ByK E450x3i Kid's Bike

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Two colours available - please specify when ordering.

The best kid's bike on the market with the superior design of the E450 range AND internal three-speed gears.

Suitable for ages 5 - 8 years (110 - 132 cm).


  • No external gear parts you can damage
  • 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
  • Knee to handlebar clearance for growing bodie
  • Longer wheelbase for stable handling
  • Adjustable pedal position for growing legs
  • Super cool SRAM i-motion internal three-speed gears
  • Longer chain length
  • Lightweight at just over 9kg
  • Butted alloy frame with a low gravity design
  • Totally integrated and synchronized gearing
  • Dynamic advantage tall alloy wheels
  • Alloy front brakes and rear calibrated V brakes
  • Comfort midi deluxe saddle


  • Safety reflectors
  • Bell
  • Safety flag (optional)
  • Training wheels (optional)
  • Kickstand

Click here to order a ByK Kid's Helmet

SKU Code: KID-E450x3i BB KID-E450x3i GPU