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Woom OFF 4

£855.00

Woom OFF 4 | 20" Kids Mountain BikeMinimal weight. Maximum fun.The Woom OFF 4 is an ultralight, high-performance mountain bike designed for children aged six and above. Perfect for introducing young riders to off-road cycling, this bike combines child-specific geometry, ergonomic design, and premium components to deliver exceptional control, confidence, — Read More

GTIN (UPC): WOOMOFF4 Categories: , ,

Spread the cost from £64.13 monthly*

Buying Guides

Description

Woom OFF 4 | 20″ Kids Mountain Bike

Minimal weight. Maximum fun.

The Woom OFF 4 is an ultralight, high-performance mountain bike designed for children aged six and above. Perfect for introducing young riders to off-road cycling, this bike combines child-specific geometry, ergonomic design, and premium components to deliver exceptional control, confidence, and safety.

Built with a lightweight 6061 T6 aluminium frame featuring hydroformed and butted tubes, the Woom OFF 4 offers a low top tube, long wheelbase, and low centre of gravity for stable, balanced handling on trails. Its durable chainstay protector and thoughtfully engineered components ensure the bike withstands everyday adventures while keeping scratches and wear to a minimum.

Equipped with a 9-speed SRAM X5 drivetrain and trigger shifter, this bike allows young riders to shift smoothly across diverse terrain. The Woom carbon fork provides high torsional stiffness, precise steering, and supports disc brakes with a 100 x 15 mm thru-axle. Lightweight, tubeless-ready Alexrims aluminium wheels paired with Schwalbe Rocket Ron tyres offer excellent traction and grip, helping children ride confidently on any surface.

Key Features

  • Lightweight 6061 T6 aluminium frame with hydroformed tubes

  • Child-specific geometry with low top tube and long wheelbase

  • 9-speed SRAM X5 drivetrain for smooth gear changes

  • Woom carbon fork with high torsional stiffness

  • Tubeless-ready 20″ Alexrims aluminium wheels

  • Schwalbe Rocket Ron 20 x 2.25″ tyres with ADDIX SPEED compound

  • Hydraulic disc brakes by Promax with 140 mm rotors front and rear

  • Ergonomic MTB saddle and handlebars designed for young riders

  • Child-friendly grips with reinforced contact surface and lock-on design

  • Forged aluminium cranks with narrow Q-factor and platform pedals with metal pins

  • Quick-release aluminium seatpost clamp for easy adjustment

The Woom OFF 4 is ideal for children ready to explore trails, build confidence, and take their cycling skills to the next level. Its lightweight construction, premium components, and safety-focused design make it the ultimate mountain bike for young adventurers.

Bike specifications are advised by the manufacturer and can be subject to change without prior warning.

Please call our helpful sales team on 01539 821 443 or email us for the latest up-to-date product information.

Specification

Frame

Frame material: lightweight, high-quality 6061 T6 aluminum with butted and hydroformed tubes. 20? wheels. Confidence-inspiring handling: an easy-access low top tube, low center of gravity and long wheelbase provide good balance and make for a fun, safe ri
Stem

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

Wide, lightweight aluminum bars with tapered ends. Width: 570 mm. Rise: 20 mm
Tape Grips

Child-friendly thanks to small diameter. Ultra comfortable thanks to reinforced contact surface for palms. 100% silicone for maximum grip. Lock-on design to eliminate twisting
Brakes

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

9-speed gearing. SRAM X5 rear derailleur
Shift Levers

SRAM X5 trigger shifter
Chainset

Lightweight forged aluminum 110 mm cranks with narrow Q-factor. Narrow-wide chainring with 28 teeth
Pedals

Platform pedals made from fiber-reinforced nylon with metal pins for added gripPlatform pedals made from fiber-reinforced nylon with metal pins for added grip
Wheels

Lightweight, tubeless-ready aluminum rims from Alexrims. Size: 20?. Aluminum hubs with sealed industrial bearings. Thru-axles for maximum torsional strength (100 x 15 mm front / 135 x 12 mm rear). 20 spokes, double-crossed spoking. Aluminum nipples
Front Tyre

20 x 2.25" Schwalbe Rocket Ron
Rear Tyre

20 x 2.25" Schwalbe Rocket Ron
Saddle

MTB-specific saddle. Trail-ready design. Ergonomic and age-appropriate design to fit the rider's pelvis. Side protection for leaning against walls
Seat Post

27.2 x 250 mm. Anodized aluminum seatpost with minimum insertion mark

Add bike + kit to your basket

Add bike + kit to your basket

Checkout with V12 Finance with online acceptance

Checkout with V12 Finance with online acceptance

We contact you to confirm order and arrange shipping

We contact you to confirm order and arrange shipping

Please use our calculator below to help you see what finance options are available. To apply for finance, please select this option at the checkout.
Step 1:Choose your finance option

Please specify the finance option that you wish to choose.

From £64.07 per month.

Step 2:Choose your deposit amount

Please specify the deposit amount that you wish to pay.

The accepted value is between £85.50 and £256.50

Representative finance example

Amount of credit £769.50. 12 monthly repayments of £64.07. Representative APR 0.00%. Total amount repayable £769.50.
APR Fixed 0.00%
Installment Amount £64.07/month
Repayment Term 12 months
Total Interest Charged £0.00
Deposit Amount £85.50

Cycle to work scheme

Wheelbase has teamed up with CycleScheme, Bike2Work Scheme, Green Commute Initiative, as well as, Vivup, Gogeta, Cycle Solutions & Halfords to offer PAYE employees a healthier way to commute. The scheme stems from the U.K Government's Green Transport Plan which is designed to get more people out and about riding bikes and reaping the multitude of personal and environmental benefits!

To make a purchase using a Cycle To Work Voucher, please submit an enquiry using this form. We are happy to reserve the bike for up to two weeks with a holding deposit whilst you await your voucher. If you would like us to go ahead and set up your order, please submit a shipping address and phone number. These details are required to process the order. We will make contact to confirm your order and advise the next steps.

If you would like more information, feel free to submit the enquiry without a shipping address.

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