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Our most popular first bike and for good reason. Frog's 40 combines a great frame and component selection with safety features to make their first experience enjoyable. Plus a great range of colours makes finding one they love easy.
Our most popular first bike and for good reason. Frog's 40 combines a great frame and component selection with safety features to make their first experience enjoyable. Plus a great range of colours makes finding one they love easy.
Frog Bikes

Frog Bikes 40 2021 14 Inch Hybrid Kids Bike Orange

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Frog Bikes 40 2021 14 Inch Hybrid Kids Bike Orange Information

Season : 2021

Brand : Frog Bikes

Code : FR4302-ORG

Their first bike experience sets the foundation of an active, healthy life. So it's best to make it the greatest. Frog's 40 is our most popular 14" kid's bike and it's easy to see why with its great light frame, excellent build quality, and host of safety features built in to ensure minimal bumps and crashes while they learn to ride.

The key thing that makes the Frog 40 so popular is the light aluminium frame which results in a minimal 6.3kg weight. This light weight bike is much easier for them to control leading to a much more enjoyable experience. The build quality is top notch and is backed by a 5 year warranty, ideal if you're planning to hand it down.

Keeping them safe and balanced are a selection of smart features like a locking headset that prevents them over steering, preventing any chance of them going over the handlebars due to a mistake. The dual brakes are powerful and come equipped with levers designed for small hands.

  • Suitable for Riders Aged 3-4 Years Old With an Inside Leg of 40cm
  • Lightweight Aluminium Frame Built to High Standards With a 5 Year Warranty
  • Clever Features to Make Their Life Safer and More Enjoyable
  • Great Choice of Colours From Bright Green to Union Jack Inspired Designs
  • Includes a Bell, Reflectors, and 2 Year Component Warranty


Rider Age Inside Leg Wheel Size
2.5 - 4 Years 13" - 15" 12"
3.5 - 5 Years 15" - 17" 14"
4.5 - 6.5 Years 17" - 19" 16"
5.5 - 7 Years 18" - 20" 18"
7 - 9 Years 19" - 23" 20"
9 - 11.5 Years 24" - 27" 24"

Found the perfect bike but puzzled by complex sizing?  See more bike sizing help

Technical Information

Key Specifications

  • Frame - Aluminium 9"
  • Fork - Aluminium
  • Drivetrain - Single Speed
  • Brakes - Tektro C310 Aluminium V

Full Specification

  • Frame - Aluminium 9"
  • Fork - Aluminium
  • Shock - n/a
  • Number of Gears - 1
  • Shifters - n/a
  • Chainset - Alloy 102mm Black With Chainguard
  • Chainrings - Steel 32T
  • Cassette - 16T Copper
  • Chain - Single Speed
  • Front Derailleur - n/a
  • Rear Derailleur - n/a
  • Bottom Bracket - 110.5mm Sealed
  • Pedals - Plastic, Ball Bearings, Reflectors
  • Rims - Aluminium 14x1.5" 20H
  • Front Hub - Aluminium 20H
  • Rear Hub - Aluminium 20H
  • Front Tyre - Kenda K1153, 14"x1.75", MTB, (ETRTO/ISO: 47-254)
  • Rear Tyre - Kenda K1153, 14"x1.75", MTB, (ETRTO/ISO: 47-254)
  • Front Brake - Tektro C310 Aluminium V Black
  • Rear Brake - Tektro C310 Aluminium V Black
  • Brake Levers - Tektro Aluminium JL352-RS V Black
  • Handlebars - Frog Bikes Aluminium Little 420mm
  • Grips - Frog Bikes Specific Slim
  • Headset - Locking 27mm
  • Stem - Frog Bikes Aluminium 38mm
  • Saddle - Frog Bikes 201x136mm Black, Adjustable Rails
  • Seatpost - Aluminium 27.2x200mm
  • Post Clamp - Included
  • Weight - 6.30kg
Sizing Information

Every child is different which is why Frog Bikes use your child's inside leg measurement to help find them their perfect bike. This method is much more accurate than simple age ranges and is easy to measure in three steps:

  1. 1. Stand your child against a wall in their socks
  2. 2. Place a small book between their legs, as high as comfortable
  3. 3. Ask your child to move away, and measure from the top of the book to the floor

Once you have this measurement, use the table below to find the correct bike for your child. This table uses the minimum inside leg measurement for each bike where your child can safely and comfortably place their feet on the ground. Don't worry though as Frog Bikes are supplied with room to grow thanks to their long seatposts.

  Inside Leg Approx Age Wheel Size Frame Size
Tadpole 32cm 2-3 12" 4"
Tadpole Plus 38cm 3-4 14" 4"
Frog 40 40cm 3-4 14" 9"
Frog 48 48cm 4-5 16" 9.5"
Frog 52 52cm 5-6 20" 10"
Frog 55 55cm 6-7 20" 11"
Frog 62 62cm 8-10 24" 12"
Frog 69 69cm 10-12 26" 14"
Frog 73 73cm 12-14 26" 16"
Frog 78 78cm 13+ 26" 18"
Frog Road/Track 58 58cm 6-7 20" 11"
Frog Road/Track 67 67cm 8-12 24" 14"
Frog Road/Track 70 70cm 11-14 26" 17"
Frog MTB 62 62cm 8-10 24" 12.5"
Frog MTB 69 69cm 10-12 26" 15"
Frog MTB 72 72cm 13+ 26" 16"


Still undecided? Why not visit our stores, we carry Frog Bikes on our Hire Fleet, where you can benefit from a long test ride and expert fitting.


Professional Opinion
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