How to Size a Child for a Lightweight Frog Bike ?
Sizing Up
In contrast to many kid’s bikes, Frog bikes are sized by 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.
We recommend taking the time to measure the rider’s inside leg – it’s easy to do using our Frog Bike Size Guide:
- Stand the child in socks against a wall.
- Place a small book between their legs, as high as is comfortable.
- Ask the child to move away and measure from the top of the book to the floor.
Once you have measured the inside leg, use the table below to find the right size of bike for your child. Please note we give the AVERAGE inside leg length for each bike, with the saddle at its lowest setting (please be aware there is tolerance on each side of this).
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.
If your child is halfway between Frog bike sizes we recommend you size up to the larger bike to maximize how long it will last them.
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This method of measurement is intended as a guide and we recommend you call into our shop to be correctly sized up, all bikes ordered instore will receive a comprehensive safety check, followed up with a 6 week check over and ongoing support should any problems arise at a later date.
Frog Bikes Available
| Average Inside Leg in cm (in) | Approx Age | Wheel Size | Frame Size | |
| Tadpole Mini | 24cm (9″) | 1-2 | 10″ | – |
| Tadpole | 31cm (12″) | 2-3 | 12″ | – |
| Tadpole Plus | 38cm (15″) | 3-4 | 14″ | – |
| Frog 40 | 40cm (16″) | 3-4 | 14″ | 9″ |
| Frog 44 | 48cm (19″) | 4-5 | 16″ | 9.5″ |
| Frog 52S (single Speed) | 52cm (20″) | 5-6 | 20″ | 10″ |
| 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 78 | 78cm (31″) | 13+ | 26″ | 18″ |
| 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″ |
| Frog MTB 62 | 62cm (24″) | 8-10 | 24″ | 12.5″ |
| Frog MTB 69 | 69cm (27″) | 10-12 | 26″ | 15″ |
| Frog MTB 72 | 72cm (28″) | 13+ | 26″ | 16″ |
Check out some of our kids bikes here. Call instore to find out about other bikes that we can order
Dont forget to add a Frog Kick stand to the bike, its a great way to keep the bike safe from scratches and store neatly in the garage.
Where are Frog Bikes Made?
Frog Bikes are manufactured in the UK (Pontypool factory in South Wales).
Originally they were made in China but production was moved to the UK in 2016.
Are Frog Bikes Worth it?
Cyclo Monster has been retailing Frog Bikes since they first became available, their quality vs price was exactly the sort of child’s bike we were looking for to stock after we first opened. We have been selling them ever since and we feel they are one of the best brands around to start your children riding. Our staffs kids all ride Frog Bikes.
Why are frog bikes so expensive?
Frog Bikes are certainly more expensive than some basic bikes, but if you compare the weights and specifications it will soon become apparent why its worth spending extra to buy a Frog Bike. Weight is one of the most important elements when choosing a children’s bike. It could be the difference between your child loving or hating the cycling experience. You wouldn’t strap a rucksack full of weights to your child’s back before sending them out for a bike ride and expect them to ride very far. That’s why we believe it’s worth spending a little extra on a bike, its also worth noting that Frog Bikes hold up very well in the second-hand market and they are very easy to sell on and often for a very good price.
