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Radius Toughrunner 20" Kids Mountain Bike Red/Black/Silver

Brand: Radius

SKU: GU8DBKM6

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Steel Frame/ Alloy Fork

under 100mm Front Travel

20" Wheel Size

V-Brake

1 x 6 Speed

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Product Details

Description

Back by popular demand the new Radius Toughrunner, this year in a slick gloss red and black colour. With a 20" junior boys hi-tensile steel frame, with Radius Junior MTB geometry. The low stand over height makes for easy mounting and confident riding while the 20" knobby tyres are great for light trails and gravel paths. With hassle free Shimano 6 speed shifting and alloy v-brakes, with alloy rims provide excellent braking performance. Full alloy youth specific short reach brake lever provides easy and confident brake operation, the 35mm travel suspension fork provides optimal riding comfort when getting off the path. The Super comfortable junior specific saddle and grips provide ultimate riding comfort and is the perfect next step for your little ripper.

Key Features

20" junior boys hi-tensile steel frame
Shimano 6-speed shifting for easy riding
Alloy v-brakes for excellent stopping power
20" knobby tyres for light trails
Comfortable junior-specific saddle and grips

Specifications

Product Overview

Product

Radius Toughrunner 20" Kids Mountain Bike Red/Black/Silver

Brand

Radius

Supplier SKU

APKI9922654

Product Features

Frame Material

Steel

Colour

Red

Wheel Size

20"

Brake Type

V-Brake

Gears

1 x 6

Fork Material

Alloy

Front Travel

under 100mm

Build

Frame

Boy's 20" geared Hi-Ten steel MTB frame with low stand over

Fork

Suspension fork

Handlebars

Riser bar 560mm wide

Stem

2 bolt 25.4 quill type stem for maximum adjustability

Seat Post

28.6 x 250mm

Accessories

Kickstand

Wheels

Wheel Size

20"

Rims

Alloy 36 hole with nutted front and rear hubs

Groupset

Brakes

Alloy linear pull brakes with short reach levers

Shifters

Shimano Revo shift 6 speed

Rear Derailleur

Shimano rear derailleur

Cassette

6 Speed

Frequently Asked Questions

What is the Radius Toughrunner 20 Kids Mountain Bike used for?

The Radius Toughrunner 20 Kids Mountain Bike is used for learning and progressing on neighbourhood rides, gravel paths and light off-road trails, offering a comfortable, capable ride for kids stepping up from smaller bikes.

Why choose the Radius Toughrunner 20 Kids Mountain Bike?

Choose the Radius Toughrunner 20 Kids Mountain Bike for its durable hi-tensile frame, Shimano 6-speed drivetrain, suspension fork and reliable alloy V-brakes — a balanced package for confidence and progression.

Who is the Radius Toughrunner 20 Kids Mountain Bike designed for?

The Radius Toughrunner 20 Kids Mountain Bike is designed for junior riders ready for a geared 20" MTB — especially boys seeking a comfortable, low stand-over bike to tackle parks, trails and everyday adventures.

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PERFECT RIDE GUARANTEE

If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

FREE BIKE BUILD

We'll build your bike for free when you click and collect at any 99 Bikes store.

FIRST FREE TUNE-UP

Every bike comes with a complimentary free tune-up and safety check. Learn more »

Low stand-over hi-tensile steel frame

Low stand-over geometry makes mounting easy and boosts rider confidence. Durable hi-tensile steel withstands jumps, bumps and everyday play.

Smooth 6-speed Shimano shifting & suspension fork

Hassle-free Shimano 6-speed gearing pairs with a 35mm travel suspension fork for comfortable control on paths and light trails. Shifters and fork make transitioning from pavement to gravel simple and fun.

Confident stopping and trail-ready tyres

Alloy V-brakes with short-reach levers deliver strong, easy-to-modulate braking for growing hands. 20" knobby tyres provide grip on light trails while alloy rims add durability.