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BYK E-450 - Silver Alloy

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Delivery and Shipping

Free Shipping on orders over $120 (excludes some large/oversized items) AUS only. 

$15 Flat rate Express Shipping option available for non-bulky items. Usually delivered the next business day (Metro Areas) AUS only.

Same Day Dispatch on orders before 2pm (excludes bikes).

Delivery times will vary from 2-5 business days for metro areas and 7-14 business days for rural and remote areas.

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E-450 | AGE: 5 - 8 YEARS | HEIGHT: 110 - 132cm


Embedded within each BYK Bike lies a meticulously crafted frame that serves as its core. Weighing in at a mere 1.2kg, the lightweight frame enhances both riding ease and maneuverability. Characterized by an ergonomic design, it guarantees an impeccable fit and exceptional handling, presenting your child with a bike that is effortlessly manageable. A distinctive element of the design is the custom-sized and shaped V-bars—a product of thorough consideration spanning shoulder width, riding posture, safety, and comfort. These handlebars are tailored specifically for young riders.


The inclusion of lightweight alloy wheels introduces a new level of pedalling ease. The heightened efficiency resulting from the taller, more effective wheel sizing provides a dynamic edge that sets the BYK bike apart from other kids' bikes. Aligning with professional practices, radial spokes have been incorporated on the front wheel. Furthermore, the selection of smooth, faster-rolling tyres is intended to minimize the strain on young legs. The tyre pattern is optimized for easy rolling and exceptional durability.


Ensuring the safety of a children's bike necessitates precise and confident braking capabilities. To achieve this, alloy front and rear callipers have been implemented featuring a lightweight action, establishing superior control alongside a simple and secure coaster-style foot brake. This assembly signifies the best of both worlds. The custom-sized V-Brakes, thoughtfully calibrated to accommodate age, skill level, and ergonomic harmony, are forged from a robust yet lightweight non-flexing alloy.

The lightweight alloy rims contribute to effortless pedalling, but their significance extends to providing a more efficient braking surface compared to cheaper chrome-plated steel rims, ultimately enhancing overall safety.

Attention to Detail:

  • Enhanced knee-to-handlebar clearance to accommodate growing bodies

  • A lengthened wheelbase for steadfast handling at higher speeds

  • An alloy seat clamp for added durability

  • Individually tailored crank lengths

  • An ergonomic riding triangle uniting pedals, seat, and handlebar to optimize balance and efficiency

  • Pedals equipped with bearings for enhanced performance

  • Taller, more efficient wheels and tyres are designed to increase riding distances while lowering the rider's centre of gravity








Lightweight Alloy, Low Gravity Concept Design


Dynamic Advantage Tall Alloy Wheels with Radial Front Spokes


Low-Profile, Low-Resistance Design with Tough Tubes


Rear Coaster Brake with Alloy Front Caliper and Rear V Brake

Brake Levers:

Alloy, Adjustable Short Reach


Comfort Midi


Custom Width V-bars

Safety Reflectors:








The bike you purchase from will be shipped unbuilt in its original packaging. Crooze highly recommends that this bike must be built by a qualified mechanic or bike shop. Any assembly undertaken without professional assistance is at the customer's risk and any injury as a result of the build without professional assistance will not be covered by the warranty.

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