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 child’s inner leg size against the measurements we quote—you'll be sure to get the right sized bike.

1-6 yrs

6+ yrs

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 £115)

From £5 per month

For an inner leg size of 24cm to 32cm

Tadpole (RRP £120)

From £5.20 per month

For an inner leg size of 32cm to 38cm

Tadpole Plus (RRP £140)

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 43cm and 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 £255)

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 £265)

From £8.60 per month

For an inner leg size of 48cm to 52cm

Frog 52 SS (RRP £310)

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 and 58cm (aged roughly 5 to 6)

With pedals and gears. The perfect all rounder!

Frog 52 (RRP £325)

From £10.45 per month

For an inner leg size of 52cm to 55cm

Frog 55 (RRP £330)

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

Hybrids

For children with an inner leg measurement of between 55cm and 82cm (aged roughly 5 to 14)

With pedals and gears. The perfect all rounder!

Frog 55 (RRP £330)

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 £340)

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 £360)

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 £380)

From £12.30 per month

For an inner leg size of 73cm to 78cm

Frog 78 (RRP £400)

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 and 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 £440)

From £12 per month

For an inner leg size of 58cm to 67cm

Frog Road 67 (RRP £460)

From £15.60 per month

For an inner leg size of 67cm to 70cm

Frog Road 70 (RRP £480)

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 and 78cm (aged roughly 8 to 14)

With a tailored suspension fork, the perfect multi-terrain bike for off-road cycling

Frog MTB 62 (RRP £630)

From £21.85 per month

For an inner leg size of 62cm to 69cm

Frog MTB 69 (RRP £640)

From £22.22 per month

For an inner leg size of 69cm to 72cm

Frog MTB 72 (RRP £650)

From £22.59 per month

For an inner leg size of 72cm to 78cm

Track bikes