"
Cockpit/handlebar height 770 mm (30.3″)
Steering angle 68°
Top tube horizontal 460 mm (18″)
Wheelbase 850 mm (33″)
Seat tube angle 70°
Minimum saddle height 605 mm (23.9″)
Maximum saddle height 750 mm (29.5″)
Crank length 110 mm (4.33″)
Handlebar adjustability Angle +/-15°; Height +/- 12 mm (0.47″)
OFF

Specifications

Frame
  • Frame material: lightweight, high-quality 6061 T6 aluminum with butted and hydroformed tubes
  • 20" wheels
  • Sporty handling: an easy-access low top tube, low centre of gravity and long wheelbase provide good balance and make for a fun, safe riding experience
Gears
  • 9 speeds
  • SRAM X5 trigger shifter
  • SRAM X5 rear derailleur
Fork
  • Light carbon fork
  • 1" – 1 1/8" baby taper shaft
  • 100 x 15 mm through axles
  • Post mount for disc brake
Wheels
  • Superlight woom OFF DISCO TEC double-chamber aluminum rims
  • Aluminum hubs with sealed industrial bearings
  • Through axles for maximum torsional strength (100 x 15 mm front / 135 x 12 mm rear)
  • 20 G14 spokes, double-crossed spoking
  • Aluminum nipples
Headset
  • Fully integrated 1" – 1 1/8" headset
  • Sealed industrial bearings
Tyres
  • 20 x 2.25″ Schwalbe Rocket Ron with ADDIX SPEED rubber compound
  • Quality MTB tyres with low rolling resistance, maximum grip, good shock absorption and excellent durability
  • Car-type valves for easy filling at any gas station
Stem
  • Forged aluminum
  • CNC-machined
  • Handlebars attached via two clamps
  • +/-15° flip-flop design to adjust handlebar height
  • Length: 50 mm
Saddle
  • Ergonomically designed to fit children's pelvis
  • Non-toxic
  • Side protection to lean against walls
Handlebars
  • Wide, ergonomically adapted and lightweight aluminum bars for more control
  • Sandblasted and silver anodised
  • Width: 600 mm
  • Rise: 20 mm
Seatpost
  • 27.2 x 250 mm
  • Anodised aluminum seatpost with insertion marks that indicate the minimum insertion depth
Grips
  • Child-friendly thanks to small diameter
  • 100% silicon for maximum grip
  • Non-toxic
  • Screwed-in end plugs
Seatpost Clamp
  • Made from aluminum
  • No risk of turning and/or twisting
Drive
  • Lightweight, forged 110 m aluminum cranks with narrow tread (Q-factor)
  • Narrow-wide chainring with 28 teeth in the front
  • Cassette with 11-32 teeth in the back
  • Flat pedals made from fibre-reinforced nylon
  • Cr-Mo axle and sealed industrial ball bearings
Enclosed tools
  • 4 mm hex key for stem and seatpost clamp
  • 8 mm hex key for front wheel and pedals
Brakes
  • Hydraulic disc brakes from Promax
  • Disc diameter front/back: 140/140mm
  • Ergonomic brake levers designed for children's hands
Weight
  • 17.2 lbs (without pedals)
Colours
  • black
Shipping dimensions
  • 112 x 64 x 23 cm

This is how we deliver your bike -
5 min., ready, go!