Frog 52 Kids Bike
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Code: FROG-52
Frog 52 Kids Bike For 5-6 years

The Frog 52s hi-quality lightweight frame and forks, make this kid’s bike tough enough for wild cycling adventures in the woods! The Tektro brakes with adjustable levers designed for kid’s hands and the brilliant 8-speed Shimano easy-twist gears and easily adjusted saddle height.  

 
Frameset
  • Frame: Aluminium (10")
  • Fork: Aluminium
 
Wheels
  • Wheel Size: 20"
  • Tyres: Kenda 20"x1.75"
 
Drivetrain
  • Chainset: Frog Bikes Patented 102mm - 32T
  • Speed: 8
  • Rear Derailleur: Shimano Altus - 8 Speed
  • Cassette: Shimano Altus HG-31
  • Chain: KMC
  • Pedals: Plastic Platform
 
Components
  • Saddle: Frog Bikes
  • Handlebars: Frog Bikes
  • Stem: Frog Bikes
  • Brake calipers: Tektro Easy Reach
 
Supplied With:
  • Bell
  • Reflectors
  • Weight: 8.54kg
 
Please Note: All of our bikes are built to order and our current build time is 15-20 working days.

How to choose a Child's Bike

In contrast to many children's bikes, Frog bikes are sized by the 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 age.

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

  1. Stand the child in socks against 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

Once you have measured the inside leg, use this table to find the right size bike for your child. Note we give the MINIMUM inside leg length for each bike, with the saddle at it's lowest setting. At this height, the child will safely be able to get their feet to the ground. Don't worry - Frog Bikes have long seat posts, so the saddle can be raised a long way as the rider grows.

 BikeMinimum inside
leg (cm)
Approx ageWheel SizeFrame Size
Tadpole342-312″4″
Frog 43433-414″9″
Frog 48484-516″9.5″
Frog 52525-620″10″
Frog 55556-720″11″
Frog 62628-1024″12″
Frog 696910-1226″14″
Frog 737312-1426″16″
Frog Road 58586-720″11″
Frog Road 67678-1224″14″
Frog Road 707011-1426″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 back and forwards on their rails.(These adjustments are easy to do and just need an allen key; instructions are in the manual that comes with each bike.

Mrs Powell I’d been looking for a bike for my daughter for some time, she was ready to move to a larger bike and I wanted to make sure I made the right choice. Once I’d decided which one I thought would be best, I came across Merlin Cycles, I have to say the whole process of searching for and then reading up on the item was easy, ordering was great, and delivery was quick and without hassle. The bike itself is fantastic and certainly lives up to it’s great reputation, my daughter will be over the moon Christmas morning when she opens it! Just wish me luck with the wrapping!
Jonathan Great service from the team at Merlin! My daughter loves her new bike! Upon taking delivery all that was left to do was fix the handle bars in place - a doddle
Stuart An excellent step up for my daughter and her first proper bike. Good quality and sensible component choice. I needed a bar swap to a high riser for comfort (low flat bars with a low front end on a kids bike?- Should come with a riser bar!) and now she loves it. Good paint finish, touch up paint and a spare set of knobblies cant be beaten. Great service and price as usual from Merlin.
Mr FitzGibbon It's not always easy to find stock of Frog bikes when you want them but Merlin had all colours available. The bike arrived in about 4 days. Great service and I thoroughly recommend.
Holgs My quite petite 6 year old daughter tried to move from her beloved Frog 42 to her sister's 20'' 3 speed bike but she couldn't ride on it at all. She couldn't cope with the weight, ergonomics, coaster brake and lack of freewheeling. What a contrast on the Frog 52. She could ride confidently straight away and it didn't take her long to get used to the gears. I was pleasantly surprised to also receive the extra set of knobbly tires, inner tubes and touch up paint in the box!
Roberts Great little bike for my son to grow with.
Mr Nitzsche The bike looks great and the material & parts are high quality! My son loves the red colour, its his fire brigade bike :-). Although his minimum inside leg is only 48cm he is able to drive the bike already, albeit only his forward section of the foot reaches the bottom. Alltogether a wonderful bike, which I would recommend to other friends.