Age isn't the best guide for bike sizing, as all children grow at different rates. However it does give good guidance, when looking at a specific bike, check your childs inner leg size against the measurements we quote - you'll be sure to get the right sized bike.
For the learners
Balance bikes
For children with inner leg measurements of between 24cm and 43cm (roughly aged 1 to 3)
The balance bike is where a child's cycling life begins. A bike without pedals which helps the child to develop the necessary balance to cycle.
Tadpole Mini (RRP £110)
From £5 per month
For an inner leg size of 24cm to 32cm
Tadpole (RRP £115)
From £5.20 per month
For an inner leg size of 32cm to 38cm
Tadpole Plus (RRP £135)
From £6 per month
For an inner leg size of 38cm to 43cm
First pedal bikes
For children with an inner leg measurement of between 38cm to 55cm (aged roughly 2 to 6)
No gears. Perfect for building confidence! For a taller child, it can act as a balance bike by taking the pedals off.
CP14 (RRP £230)
From £8.05 per month
For an inner leg size of 46cm to 52cm
Frog 43 (RRP £240)
From £8.20 per month
For an inner leg size of 43cm to 48cm
CP16 (RRP £240)
From £8.20 per month
For an inner leg size of 49cm to 58cm
Frog 48 (RRP £250)
From £8.60 per month
For an inner leg size of 48cm to 52cm
Frog 52 SS (RRP £280)
From £9.70 per month
For an inner leg size of 52cm to 55cm
CP18 (RRP £250)
From £8.25 per month
For an inner leg size of 53cm to 66cm
Hybrids
For children with an inner leg measurement of between 52cm to 58cm (aged roughly 5 to 6)
With pedals and gears. The perfect all rounder!
Frog 52 (RRP £300)
From £10.45 per month
For an inner leg size of 52cm to 55cm
Frog 55 (RRP £310)
From £10.80 per month
For an inner leg size of 55cm to 62cm
For the older kids
From this point onwards your child has a choice between four ranges of bike: the hybrid, a road bike, track or mountain bike
Mountain
With a tailored suspension fork, the perfect multi-terrain bike for off-road cycling
From £21.85 a month
Hybrids
For children with an inner leg measurement of between 55cm to 82cm (aged roughly 5 to 14)
With pedals and gears. The perfect all rounder!
Frog 55 (RRP £310)
From £10.80 per month
For an inner leg size of 55cm to 62cm
CP20 (RRP £310)
From £9.85 per month
For an inner leg size of 56cm to 70cm
Frog 62 (RRP £330)
From £11.55 per month
For an inner leg size of 62cm to 69cm
CP24 (RRP £330)
From £10.10 per month
For an inner leg size of 62cm to 78cm
Frog 69 (RRP £340)
From £11.95 per month
For an inner leg size of 69cm to 73cm
CP26 (RRP £340)
From £9.65 per month
For an inner leg size of 69cm to 84cm
Frog 73 (RRP £350)
From £12.30 per month
For an inner leg size of 73cm to 78cm
Frog 78 (RRP £370)
From £13.70 per month
For an inner leg size of 78cm to 82cm
Road Bikes
For children with an inner leg measurement of between 58cm to 78cm (aged roughly 6 to 14)
Increase distance and speed with a super lightweight road bike. Great for road, cyclocross and triathlon!
Frog Road 58 (RRP £425)
From £12 per month
For an inner leg size of 58cm to 67cm
Frog Road 67 (RRP £445)
From £15.60 per month
For an inner leg size of 67cm to 70cm
Frog Road 70 (RRP £465)
From £16.10 per month
For an inner leg size of 70cm to 78cm
Mountain bikes
For children with an inner leg measurement of between 62cm to 78cm (aged roughly 8 to 14)
With a tailored suspension fork, the perfect multi-terrain bike for off-road cycling
Frog MTB 62 (RRP £590)
From £21.85 per month
For an inner leg size of 62cm to 69cm
Frog MTB 69 (RRP £600)
From £22.22 per month
For an inner leg size of 69cm to 72cm
Frog MTB 72 (RRP £610)
From £22.59 per month
For an inner leg size of 72cm to 78cm
Track bikes
For children with an inner leg measurement of between 58cm to 78cm (aged roughly 6 to 14)
Not for the road! Perfect for track. Aerodynamic tear drop tubes for optimum performance
Frog Road 58 (RRP £270)
From £9.40 per month
For an inner leg size of 58cm to 67cm
Frog Road 67 (RRP £285)
From £9.90 per month
For an inner leg size of 67cm to 70cm
Frog Road 70 (RRP £300)
From £10.45 per month
For an inner leg size of 70cm to 78cm
