specialized giant cube cannondale Mavic Castelli endura altura

Frog 55 20w 2018 - Kids Bike

Trade in your old bike and get up to £390 towards a new one.

Re-Cycle Bikes to Africa

Out with the old and in with the new - Help others in Africa by donating your old bike to one of the hundreds of drop-off points around the UK. It's quick and easy and you'll get up to £390 off a shiny new bike.

Buy a new bike today and save up to £390 - Hundreds of drop-off points around the UK Buy a new bike today and save up to £390 - Hundreds of drop-off points around the UK
Save £20 off this bike today. Use code: SAVE20
or £10.72 / month
Finance Options
7 reviews
Select a colour
Add to Basket

Free insurance Includes 8 weeks Free Bike Insurance. Find out more.

  • Product Information
  • Reviews (7)
  • Frog Bike Sizing
  • Kids Bike Guide
  • 0% APR Finance
  • Delivery & Guarantee
  • What's In The Box
  • Product Description

    The super slick Frog 55 20” kids bikes looks just like an adult bike, but shrunk for younger riders. Fast and nimble, they’ll keep up on the family ride.

    Frog specialise in creating high quality kids bikes and have some of the lightest frames around. The 55 is built from lightweight and strong aluminium. The Frog 55 is fitted with adjustable Tektro brakes, an 8-speed Shimano easy-change thumb shifters and an 8 speed cassette hub. You can easily adjust the saddle height for a better fit.

    Frog’s 55 kids bike comes with a safety bell, reflectors and mudguards as standard and you get a 5 year warranty on the frame and fork (2 years on all other parts).

    Weight: 8.8 kg or 19.4 lbs

    Key Features:

    • Lightweight aluminium frame
    • Strong Tektro brakes
    • Safety bell and reflectors
    • Easily adjust your saddle height
    • Size: 20”
    • Colour: Red, Purple, Orange, White/Spots, Team Sky Black/Blue, Team Sky White/Blue, Union Jack, Green

    All Tredz bikes are:

    • Fully built & ready to ride
    • Fully checked & tested by Cytech qualified mechanics
    • Available with 0% APR finance (up to 48 months) on any basket over £99
    • UK price match guarantee
    • 365 day no hassle returns
    • Free delivery in the UK Mainland on a date that suits you

    In the box with every Tredz bike is:

    • Free Tredz 9 key trail tool
    • Free Tredz pedal spanner
    • Free basic pedals
    • Tredz drawstring kit bag
    • 16 point quality control check sheet
    • Basic bike setup instructions
    • Free Cycle Plan insurance voucher (8 weeks)


    Frame: Aluminium 11" Frog 55 Frame
    Fork: Aluminium Fork
    Headset: 27mm
    Stem: Frog Bikes Aluminium 40mm Stem
    Bars: Frog Bikes Aluminium Straight Handlebar Width 460mm
    Front Brake: Tektro 836AL Aluminium V Brake Black
    Rear Brake: Tektro 836AL Aluminium V Brake Black
    Brake Lever: Tektro Aluminium JL510-TS V Brake Lever Black
    Rear Mech: RD-FT55- Direct
    Shifters: SLM360 Alivio
    Speed: 8
    Rims: Aluminium 20" x 1.5" 28 holes Black
    Front Hub: Aluminium 28 holes QR
    Rear Hub: Aluminium 28 holes QR
    Front Tyre: Kenda 20 x 1.5 hybrid tyres
    Rear Tyre: Kenda 20 x 1.5 hybrid tyres
    Seat Post: Aluminium 250mm, 27.2mm wide, Quick Release
    Chainset: 114mm Aluminium Black Crank, Steel 32 Teeth
    Bottom Bracket: 110.5mm Sealed
    Cassette: Shimano CS-HG200-8 11-32T
    Pedals: Plastic with Ball Bearings and Reflectors
    Weight: 8.8kg

    Occasionally without notice, manufacturers sometimes change product specifications.

Show finance options for:

Available finance options:

Months / APR Per month

Buy now, pay later over £850. Find out more Finance provider options available