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The Frog 40 is the smallest of Frog's pedal bikes making it the perfect transition from a balance bike, suitable for 3 to 4 year olds with an average inside leg of 40cm. Take them to the park and watch them go!
The Frog 40 is the smallest of Frog's pedal bikes making it the perfect transition from a balance bike, suitable for 3 to 4 year olds with an average inside leg of 40cm. Take them to the park and watch them go!
Frog Bikes

Frog 40 for Age 3-4 Years Union Jack

£290.00
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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 40 for Age 3-4 Years Union Jack

Season:2021

Brand:Frog Bikes

Code:L-FH40-UJA

The First Pedal Frog 40 is a great value bike for 3 to 4 year olds with an average inside leg of 40cm.


One of the biggest temptations is to buy a bike your child will 'grow into'. However, this is likely to have the opposite effect as the they'll struggle with a bike that's too large for them and it could put your child off bikes and cycling altogether! Another common mistake is to purchase a budget bike for them to learn on but these models are often as heavy as the child and it leads to frustration at not being able to cycle. Frog's lightweight bikes are a great confidence booster and although they may cost a little more than your average catalogue or 'car parts store' bike, the ease of use and enjoyment they'll deliver to your little person makes them well worth the extra.

Why buy a Frog 40?

  • Lightweight but sturdy frame, making the bike easy to manoeuvre for your child and easy for you to carry
  • Tektro brakes with small, easy to reach brake levers. Better control means improved confidence for young riders
  • Patented Frog cranks for easier pedalling reduces the distance between the pedals increasing efficiency and comfort
  • Free 5 year warranty on frame and forks
  • Reflectors, mudguard and bell included
  • Although a few pounds more to buy than a heavy catalogue bike, the residual value when you come to sell a Frog generally means you get something back unlike many other kids bikes.
  • The Frog 40 and 48 can also be used as a balance bike for a taller child by removing the pedals.
Technical Information
Approx Age 3 - 4 Years
Wheel Size 14"
Bike Weight 6.46 kg
Frame 6061 T6 heat treated aluminium alloy, seat tube 7" (180mm)
Fork 6061 T6 heat treated aluminium alloy
Crank Set Frog Bikes Patented, 89mm, Aluminium straight arm cranks, 32T chainring, Black
Bottom Bracket Neco, square taper, 68/107.5, cartridge bearings
Front Hub Quando, aluminium, sealed hub, 5mm allen bolt internal fixing, 16 hole
Rear Hub Quando, aluminium, sealed hub, standard freewheel thread and 5mm allen bolt internal fixing, 16 hole, drive side chain tensioner.
Cassette/Free wheel ATA, standard ISO thread, 18t, 4 prong removal, chrome plated
Chain KMC, single speed
Rim Aluminium, 14"x1.5", double wall, with machined braking surface
Seat Post Aluminium, micro adjust, 27.2mm
Seat Clamp Aluminium, 5mm allen key fixing
Saddle Frog Bikes child-specific saddle (small), steel rails
Headset Neco, 1"1/8 , threadless, safety steering stop, Frog Bikes top cap
Handlebar Aluminium, 30mm riser bar, 420mm
Stem Aluminium, 1"1/8, 38mm, 4 bolt clamp
Grips/Bar tape Frog Bikes specific, lock on, slim grips
Brake Levers Tektro JL352-RS, aluminium, easy reach brake lever
Brakes (F&R) Tektro C310, aluminium, linear pull
Tyres Kenda K1153, 14"x1.75", MTB, (ETRTO/ISO: 47-254)
Mudguards Resin, black
Accessories Bell, bike reflectors white/red, wheel reflectors orange/white, paint plasters (excl. Union Jack- touch up paint supplied), frame protector patches

 

Sizing Information

Sizing a child for a Frog hybrid bike is an important step in ensuring a comfortable and safe riding experience. Here's a general guide to help you determine the appropriate size for your mini rider:

1. Measure their inseam: Ask your child to stand with their feet slightly apart, then measure the distance from the floor to their crotch using a tape measure. This provides an accurate inseam measurement.
2. Refer to the size chart below. Match your child's inseam measurement with the recommended bike size range provided. Take note of the age and height recommendations too, as they can further guide your decision.
3. Consider their overall height and age: While the inseam measurement is crucial, it's important to consider your child's height and age as well. This ensures a comfortable fit and allows for growth.
4. Test the bike fit: Once you've determined the recommended size, it's helpful to have the child sit on the bike and check for a comfortable riding position. Their feet should be able to touch the ground while sitting on the saddle, and they should have a slight bend in their knees when the pedals are at the lowest point.


Remember, these steps are general guidelines. For precise sizing ideally pop into the shop with your little person and we'll be happy to assist with this, we endeavour to keep all sizes available at all times but give us a quick call beforehand to check.


Model

Minimum Inseam

Minimum Inseam

Maximum Inseam

Approx age

WheelSize

FrameSize

Tentative Rider

Confident Rider

Confident Rider

Tadpole Mini

24cm (10")

23cm (9")

30cm (12")

1-2

10"

-

Tadpole

32cm (13")

31cm (12")

41cm (16")

2-3

12"

-

Tadpole Plus

38cm (15")

36cm(14")

47cm (18")

3-4

14"

-

Frog 40

40cm(16")

36cm(14")

46cm (18")

3-4

14"

9"

Frog 44

44cm (17")

40cm(16")

53cm (21")

4-5

16"

9.5"

Frog 47

47cm (18")

43cm(17")

59cm (23")

4-6

18"

9.5"

Frog 53

53cm (21")

50cm(20")

65cm (26")

5-7

20"

11"

Frog 61

61cm (24")

57cm(22")

74cm (29")

8-10

24"

12"

Frog 67

67cm (26")

63cm(25")

76cm (30")

10-12

26"

14"

Frog 73

73cm (29")

67cm(26")

81cm (32")

12-14

26"

16"

Frog 78

78cm (31")

72cm (28")

88cm (35")

13+

26"

18"

Frog City 53

53cm (21")

49cm (19")

65cm (26")

5-7

20"

11"

Frog City 61

61cm (24")

57cm(22")

74cm (29")

8-10

24"

12"

Frog City 67

67cm (26")

63cm (25")

81cm (32")

10-12

26"

14"

Frog Road 58/Track 58

58cm (23")

52cm(20")

63cm (25")

6-7

20"

11"

Frog Road 67/Track 67

67cm (26")

62cm(24")

74cm (29")

8-12

24"

14"

Frog Road 70/Track 70

70cm (28")

67cm(26")

84cm (33")

11-14

26"

17"

Frog MTB 62

62cm (24")

58cm (23")

70cm (28")

8-10

24"

12.5"

Frog MTB 69

69cm (27")

63cm (25")

75cm (30")

10-12

26"

15"

Frog MTB 72

72cm (28")

66cm (26")

85cm (33")

12+

26"

16"

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  • Frog 40 for Age 3-4 Years Union Jack review by Reece, on 30/12/2020

    5
    Great little bike and well set up and facilitated by Avon Valley Cyclery.
  • Frog 40 for Age 3-4 Years Union Jack review by Kasia, on 11/01/2021

    5
    Great bike. Super light and very good quality. Our little one loves it! Highly recommend it. Also excellent service from Avon Valley Cyclery. Thanks
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