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2022 woom

OFF AIR 4

A 20″ aluminum frame mountain youth bike with promax hydraulic disc brakes.
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Manufacturer Price

$949
Weight19.9 lbs  
FrameAluminum
SuspensionHardtail, 60mm
Wheels20″ Aluminum
BrakesPromax Hydraulic Disc
Where to Buy
Similar Bikes
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Reviews
Bikerumor
Updated Woom OFF and Woom OFF Air Are Made for Mountains

Jul 2023 · Jordan Villella

The new version of the Woom OFF and OFF Air kid's mountain bikes get lighter, and a few new features to make them more capable than ever!

Read Review

Cycling News
Woom Off 6 Bike review - A kid’s bike that inspires confidence

Jul 2023 · Josh Ross

A real bike for real riders who just happen to be small

Highs
  • Tubeless ready wheels and tyres

  • Hydraulic brakes

  • Dropper post compatible

  • Lightweight frame

  • Age appropriate gearing

  • Upright, stable geometry

Lows
  • Lacks a rear derailleur protector

  • Chainstay protector peels in heat

  • Setting seat angle is a hassle

  • Not setup tubeless from the factory

Read Review

CX Magazine
Review: Woom Off 5 24" Wheel Rigid CX / Mountain Bike

Nov 2019 · Clifford Lee

Younger rippers have limited options in capable, lightweight off-road race bikes. The $679, 18.9 pound rigid Woom Off 5 is a compelling option. We put it to the test.

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Specs
Build
Frame

Frame material: lightweight, high-quality 6061 T6 aluminum with butted and hydroformed tubes, 20" wheels, Easy-access low top tube to assist dismounting, Long wheelbase and low center of gravity to aid balancing

Fork

Hydraulic air suspension fork with 60 mm travel, adjustable compression and rebound damping, plus lock-out, 1 1/8″ – 1″ baby taper shaft, 100 x 15 mm thru axle, Post mount for disc brake

Travel60mm

Spring TypeAir

Headset

Fully integrated 1" – 1 ⅛" headset, Sealed industrial bearings

Stem

Forged aluminum, CNC-machined, Handlebars attached via two clamps, +/-15° flip-flop design to adjust handlebar height, Length: 50 mm

Handlebar

Wide, ergonomically adapted and lightweight aluminum bars for more control, Sandblasted and silver anodised, Width: 580 mm, Rise: 20 mm

Saddle

Ergonomically designed to fit children's pelvis, Non-toxic, Side protection to lean against walls

Seatpost

27.2 x 250 mm, Anodized aluminum seatpost with insertion marks that indicate the minimum insertion depth

TypeRigid

Grips

Child-friendly thanks to small diameter, 100% silicone for maximum grip, Non-toxic, Screwed-in end plugs

Groupset
Brakes

Hydraulic disc brakes by Promax, Rotor diameter front/back: 140/140 mm, Ergonomic brake levers designed for children's hands

TypePromax Hydraulic Disc

Wheels
Rims

Superlight woom OFF DISCO TEC double-chamber aluminum rims, Aluminum hubs with sealed industrial bearings, Thru axles for maximum torsional strength (100 x 15 mm front / 135 x 12 mm rear), 20 G14 spokes, double-crossed spoking, Aluminum nipples

Tires

20 x 2.25″ Schwalbe Rocket Ron with ADDIX SPEED rubber compound, Quality MTB tires with low rolling resistance, maximum grip, good shock absorption and excellent durability, Car-type valves for easy filling at any gas station

Rider Notes
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First added January 6

Last updated February 4

Not listed for 1,210 days