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For young lighter riders, we created custom suspension forks to ensure that our Push the Limits mountain bikes perform perfectly regardless of a rider’s weight. Learn more about how our forks are designed to work with a child's weight and
 
how to adjust the sag here >>
 
The Frog MTB 72 mountain bike is suitable for 13+ years with a recommended inside leg measurement of 66cm-85cm.
Why buy a Frog 78?   One of the biggest temptations is to buy a child's first bike that they will grow into. However, this will likely have the opposite effect and put your child off bikes and cycling altogether! Another common mistake is to purchase a budget kids' bike but these models are often as heavy as a child which can lead to frustration at not being able to cycle. That’s why Frog bikes are lightweight and designed to specifically accommodate the anatomy of children.
  • Lightweight 26-inch geared kids’ bike that is easy to handle 
  • Small, easy-to-reach brake levers for better control and improved rider confidence 
  • Patented Frog cranks for more effortless pedalling, increasing efficiency and comfortThe data obtained during our child-specific frame design research has helped us create a helpful kids’ bike sizing app. View our
  •  
  • FrogFit Technology® youth-specific 8-speed gear shifters for easy gear changebike sizing guide
  •  
  • Free 10-year extended warranty on frames and forksto discover the best-sized bike for your child or alternatively speak to one of our
  •  
  • Reflectors, mudguard and bell includedlocal stockists
  •  
  • Suitable for 13+ years with a recommended inside leg of 72cm-88cmabout our children’s bike range.
  
The 26-inch hybrid Frog 78 kids’ bike is the ideal multi-purpose geared bike, suitable for 13+ year-olds. This premium hybrid children’s bike has a lightweight, sturdy aluminium frame, weighing 10kg 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.Available colours*
 : Metallic grey & neon green and Metallic grey & neon red
The Frog 78 kids’ bike is equipped with age-specific components, including a quick-release 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.
 *Actual colours may vary. This is due to the fact that every computer monitor has a different capability to display colours and that everyone sees these colours differently. Our photos show the samples as life-like as possible, but please understand the actual colour may vary slightly as paint batches also have variances.
Get sized for cycling success []
The Frog 78 hybrid bike is suitable for 13+ years with a recommended inside leg measurement of 72cm-88cm.
 
One of the biggest temptations is to buy a child's bike that they will grow into. However, this will likely have the opposite effect and put your child off bikes and cycling altogether! Another common mistake is to purchase a budget kids' bike but these models are often as heavy as a child which can lead to frustration at not being able to cycle. That’s why Frog bikes are lightweight and designed to specifically accommodate the anatomy of children.
  {"@context":"http:\/\/schema.org\/","@id":"\/products\/frog-mtb-72#product","@type":"ProductGroup","brand":{"@type":"Brand","name":"Frog"},"category":"Bicycles","description":" \nWhy buy a Frog MTB 72? \n\nLightweight 26-inch children’s aluminium mountain bike \nJunior air suspension fork with lockout and damping control\nBetter control with oversized handlebars and stems\nEasy-to-reach hydraulic brakes for uphill climbing\nShimano rapid-fire 9-speed shift lever\nIncreased pedalling efficiency with patented Frog cranks\nFree 10-year extended warranty on the frame\nSuitable for 13+ years with a recommended inside leg of 66cm-85cm\n\n \n \nWith the awesome Frog MTB 72 kids' mountain bike, 13+-year-old multi-terrain adventurers will be able to hit the trails, pump tracks and streets in style. The lightweight aluminium MTB weighs just 11.5 kg and is equipped with hydraulic disk brakes, air suspension forks, and a 9-speed drivetrain to deliver the ultimate in off-road riding.\n \nThe Frog MTB 72 junior mountain bike, which is part of our Push The Limits range, is perfect for kids to make trail riding fun and easy. It’s kitted out with high-spec, age-specific components, designed for ease and comfort to help them build confidence and progress like a pro! They can experience smoother downhill control with the hydraulic disc brakes and impactful suspension forks, and tackle uphill climbs like a champ, thanks to the ultra-lightweight aluminium, child-specific frames. \n \nThis agile junior mountain bike also features an oversized handlebar and stem to reduce flex, giving your little shredder better control. It also comes with Kenda MTB tyres for maximum grip and comfort in all weather conditions and on all terrains. And our patented Frog cranks let kids pedal more efficiently, keeping them fast, nimble, and ahead of the game.\n \n \nCustom kids’ mountain bike forks\nFor young lighter riders, we created custom suspension forks to ensure that our Push the Limits mountain bikes perform perfectly regardless of a rider’s weight. Learn more about how our forks are designed to work with a child's weight and how to adjust the sag here \u0026gt;\u0026gt;\n \nGet sized for cycling success\nThe Frog MTB 72 mountain bike is suitable for 13+ years with a recommended inside leg measurement of 66cm-85cm.\n \nOne of the biggest temptations is to buy a child's first bike that they will grow into. However, this will likely have the opposite effect and put your child off bikes and cycling altogether! Another common mistake is to purchase a budget kids' bike but these models are often as heavy as a child which can lead to frustration at not being able to cycle. That’s why Frog bikes are lightweight and designed to specifically accommodate the anatomy of children.\n \n \nThe data obtained during our child-specific frame design research has helped us create a helpful kids’ bike sizing app. View our bike sizing guide to discover the best-sized bike for your child or alternatively speak to one of our local stockists about our children’s bike range.\n \nAvailable colours*: Metallic grey \u0026amp; neon green and Metallic grey \u0026amp; neon red\n*Actual colours may vary. This is due to the fact that every computer monitor has a different capability to display colours and that everyone sees these colours differently. Our photos show the samples as life-like as possible, but please understand the actual colour may vary slightly as paint batches also have variances.","hasVariant":[{"@id":"\/products\/frog-mtb-72?variant=54939171389823#variant","@type":"Product","image":"https:\/\/projektride.co.uk\/cdn\/shop\/files\/111.jpg?v=1736263182\u0026width=1920","name":"Frog MTB 72 - Red","offers":{"@id":"\/products\/frog-mtb-72?variant=54939171389823#offer","@type":"Offer","availability":"http:\/\/schema.org\/OutOfStock","price":"885.00","priceCurrency":"GBP","url":"https:\/\/projektride.co.uk\/products\/frog-mtb-72?variant=54939171389823"}},{"@id":"\/products\/frog-mtb-72?variant=54939171422591#variant","@type":"Product","image":"https:\/\/projektride.co.uk\/cdn\/shop\/files\/111.jpg?v=1736263182\u0026width=1920","name":"Frog MTB 72 - Green","offers":{"@id":"\/products\/frog-mtb-72?variant=54939171422591#offer","@type":"Offer","availability":"http:\/\/schema.org\/OutOfStock","price":"885.00","priceCurrency":"GBP","url":"https:\/\/projektride.co.uk\/products\/frog-mtb-72?variant=54939171422591"}}],"name":"Frog MTB 72","productGroupID":"14904948916607","url":"https:\/\/projektride.co.uk\/products\/frog-mtb-72"}
The data obtained during our child-specific frame design research has helped us create a helpful kids’ bike sizing app. View our  bike sizing guide#Accordions--template--26482384994687__section_accordions_with_images_kprcYa { --PT: 60px; --PB: 60px; --border-opacity: 0; --border-width: 1px; --MB: 10px; --padding-left: 0; --bg-padded-line: var(--bg); } #Accordions--template--26482384994687__section_accordions_with_images_kprcYa .section__heading { --heading-size: calc(var(--adjust-heading) * 1.2); } #Accordions--template--26482384994687__section_accordions_with_images_kprcYa .accordion__item { --bg-item: #fafafa; }  to discover the best-sized bike for your child or alternatively speak to one of our  local stockists  about our children’s bike range.
 
Available colours*: Frequently Asked Questions  Available in Dark Grey, Electric Blue, Neon Green and Neon Red
*Actual colours may vary. This is due to the fact that every computer monitor has a different capability to display colours and that everyone sees these colours differently. Our photos show the samples as life-like as possible, but please understand the actual colour may vary slightly as paint batches also have variances. We cannot guarantee that the colour you see accurately portrays the true colour of the product.
I'm looking to find out more information about a product, where can I find this?
01313745324
[email protected]
) where on of the team will be more than happy to help.
ProjektRide Bike Shop Edinburgh

Frequently Asked Questions

I'm looking to buy this product, when will it arrive and how much does postage cost?
  • Postage is free on orders over £50. Orders under £50, our postage charge is £3.99.
    We also have a physical store, if you are local please pop in -

    Please get in touch with a member of the team either by phone (ProjektRide Bike Shop Edinburgh01313745324 82 Newington Road, EH91QN, Edinburgh.) or email ( [email protected] ) where on of the team will be more than happy to help.

    ProjektRide Bike Shop Edinburgh

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    If the item is showing in stock, we aim to post the product within 24 hours. Please allow 5 working days to receive the item.

    Postage is free on orders over £50. Orders under £50, our postage charge is £3.99.

    We also have a physical store, if you are local please pop in -

    ProjektRide Bike Shop Edinburgh

    82 Newington Road, EH91QN, Edinburgh.You May Also Like

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