Frog 55 20w 2023 - Kids Bike
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 on baskets over £99
- 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)
Occasionally, without notice, manufacturers change product design and/or specifications.
| 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 |
Frog bikes Size Chart
See the table below to find the right size Frog bike for your child.
| Model | Minimum Recommended inside leg in cm (inches) |
Maximum Recommended inside leg in cm (inches) |
Approx age | Wheel Size | Frame Size |
| Tadpole Mini | 23cm (9") | 31cm (12") | 1-2 | 10" | |
| Tadpole | 31cm (12") | 38cm (15") | 2-3 | 12" | |
| Tadpole Plus | 36cm (14") | 44cm (17") | 3-4 | 14" | |
| Frog 40 | 36cm (14") | 43cm (17") | 3-4 | 14" | 9" |
| Frog 44 | 40cm (16") | 51cm (20") | 4-5 | 16" | 9.5" |
| Frog 47 | 43cm (17") | 54cm (21") | 4-6 | 18" | 9.5" |
| Frog 53 | 50cm (20") | 62cm (24") | 5-7 | 20" | 11" |
| Frog 62 | 57cm (22") | 65cm (26") | 8-10 | 24" | 12" |
| Frog 69 | 63cm (25") | 70cm (27") | 10-12 | 26" | 14" |
| Frog 73 | 67cm (26") | 76cm (30") | 12-14 | 26" | 16" |
| Frog 78 | 72cm (28") | 83cm (33") | 13+ | 26" | 18" |
| Frog City 53 | 53cm (21") | 62cm (24") | 5-7 | 20" | 11" |
| Frog City 61 | 61cm (24") | 70cm (27") | 8-10 | 24" | 12" |
| Frog City 67 | 67cm (26") | 76cm (30") | 10-12 | 26" | 14" |
| Frog Road/Track 58 | 52cm (20") | 59cm (23") | 6-7 | 20" | 11" |
| Frog Road/Track 67 | 62cm (24") | 70cm (28") | 8-12 | 24" | 14" |
| Frog Road/Track 70 | 67cm (26") | 79cm (31") | 11-14 | 26" | 17" |
| Frog MTB 62 | 58cm (23") | 65cm (26") | 8-10 | 24" | 12.5" |
| Frog MTB 69 | 63cm (25") | 70cm (28") | 10-12 | 26" | 15" |
| Frog MTB 72 | 66cm (26") | 81cm (32") | 13+ | 26" | 16" |
Read our kids and junior bike size guide for more information on sizing.
Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!
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