Frog 78 26w 2023 - Junior Bike
Perfect for recreational cycling on roads and gravel tracks, the Frog 78 is a hardtail hybrid mountain bike designed specifically for junior cyclists. Built around a lightweight aluminium frame and fork the Frog 78 is easy to ride. Help them take their cycling to the next level with this reliable junior MTB.
Key Features:
- Lightweight, sturdy aluminium alloy frame and fork
- Tektro easy-reach brake lever
- Shimano rapid fire 8-speed gear shifter
- Patented Frog cranks for easier pedalling
- Quick release seat post for easy height adjustment
- Free 5 year warranty on frame and forks
- Weight: 10Kg
- Size: 78cm – 26” wheel
- Colours: Neon Red, Neon Green, Dark Red
- The Frog 78 26w is available with 0% APR finance
This 26” junior hybrid bike is a great multi-purpose bike suitable for juniors aged between 13+ years old with a minimum inside leg of 78cm.
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 | 6061 T6 heat treated, double butted aluminium alloy, seat tube 18" (465mm) |
Fork | 6061 T6 heat treated Aluminium alloy |
Headset | Neco, 1"1/8 semi-integrated threadless, aluminium Frog Bikes top cap |
Stem | Aluminium, 1"1/8, 60mm, 4 bolt clamp |
Bars | Aluminium, straight, 540mm |
Front Brake | Tektro 836AL, Aluminium, linear pull |
Rear Brake | Tektro 836AL, Aluminium, linear pull |
Brake Lever | Frog Bikes’ designed Tektro easy reach |
Rear Mech | Shimano Altus, M310 |
Shifters | Shimano Alivio, M360, rapid fire |
Speed | 8 |
Rims | Aluminium, 26x1.5, double wall, machined braking surface |
Front Hub | Quando, aluminium, sealed hub, QR, 28 hole |
Rear Hub | Quando, aluminium, sealed hub, QR, 28 hole, Shimano type 8-Speed free hub body |
Front Tyre | Kenda K154, 26x1.5, hybrid, (ETRTO/ISO 40-559) |
Rear Tyre | Kenda K154, 26x1.5, hybrid, (ETRTO/ISO 40-559) |
Seat Post | Aluminium, micro adjust, 27.2mm |
Saddle | Frog Bikes junior specific saddle (medium), w/ steel rails |
Chainset | Frog Bikes patented aluminium straight arm cranks with Frog Bikes double chain guard, 155mm, steel 34t chainring |
Bottom Bracket | Neco, square taper, 68/107.5, cartridge bearings |
Chain | KMC, 8-speed |
Cassette | Shimano Altus, HG-31, 8-speed, 11-32t |
Pedals | Frog Bikes eco-friendly rice husk composite pedal, w/reflectors, 9/16" |
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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