Bike Assembly Required

Bicycles require some assembly. This may include fitting the wheels, handlebars, pedals, seatpost and seat, and front brake caliper. This should not be attempted by the customer unless familiar with modern bicycle assembly and should otherwise be carried out by a competent bicycle mechanic. This includes bicycles sent to our stores for in store pick up, however, your local Bikebug store can assemble the bicycle for a fee, please contact your local Bikebug store after placing your order.

The ultimate kids cyclocross bike allows you to race around the cyclocross track like a pro, and ride to school the next day.

You can even still use it as a road bike as well. With predictive handling, shock absorbing geometry, premium Microshift 16 speed cassette gearing, and the highest safety and stopping power, this is a thoughtfully designed and impeccably safe kids road bike. Just 11kg.

Features

Design - At ByK we know kids love to be like their heroes, on the 540CXR they can be ready to race around the cyclocross track like a pro and ride to school the next day. Our unique design makes it possible to ride on the roads smoothly as well dabble in triathlons or touring.

Their clever integrated child specific gear design combine with premium components for a lightweight, versatile and strong dream machine.

Like the entire ByK Range, this is not a scaled down adult bike. Every single component has been considered, tested, custom sized and tuned to suit our rider's profile. Our unique ergonomic riding position and geometry offer a range of riding positions and adjustability unexpected at this size.

Performance - Their newest bike is trail inspired but what really shines about the E-540CXR is that it handles the vast variety of real world riding challenges like no other.

From their lightweight ergonomic Alloy frame and CRM forks to the durable wide, knobby race tyres with high puncture resistance and the custom sized handlebars and stem for the best possible control and comfort, every details has been considered.

Microshift's innovative gear/brake shifters are child specific, super easy to reach and use and we have combined them with our premium cassette, gear changing is taken to a new level for kids road bikes.

Safety - Safety is paramount for ByK and with the E540CXR ByK takes safety to a new level for a kids bike. From our predictive handling and shock absorbing geometry to the coolest and great stopping power of our mini v-brake system. The innovative frame improves balance and control to help each rider operate at the safest level possible.

To make a children's bike safe, the rider needs to be able to brake efficiently and confidently. The custom-sized V-Brakes we have used are calibrated for age, ability and ergonomic fit. And they are made of non-flexing, strong and light alloy. Their light weight alloy rims ensure pedalling is easier. But more importantly alloy rims are a more efficient braking surface than cheaper, chrome-plated steel rims, and are therefore safer.

Little Details Count

True cartridge bottom bracket for straighter chain alignment.
Microshift Cassette gears for maximum shift accuracy and reliability.
CRM Forks for extra comfort and improved handling.
Super tough alloy wheels for reduced maintenance.
Calibrated V-Brakes for progressive braking.
Full grip pedals for added safety.
Machined surface rms for predictable braking.
Custom sized grips.

Specifications

Weight 9.7kg
Minimum Seat Height 72cm
Frame Butted Alloy Frame, Low Gravity Concept Design, CRM Forks
Gears 16 Speed Microshift Integrated Alloy Levers, Microshift Alloy R8 Rear Derailler, SRAM Mid Range Cassette and Front Derailler. Prowheel Alloy Cranks Custom Length
Wheels Dynamic Advantage Tall Alloy Wheels, Reinforced 36 Hole
Tyres Low Profile, Low Resistence Design with Micro grip & Tough Tubes
Brakes Tektro Power Control Alloy Mini V-Brakes
Brake Levers Max Power Alloy Tektro Custom Sized Levers
Saddle Adjustable, Comfort Midi+ Deluxe
Handlebars Alloy Custom Width, Drop & Reach with Alloy Short Reach Stem
Safety Reflectors Included
Bells Included


Size Chart

Bike Model Wheel Size Compares To Age Group Rider Height Min Seat Height
E-200 200mm 12" Bike 2-4 years Small - MidSize 33cm
E-250 250mm 12" Bike 3-5 years 85-102cm 40cm
E-350 350mm 16" Bike 4-6 years 95-117cm 46cm
E-450 450mm 20" Bike 5-8 years 110-132cm 59cm
E-540 540mm 24" Bike 7-11 years 130-160cm 66cm
E-620 620mm 26" Bike 10-14 years 142.5-175cm 71cm


How To Determine Your Size

ByK Bikes are not categorised by the old imperial sizings of the past (like 12", 16", 20", or 24"). They use the metric system to describe their wheel sizes as 200mm, 250mm, 350mm, 450mm, 540mm and 620mm. Please use this chart to determine the bike size best suited to your young rider. 

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