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The 20-inch hybrid Frog 53 kids’ bike, has been carefully designed to help maximise the lifetime of the bike for a growing child.
The 20-inch hybrid Frog 53 kids’ bike, has been carefully designed to help maximise the lifetime of the bike for a growing child.
Frog Bikes

Frog 53 Hybrid - 20 inch Lightweight Kids Bike - Spotty

£371.88 £425.00 12% off
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Frog 53 Hybrid - 20 inch Lightweight Kids Bike - Spotty

Brand:Frog Bikes

Code:L-FH53-SPO

The 20-inch hybrid Frog 53 kids’ bike is the ideal multi-purpose geared bike, suitable for 5 to 7-year-olds. This premium hybrid children’s bike has a lightweight, sturdy aluminium frame, weighing 8.15kg making the bike easy to manoeuvre on roads, pavements, towpaths and forest trails. It comes with Kenda small block eight tyres for maximum stability and grip, full-length mudguards and the option to attach a pannier rack to the frame, for transporting school books and sports equipment.

The Frog 53 kids’ bike is equipped with age-specific components, including a quick-release child-specific saddle for the perfect riding position and FrogFit Technology® youth-specific 8-speed gear shifters with short lever travel and ultraslick cabling making changing gear and undulating rides a breeze. The bike also comes with Tektro brakes with small, easy-to-reach brake levers, which means better control and improved confidence for young riders. And, our patented Frog cranks, for more effortless pedalling, which reduces the distance between the pedals increasing efficiency and comfort for children.

The Frog 53 is designed for longevity and has been optimised to help maximise the lifetime of the bike for a growing child. It offers a lower bracket position to ensure a safer more ergonomic riding experience, which also allows for a greater leg-length range to be accommodated, perfect for growing legs. And the handlebar height can be adjusted within a 40mm range, as a child grows.
Technical Information
  • Frame
  • Colours
    Green, Blue, Orange, Pink, Purple, Red, Spotty, TDF Yellow
  • Frame
    6061 T6 heat treated Aluminum alloy, seat tube 11" (280mm)
  • Fork
    6061 T6 heat treated aluminium alloy
  • Drivetrain and Brakes
  • Brake System
    Tektro 836AL, Aluminum, linear pull
  • Rear Derailleur
    Shimano Altus, M310, 8-speed
  • Front Derailleur
    N/A
  • Shifters
    FrogFitTechnology®️ youth-specific 8-speed with short lever travel and ultraslick gear cable
  • Bottom Bracket
    Thun Shorty-ML-SL; square taper, 68/108/107.5
  • Crankset
    Frog Bikes Patented,114mm, Aluminum straight arm cranks, 32T chainring, black
  • Cassette
    8-speed, 11-32t
  • Chain
    KMC, 8-speed
  • Cockpit
  • Handlebar
    Aluminium, flat bar, 460mm
  • Stem
    Aluminium, 1"1/8, 38mm, 4 bolt clamp
  • Grips
    Frog Bikes specific, lock on, slim grips
  • Headset
    Neco, 1"1/8 semi-integrated threadless, Frog Bikes top cap
  • Wheels
  • Front Hub
    Quando, Aluminum, sealed hub, QR, 20 hole
  • Rear Hub
    Quando, Aluminum, sealed hub, QR, 20 hole, Shimano type 8/9spd free hub body
  • Rim
    Aluminium, 20", double wall, machined braking surface
  • Front Tyre
    Kenda K1047, 20"x1.5", Hybrid, (ETRTO/ISO 38-406)
  • Rear Tyre
    Kenda K1047, 20"x1.5", Hybrid, (ETRTO/ISO 38-406)
  • Finishing Kit
  • Seatpost
    -
  • Saddle
    Frog Bikes child-specific saddle (small), steel rails
  • Pedals
    Frog Bikes, eco-friendly rice husk & plastic composite, with reflectors, 9/16"
  • Mudguards
    Full length, resin, black
  • Weight
    8.15kg (incl pedals)
Sizing Information
Size Guide

Tentative RiderConfident RiderConfident Rider
ModelMinimum
Inseam
Minimum
Inseam
Maximum
Inseam
Approx ageWheel
Size
Frame
Size
Frog 5353cm (21")50cm(20")65cm (26")5-720"11"
Frog 6157cm(22")74cm (29")8-1024"12"9.5"
Frog 6767cm (26")63cm(25")76cm (30")10-1226"14"
Frog 7373cm (29")67cm(26")81cm (32")12-1426"16"
Frog 7878cm (31")72cm (28")88cm (35")13+26"18"

Frame Geometry


Frog 53Frog 61Frog 67Frog 73Frog 78
AWheelbase (mm)848968104010181088
BSeatube Angle (degrees)7474747474
CHead Tube Angle (degrees)7171717171
DEffective Top Tube (mm)440501545530587
EHead Tube Length (mm)100100100100170
FChain stay length (mm)361416452425435
GSeat tube Length280355406406465
HBB to Floor (mm)216235245295295
Professional Opinion
  • Small, easy-to-reach brake levers for better control and improved rider confidence
  • Patented Frog cranks for more effortless pedalling, increasing efficiency and comfort
  • FrogFit Technology® youth-specific 8-speed gear shifters for easy gear change
  • Reflectors, mudguard and bell included
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