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The Frog 38 is a simple, lightweight bike designed for young children. Its small, ergonomic design makes learning to ride fun.
The Frog 38 is a simple, lightweight bike designed for young children. Its small, ergonomic design makes learning to ride fun.
Frog Bikes

Frog 38 Kids Bike In Pink

£320.00 £380.00 16% off
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

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 38 Kids Bike In Pink

Season:2026

Brand:Frog Bikes

Code:L-FH38 : L-FH38-PNK

Why Choose the Frog 38?

The Frog 38 kids bike is thoughtfully designed for young riders aged 3 to 4 years. Replacing the Frog 40, this lightweight kids bike is durable and perfect for little adventurers. Built to make learning to pedal a fun and confidence-boosting experience, the Frog 38 helps children build balance, strength, and coordination. It's the ideal first bike for kids, creating memorable moments as they ride off on their own for the very first time! The Frog 38 kids bike for ages 3-4 is suitable for children with an inside leg measurement of 36-41cm.

  • Perfect for Growth: Adjustable handlebar height (40mm range) and tool-less seat post adjustment ensures the bike grows with your child.
  • Effortless Riding: Patented Frog cranks improve pedalling efficiency and comfort, while the lightweight aluminium frame makes it easy for kids to handle and parents to carry.
  • Safety First: Small, easy-to-reach brake levers offer better control, boosting rider confidence.
  • Sleek & Practical Design: The innovative new low-profile Frog chainguard system reduces weight and enhances the bike's modern look.
  • Kid-Friendly Features: Enlarged grip ends protect little hands when riding near obstacles, and a new kickstand attachment ensures safer deployment.
  • Easy Maintenance: A redesigned lightweight aluminium chain tensioner simplifies adjustments.
  • Weight Saving: Thinner profile frame tubing saves weight over the Frog 40.

Includes: Reflectors, mudguard, and bell for added safety and functionality.

Proper sizing is key to a positive cycling experience. The Frog 38 kids hybrid bike is designed for children with an inside leg measurement of 36cm to 41cm. Choosing a bike that fits well ensures better control, comfort, and safety.

Technical Information
  • Frame
    6061 T6 heat treated aluminium alloy, seat tube 6.7" (170mm)
  • Fork
    6061 T6 heat treated aluminium alloy
  • 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
    ATA, standard ISO thread, 18t, 4 prong removal, chrome plated/brown
  • Rims
    Aluminium, 14", double wall, machined braking surface
  • Headset
    Neco, 1"1/8 , threadless, safety steering stop, Frog Bikes top cap
  • Stem
    Aluminium, 1"1/8, 38mm, 4 bolt clamp
  • Grips
    Frog Bikes specific, lock on, slim grips with 40mm enlarged end
  • Brakes
    Tektro C310, aluminium, linear pull
  • Tyres
    Kenda K1047, 14"x1.5", Hybrid, (ETRTO/ISO: 38-254)
  • Mudguards
    Resin, black
  • Crankset
    Frog Bikes Patented, 89mm, Aluminium straight arm cranks, 32T chainring, Black
  • Bottom Bracket
    Neco, square taper, 68/107.5, cartridge bearings
  • Pedals
    Resin platform, 9/16" thread, w/reflectors
  • Chain
    KMC, single speed
  • Handlebars
    Aluminium, 30mm riser bar, 420mm
  • Brake Levers
    Tektro JL352-RS, aluminium, easy reach brake lever
  • Saddle
    Frog Bikes child-specific saddle (small), steel rails
  • Seatpost
    Aluminium, micro adjust, 27.2mm
  • Rear Derailleur
    Microshift (model M36S), 8-speed
Sizing Information
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  • Frog 38 Kids Bike In Pink review by Ben, on 28/07/2025

    5
    Great first pedal bike & excellent service from Edinburgh bike coop
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