Short Description
The Polar Cosmo 18" Boys Alloy Bike in Silver is a lightweight and easy-to-ride children's bicycle designed to help young riders develop confidence and independence. Featuring an aluminium frame, child-friendly brakes and removable stabilisers, it's an excellent choice for learning to ride and enjoying outdoor adventures.

Key Features

• Lightweight Aluminium Frame: Durable alloy construction makes the bike easier for younger riders to handle and control
• 18-Inch Wheels: Designed for growing children transitioning towards more independent cycling
• Child-Friendly V-Brakes: Front and rear V-brakes with specially designed brake levers provide accessible stopping control for smaller hands
• Removable Stabilisers: Included training wheels help beginners develop balance and confidence before riding independently
• Comfortable Junior Geometry: Child-specific frame design encourages a comfortable and controlled riding position
• Adjustable Saddle and Handlebar: Allows the riding position to be adapted as your child grows
• Protective Chain Guard: Helps prevent clothing from coming into contact with the chain
• Practical Accessories: Equipped with mudguards and a bell for everyday convenience

Product Overview
The Polar Cosmo 18" Boys Alloy Bike in Silver is designed to make learning to cycle a fun, comfortable and rewarding experience. Combining lightweight aluminium construction with child-specific components, the Cosmo provides young riders with the confidence and control needed to develop their cycling skills.

The aluminium Cosmo Junior frame offers a practical balance of durability and manageable weight, while the comfortable geometry helps children maintain a natural riding position. Its 18-inch wheels and smooth-rolling tyres are well suited to neighbourhood rides, parks and paved cycle paths.

Front and rear V-brakes feature junior-sized brake levers designed for smaller hands, helping young cyclists develop effective braking skills. The included removable stabilisers offer additional support for beginners and can be taken off as balance and confidence improve.

With a protective chain guard, mudguards and bell included, the Polar Cosmo 18 is a practical and enjoyable choice for everyday family cycling adventures. Its stylish silver finish completes a bike that combines functionality, comfort and fun.

Specifications

• Brand: Polar
• Model: Cosmo 18
• Product Type: Children's / Boys' Bike
• Colour: Silver
• Frame: Aluminium Cosmo Junior
• Fork: Rigid steel
• Wheel Size: 18 inches
• Wheels: Steel
• Tyres: Pneumatic tyres with urban tread
• Front Brake: V-brake
• Rear Brake: V-brake
• Brake Levers: Junior-sized steel/PVC levers
• Drivetrain: Single speed
• Saddle: P:Lab Kid
• Seatpost: Aluminium
• Stabilisers: Removable training wheels
• Accessories: Bell, mudguards and chain guard
• Approximate Weight: 10.3 kg
• Recommended Age: Approximately 5–8 years
• Recommended Height: Approximately 100–125 cm
• Terrain: Pavement, parks and smooth cycle paths

Ideal For

• Children approximately 5–8 years old, depending on height and ability
• Young riders learning to cycle independently
• Children progressing from smaller bikes
• Family cycling adventures and outdoor recreation
• Riding around parks, neighbourhoods and cycle paths
• Parents looking for a lightweight and practical children's bicycle

What's Included

• 1 × Polar Cosmo 18" Boys Alloy Bike – Silver
• Removable stabilisers / training wheels
• Front and rear mudguards
• Bell
• Protective chain guard

Care & Notes
Regularly check tyre pressures, brake operation, wheel security and chain condition to ensure safe and reliable performance. Keep the chain clean and lightly lubricated, particularly after riding in wet conditions. Check that the saddle and handlebars are correctly adjusted to suit the rider's height. Adult supervision and a properly fitted cycling helmet are recommended. The recommended age and height ranges are approximate; correct bicycle fit should always be confirmed. Exact specifications and accessories may vary by production batch or market.

Why Buy From LK Bikes
LK Bikes offers quality bicycles from trusted brands, backed by expert advice, professional bike servicing and reliable aftersales support. Whether you're commuting, cycling for fitness or exploring Donegal's roads and trails, our experienced team can help you find the right bike for your needs.