The Frog City 53 kids' bike is a lightweight, 20-inch urban bike designed for young riders who nee...The Frog City 53 kids' bike is a lightweight, 20-inch urban bike designed for young riders who need a practical, reliable ride for everyday journeys. With its easy step-through frame, upright riding position, and smooth-rolling city tyres, this bike is built for comfort and confidence on school runs, park rides, and trips around town. Fully equipped with thoughtful features like mudguards, a pannier rack, and a kickstand, the Frog City 53 combines style, safety, and efficiency, making it the perfect geared bike for daily city adventures. The Frog City 53 is suitable for children with an inside leg measurement of 49–65cm.
Key Features:
Lightweight, 8.45kg 20-inch urban bike designed for young riders.
Small, easy-to-reach brake levers for better control and improved rider confidence.
Equipped with FrogFit Technology® youth-specific 8-speed gears, making gear changes easy and intuitive.
Patented Frog cranks for more effortless pedalling, increasing efficiency and comfort.
Step-through aluminium frame, adjustable handlebar (40mm range), and quick-release child-specific saddle.
The floating chain glider protects clothing from getting caught in the chain and reduces maintenance.
Fully fitted for daily urban cycling, including full-length mudguards, kickstand, and a rear pannier rack.
Suitable for children aged 5-7 years with an inside leg measurement of 49–65cm.
Specifications:
Frameset:
Frame: 6061 T6 heat treated Aluminum alloy, seat tube 11 (280mm)
Fork: 6061 T6 heat treated Aluminum alloy, seat tube 11 (280mm)
Wheels:
Wheelset: Aluminum, 20, double wall, machined braking surface
Tyres: Kenda K154, 20x1.5, City, (ETRTO/ISO 38-406)
Mudguards: Full length, resin, black
Drivetrain:
Pedals: Frog Bikes, eco-friendly rice husk & plastic composite, with reflectors, 9/16
Rear Derailleur: Shimano Altus, M310 OR Microshift, Mezzo, RD-M36S, short cage, 8-speed
Shifters: FrogFitTechnology® youth-specific 8-speed gear shifters with short lever travel and ultraslick gear cable
Chain: KMC, 8-speed
Crankset: Frog Bikes Patented,114mm, Aluminum straight arm cranks, 32T chainring, black
Components:
Handlebar: Alloy, 540mm width, 60mm rise, 25 sweep
Stem: Aluminum, 11/8, 38mm, 4 bolt clamp
Brakes: Tektro 836AL, Aluminum, linear pull
Brake Levers: Tektro JL510, Aluminum, easy reach
Saddle: Frog Bikes child-specific saddle (small), steel rails
Frog City 53 - 20 Inch Kids Bike Black£49.99 delivery£389.00Visit shop →
Product Information
Full details
The Frog City 53 is a lightweight, 20-inch urban bike perfect for children aged 5-7 years (49-65cm inside leg measurement) who need a reliable and comfortable bike for daily rides. Its key benefit is the ease of use, with an accessible step-through frame and intuitive 8-speed gears, making city journeys effortless. A potential caveat for some users might be the specific sizing, so verifying the inside leg measurement is crucial. This bike combines a durable aluminum frame, child-specific components, and essential accessories like mudguards and a pannier rack for practical urban cycling.
All features
Model Part Number
5060488652059
Brand
Frog
Extended Product Information
FAQs
What age is the Frog City 53 suitable for?
The Frog City 53 is generally suitable for children aged 5-7 years, provided their inside leg measurement is between 49cm and 65cm.
How do I adjust the seat height?
The saddle height is adjusted using the quick-release lever located on the seat post. Loosen the lever, slide the saddle to the desired height, and retighten the lever firmly.
Does the bike come with pedals?
Yes, the bike comes with eco-friendly rice husk and plastic composite pedals equipped with reflectors.
Can I attach a child seat to this bike?
The bike is equipped with a rear pannier rack, which may support some pannier-mounted child seats. However, compatibility should be checked with the specific child seat manufacturer. It is not designed for frame-mounted seats.
What maintenance does the floating chain glider require?
The floating chain glider requires minimal maintenance. It should be kept clean and free from debris that could impede its function or catch clothing.
What is the warranty on the Frog City 53?
Specific warranty details are typically provided by the retailer. Frog Bikes generally offers a warranty on frames and forks, with other components having standard manufacturer warranties. Please check your purchase documentation for exact terms.
Is this bike good for off-road trails?
The Frog City 53 is primarily designed for urban cycling. While it can handle light trails or park paths, its city tires and gearing are optimized for paved surfaces and are not ideal for aggressive off-road riding.
Troubleshooting
Bike feels sluggish or hard to pedal
Check tire pressure, ensure the chain is lubricated and clean, and inspect the floating chain glider for obstructions. Gears may need adjustment.
Brakes are not engaging effectively
Ensure brake pads are not worn and are properly aligned with the wheel rim. Check cable tension and adjust as needed. Consult a mechanic if issues persist.
Gears are skipping or not shifting smoothly
Clean and lubricate the chain and gear mechanism. Check for any bends in the derailleur hanger. Fine-tuning of the shifters and derailleurs may be required; professional adjustment is recommended.
Chain is falling off
Verify the alignment of the front chainring and the floating chain glider. Ensure the chain is the correct length and tension. Check that the chain glider is properly seated.
Pros and Cons
Pros
Extremely lightweight for easy handling by children.
Intuitive and easy-to-use 8-speed gearing system.
Comfort-focused design with patented cranks and adjustable fit options.
Includes essential accessories for urban commuting like mudguards and a rack.
Durable aluminum frame built for regular use.
Cons
Specific sizing requires careful measurement of the child's inside leg.
8-speed gears may be more than some younger children initially need.
While durable, the aluminum frame might show cosmetic wear from frequent use.
The focus is on urban riding, so off-road capabilities are limited.
Setup, Compatibility & Care Instructions
Setup: Upon receiving the bike, ensure all components are securely fastened. The handlebar may require minor adjustment to suit the rider's height. The saddle height is easily adjusted using the quick-release lever. It's recommended to have the gears and brakes checked and fine-tuned by a qualified bicycle mechanic for optimal performance and safety.
Compatibility: This bike is designed for children with an inside leg measurement of 49–65cm, typically fitting ages 5-7 years. The 20-inch wheels and 8-speed drivetrain are standard for this size category. The rear pannier rack is compatible with standard pannier bags.
Care: To maintain the Frog City 53, regularly clean the frame with a damp cloth. Keep the chain lubricated and clean the floating chain glider periodically. Check tire pressure often and ensure brakes are functioning correctly. Store the bike in a dry place to prevent rust and component degradation.