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The 20-inch kids’ hybrid bike, has been carefully designed to help maximise the lifetime of the bike for a growing child. It is the ideal multi-purpose bike for 5 to 8-year-olds with an average inside leg of 53cm
The 20-inch kids’ hybrid bike, has been carefully designed to help maximise the lifetime of the bike for a growing child. It is the ideal multi-purpose bike for 5 to 8-year-olds with an average inside leg of 53cm
Frog Bikes

Frog 53 20 Inch wheeled kids bike in Electric Blue

£424.99
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Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Frog 53 20 Inch wheeled kids bike in Electric Blue

Brand:Frog Bikes

Code:L-FH53-EBL

The 20-inch kids’ hybrid bike, has been carefully designed to help maximise the lifetime of the bike for a growing child. It is the ideal multi-purpose bike for 5 to 8-year-olds with an average inside leg of 53cm.

The handlebars can be lowered or raised within a range of 40mm and adjusting the seat height is easy to do at home with the quick release system. This means a Frog Bike will grow with your child making it a great investment.

The bike also offers a lower bottom bracket position to ensure a safer riding position with feet closer to the ground, whilst allowing for a greater leg-length range to be accommodated. An additional 10mm spacer is placed above the handlebar stem to give the option to raise the handlebars higher as your child grows.

Designed and built in Great Britain, our hybrid bikes are perfect for roads, pavements, towpaths and forest trails. They come with mudguards and the option to attach a pannier rack to the frame, for ease of transporting school books and sports kits.

Our bikes inspire children to ride. From their lightweight child-specific frame that is easy to handle and manoeuvre, to the brakes that are specifically designed for small hands to grab, this all results in a confident bike rider who will jump at every opportunity to get out on their bike exploring.

Wheel Size:20" inch

Why buy a Frog 53?
- Lightweight and sturdy frame, which makes the bike easy to manoeuvre
- The total weight of the bike including pedals is 8.15kg, which is 400g lighter than its predecessor
- Tektro brakes with small, easy to reach brake levers. Better control means improved confidence for young riders
- FrogFitTechnology® youth-specific 8-speed gear shifters with short lever travel and ultraslick cabling make changing gear and undulating rides a breeze
- Patented Frog cranks maintain a low Q-Factor (the distance between the pedals) for easier pedalling. A reduced distance between the pedals allows for maximum leverage on the pedals increasing efficiency
- Quick-release seat post for easy height adjustment as they grow
- Free 5-year warranty on frame and forks
- Reflectors, mudguard and bell included
Technical Information
Approx Age5-8
Wheel Size20"
Bike Weight8.15kg (incl pedals)
Frame6061 T6 heat treated Aluminum alloy, seat tube 11" (280mm)
Fork6061 T6 heat treated aluminium alloy
Front HubQuando, Aluminum, sealed hub, QR, 20 hole
Rear HubQuando, Aluminum, sealed hub, QR, 20 hole, Shimano type 8/9spd free hub body
Cassette/Free wheel8-speed, 11-32t
Rear DerailleurShimano Altus, M310, 8-speed
RimAluminium, 20", double wall, machined braking surface
Seat ClampAluminium, QR
HeadsetNeco, 1"1/8 semi-integrated threadless, Frog Bikes top cap
StemAluminium, 1"1/8, 38mm, 4 bolt clamp
Grips/Bar tapeFrog Bikes specific, lock on, slim grips
Gear ShifterFrogFitTechnology®️ youth-specific 8-speed with short lever travel and ultraslick gear cable
Brakes (F&R)Tektro 836AL, Aluminum, linear pull
TyresKenda K1047, 20"x1.5", Hybrid, (ETRTO/ISO 38-406)
MudguardsFull length, resin, black
Accessories boxBell, bike reflectors white/red, wheel reflectors orange/white, paint plasters, frame protector patches
Crank set / ChainringFrog Bikes Patented,114mm, Aluminum straight arm cranks, 32T chainring, black
Bottom BracketThun Shorty-ML-SL; square taper, 68/108/107.5
PedalsFrog Bikes, eco-friendly rice husk & plastic composite, with reflectors, 9/16"
ChainKMC, 8-speed
HandlebarAluminium, flat bar, 460mm
Brake LeversTektro JL510, aluminium, easy reach
SaddleFrog Bikes child-specific saddle (small), steel rails
Sizing Information

In contrast to many kids' bikes, Frog bikes are sized by the leg length rather than age, as this is the most reliable way of getting the right size of bike for each child. Age alone isn’t a reliable measure as there is a large spread of “normal” leg lengths & heights for each age.

Please take the time to measure the rider’s inside leg. 
It’s easy to measure:

1.   Stand the child in socks against a wall

2.   Place a small book between their legs, as high as is comfortable

3.   Ask the child to move away and measure from the top of the book to the floor, in inches.

Once you have measured the inside leg, use this table to find the right size of bike for your child. Note we give the MINIMUM inside leg length for each bike, with the saddle at its lowest setting. At this height, the child will safely and comfortably be able to get their feet on the ground. Don’t worry - Frog Bikes have long seat posts, so the saddle can be raised a long way as the rider grows.
We recommend that you go to a local store who will have many of our bikes available so the rider can sit on a bike. You will get help and advice on sizing, and get on-going service, as well as support.  
PLEASE NOTE we always recommend that you buy your Frog bike from your local stockist, who will build it for you and ensure the fit is right for your child.  Our bikes should always be built and checked by a qualified mechanic.

 

Minimum inside leg in cm (in)

Approx age

Wheel Size

Frame Size

Tadpole

32cm (12")

2-3

12"

 

Tadpole Plus

38cm (15")

3-4

14"

 

Frog 43

43cm (17")

3-4

14"

9"

Frog 48

48cm (19")

4-5

16"

9.5"

Frog 52

52cm (20")

5-6

20"

10"

Frog 55

55cm (22")

6-7

20"

11"

Frog 62

62cm (24")

8-10

24"

12"

Frog 69

69cm (27")

10-12

26"

14"

Frog 73

73cm (29")

12-14

26"

16"

Frog Road/Track 58

58cm (23")

6-7

20"

11"

Frog Road/Track 67

67cm (26")

8-12

24"

14"

Frog Road/Track 70

70cm (27")

11-14

26"

17"

Of course all children have different length arms and torsos too, so to ensure a comfortable riding position, the handlebar height can be tailored, and saddles can be slid backwards and forwards on their rails. (These adjustments are easy to do and just need an allen key; instructions are in the manual).

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