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.

Featuring all the superior design of the E-450 range with internal 3 speed gears.

This has no external gear parts you can damage - for kids who will treat it rough! Whilst you are still learning to handle your bike and gears, you also have a foot brake as well.

Smooth handling, safe, ultra-efficient. Just 9+kgs.

Features

Design - With the E-450x3i frame we customised each tube to reduce weight and improve handling. Another crucial ingredient to the clever design is the improved control and bump dampening ability of our CRM forks - giving a dramatic advantage in handling and comfort.

Little details such as increased knee to handlebar clearance for growing bodies, a longer wheelbase for stable handling, and adjustable pedal position for growing legs, all make the E-450x3i a great entry-geared bike for kids. Durabilty is also a key factor in the E-450x3i such as the added extra strength in the wheels and the tyres.

Performance - We know that kids love the idea of gears but they give them a tough time! So we have created a model with the super cool Shimano internal 3 speed gears for those early learners who are still treating their bike rough but want to learn and play with gears. Our unique design offers a longer chain length, helping with chain flex. Then we use the direct pulling 1:1 Shimano gears - fantastic because every movement in the lever reflects the same movement in the derailler. Also, by using a cassette hub, we have eliminated cluster wobble and the demons of throwing chains off gears.

Safety - 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. Our 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.
Cassette rear hub for superior gear shifting.
CRM Forks for extra comfort and improved handling.
Long rear stay length for best possible gear shifting.
Super tough wheels for reduced maintenance.
Calibrated V Brakes for progressive braking.

Specifications

Weight 9.4kg
Minimum Seat Height 59cm
Maximum Seat Height 73cm
Frame Butted Alloy Frame, Low Gravity Concept Design
Gears Shimano 3 speed internal gears
Wheels Dynamic Advantage Tall Alloy Wheels, Reinforced 36 Hole with Toughnut Eyelets
Tyres Low-Profile, Low-Resistance Design with Tough Tubes
Brakes Alloy Front and Rear Calibrated V Brakes
Brake Levers Alloy, Adjustable Short Reach
Saddle Comfort Midi Deluxe
Handlebars Custom Width Low Rise V-Bars
Safety Reflectors Included
Bells Included
Kickstand 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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