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Lightweight 26” kids’ MTB with air fork, hydraulic discs & 9-speed Microshift gears — agile, durable, and trail-ready.

Lightweight 26” kids’ MTB with air fork, hydraulic discs & 9-speed Microshift gears — agile, durable, and trail-ready.

Frog Bikes

Frog Bikes MTB 69 Kids Mountain Bike 26 inch Wheel 2026 in Glacier Blue

£789.00 £880.00 10% off
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Frog Bikes MTB 69 Kids Mountain Bike 26 inch Wheel 2026 in Sandstorm Gold
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.

Returning an item

Online or in-store purchases can be returned to any of our 12 stores free of charge or can be returned by post or courier at your cost after completing the online returns form below. If you are returning an item due to a fault, we will refund your postage costs.

Bikes & Bulky items

If you wish to return a bike or bulky item to us, please keep the box it arrived in and let us know by contacting our support team via our online webchat, email or by phone (020 45063856) and we will help arrange a collection.

Non Bike - Customer Returns Form

If you wish to return or exchange an item, please fill out the form below following the steps inside. Returns can be processed quicker if all required information is provided.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Frog Bikes MTB 69 Kids Mountain Bike 26 inch Wheel 2026 in Glacier Blue

Season:2026Sale

Brand:Frog Bikes

Code:L-FMB69 : L-FMB69-GBL

The Frog MTB 69 is a durable, lightweight 26-inch kids’ mountain bike built for riders aged 10–13. With a 6061 T6 aluminium frame, RST air suspension fork, and youth-optimised geometry, it’s designed for off-road adventures. The Microshift 9-speed drivetrain, hydraulic disc brakes, and 2.2” Kenda AMRAK tyres ensure confident control, smooth shifting, and reliable stopping on any trail.

Looking for the perfect kids' mountain bike for trails?

The Frog MTB 69 is a premium 26-inch kids' mountain bike designed for riders aged 10 to 13 who are ready to take on challenging off-road trails. Built for speed, control, and durability, it features a lightweight aluminium frame, wide 2.2" Kenda AMRAK tyres for exceptional grip, and a responsive RST F1RST suspension fork with 15mm Thru Axle hub for a smoother, more stable ride over rough ground. 160mm hydraulic disc brakes provide precise stopping power in all weather, while the youth-specific geometry, short stem, and wide handlebars deliver confident handling on woodland paths, rocky climbs, and fast descents. Equipped with a 9-speed Microshift drivetrain and wide-range 11–46T cassette, this kids' MTB makes steep climbs easier and shifting smoother, so young riders can focus on the adventure ahead.

A mountain bike designed to adapt to your child

The Frog MTB 69 kids' mountain bike grows with your rider, thanks to its adjustable handlebar height and quick, tool-free seat post changes. This ensures a proper riding position over time, giving them more control, better comfort, and the confidence to take on tougher rides. The Frog MTB 69 is suitable for children with an inside leg measurement of 65-83cm.

Optimised for junior trail riders

Every part of this bike has been chosen for young mountain bikers ready to explore varied off-road terrain. The Frog MTB 69's compact frame geometry, short stem, and wide handlebars deliver direct, responsive handling, ideal for learning more advanced riding techniques.

Lightweight, durable and easy to handle

Weighing 12.91kg, this aluminium-framed mountain bike is both light enough for easy climbing and durable enough to withstand the knocks of regular trail riding. The well-balanced weight means kids can ride further, climb higher, and descend with confidence. The pedals are made from durable rice husks, using 50% less plastic without compromising strength, making the bike both eco-friendly and robust.

Powerful hydraulic disc brakes

With 160mm hydraulic disc brakes on both wheels, the Frog MTB 69 26-inch kids' mountain bike provides powerful, reliable stopping whether in the mud, on loose gravel, or heading downhill. Riders can count on consistent control no matter the weather or trail conditions.

Smooth gear-shifting for any climb

The 9-speed Microshift drivetrain gives plenty of range for tackling steep inclines and varied surfaces. The clutch derailleur keeps the chain steady over rough ground, and the shifters are designed to suit smaller hands for effortless gear changes.

Superior grip and comfort on any terrain

Wide 2.2" Kenda AMRAK tyres deliver the traction needed for wet routes, loose dirt, and rocky paths, while the RST F1RST suspension fork with 15mm Thru Axle hub helps absorb bumps to keep the ride stable and enjoyable. To keep the fork performing at its best, regular servicing is recommended, especially for riders who love to push their limits.

Ready for every adventure

Durable, trail-tuned components mean the Frog MTB 69 kids' mountain bike is built to last. Whether it's their first serious off-road bike or a step up to handle more technical routes, this model is ready for long-lasting performance and miles of excitement.

Built for safety, trusted by parents

Every Frog bike is rigorously tested to international safety standards - because nothing matters more than your child's safety. Maximum rider weight: 65kg


Key Features & Benefits:

  • Trail-tuned performance: Lightweight 6061 T6 aluminium frame with youth-specific geometry for confident handling.
  • Smooth control: RST F1RST 100mm air suspension fork and hydraulic disc brakes deliver comfort and stopping power.
  • Ready for any climb: Microshift 9-speed drivetrain and wide 11–46T cassette make steep trails manageable.

Full Specification:

  • Frame: 6061 T6 heat-treated aluminium alloy, 15" (380mm) seat tube (Max rider weight: 65kg)
  • Fork: RST F1RST junior-specific 26" air suspension fork with lockout & damping control, 100mm travel, 100x15mm thru axle
  • Number of Gears: 9
  • Gear Shifters: Microshift Advent SL-M8195-R, Xpress Plus 9-speed
  • Chainset: Frog Bikes patented aluminium straight arm cranks with double chain guard, 140mm
  • Chainrings: Steel 32T
  • Rear Cassette: Microshift CS-H093, 9-speed, 11–46T
  • Chain: KMC X9, 9-speed
  • Front Derailleur: N/A
  • Rear Derailleur: Microshift Advent RD-M6195M, Medium Cage, 9-speed
  • Bottom Bracket: NECO B910E, 107.5mm square taper
  • Pedals: Frog Bikes eco-friendly rice husk & plastic composite, w/reflectors, 9/16"
  • Rims: KT-DS18 aluminium, 26", double wall, disc-specific
  • Front Hub: KT-MF1F aluminium 15mm Thru Axle disc hub, sealed cartridge bearings, 24 hole, 6 bolt
  • Rear Hub: KT-SN3R aluminium disc hub, sealed cartridge bearings, QR, 28 hole, 6 bolt
  • Front Tyre: Kenda AMRAK K1247, 26"x2.2", 30TPI (ETRTO/ISO 54-584)
  • Rear Tyre: Kenda AMRAK K1247, 26"x2.2", 30TPI (ETRTO/ISO 54-584)
  • Brakes: Tektro hydraulic disc brakes, 160/160mm rotors
  • Handlebars: Aluminium oversized, 640mm width, 20mm rise
  • Handlebar Grip: Frog Bikes specific, lock-on slim grips
  • Headset: N/A
  • Stem: Aluminium, 1-1/8", 50mm, 4-bolt clamp
  • Saddle: Frog Bikes junior-specific slimline saddle (medium)
  • Seatpost: Aluminium, micro-adjust, 27.2mm
  • Accessories: Bell, bike reflectors (white/red), wheel reflectors (orange/white)
  • Weight: 12.91kg (including pedals)
  • Age Range: 10-13 Years

Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Sizing Chart for Frog Kids Bike

Frog bikes are sized by leg length rather than age, as this is the most reliable way of getting the right size of bike for each child.

Frog Bike ModelBeginner Minimum Inseam (cm)Confident Minimum Inseam (cm)Maximum Inseam (cm)Recommended Age*Wheel Size*Frame Size*
First Pedal Bikes
Frog 3838cm (15")36cm (14")41cm (16")3 - 414"9"
Frog 4444cm (17")40cm (16")53cm (21")4 - 516"9.5"
Frog 4747cm (18")43cm (17")59cm (23")4 - 618"9.5"
Hybrid Bikes
Frog 5353cm (21")50cm (20")65cm (26")5 - 720"11"
Frog 6161cm (24")57cm (22")74cm (29")8 - 1024"12"
Frog 6767cm (26")63cm (25")76cm (30")10 - 1226"14"
Frog 7474cm (29")69cm (27")91cm (36")12 - 1426"18"
City Bikes
Frog City 5353cm (21")49cm (19")65cm (26")5 - 720"11"
Frog City 6161cm (24")57cm (22")74cm (29")8 - 1024"12"
Frog City 6767cm (26")63cm (25")81cm (32")10 - 1226"14"
Mountain Bikes (MTB)
Frog MTB 6262cm (24")58cm (23")70cm (28")8 - 1024"12.5"
Frog MTB 6969cm (27")63cm (25")75cm (30")10 - 1226"15"
New Road/Gravel
Road/Gravel 5353cm (21")50cm (20")64cm (25")5 - 720"
Road/Gravel 6161cm (24")58cm (23")74cm (29")8 - 1024"
Road/Gravel 6767cm (26")63cm (25")86cm (34")10 - 1326"
Road Bikes (rim brake)
Frog Road 5858cm (23")52cm (20")63cm (25")6 - 720"11"
Frog Road 6767cm (26")62cm (24")74cm (29")8 - 1224"14"
Frog Road 7070cm (28")67cm (26")84cm (33")11 - 1426"17"
Track Bikes
Frog Track 5858cm (23")52cm (20")63cm (25")6 - 720"11"
Frog Track 6767cm (26")62cm (24")74cm (29")8 - 1224"14"
Frog Track 7070cm (28")67cm (26")84cm (33")11 - 1426"17"


Warranty Information for Frog:

Frog Bikes' offer a standard warranty for 2 years on all frames, forks, parts & paintwork. Suspension forks come with a standard warranty of 2 years and are not included in the Warranty Plus offer.
Frog offer a FREE extended warranty of 10 years on frames, handlebars, stems, seat posts, cranks and forks (excluding the suspension forks on MTBs) if you complete and submit the Warranty Plus application form within 28 days of purchase. This extended warranty is non-transferable.
For full warranty policy please visit frogbikes.co.uk

Sizing Information

Sizing Chart for Frog Kids Bike

Frog bikes are sized by leg length rather than age, as this is the most reliable way of getting the right size of bike for each child.


Current ModelsMinimum Recommended inside leg in cm (inches)Maximum Recommended inside leg in cm (inches)Approx ageWheel SizeFrame Size
Tadpole Mini23cm (9")31cm (12")1-210"
Tadpole31cm (12")38cm (15")2-312"
Tadpole Plus36cm(14")44cm(17")3-414"
Frog 4036cm(14")43cm(17")3-414"9"
Frog 4440cm(16")51cm(20")4-516"9.5"
Frog 4743cm(17")54cm(21")4-618"9.5"
Frog 5350cm(20")62cm(24")5-720"11"
Frog 6157cm(22")74cm(29")8-1024"12"
Frog 6257cm(22")65cm(26")8-1024"12"
Frog 6963cm(25")70cm(27")10-1226"14"
Frog 7367cm(26")76cm(30")12-1426"16"
Frog 7872cm (28")83cm (33")13+26"18"
Frog City 5353cm(21")62cm(24")5-720"11"
Frog City 6161cm(24")70cm(27")8-1024"12"
Frog City 6767cm (26")76cm (30")10-1226"14"
Frog Road/Track 5852cm(20")59cm(23")6-720"11"
Frog Road/Track 6762cm(24")70cm(28")8-1224"14"
Frog Road/Track 7067cm(26")79cm(31")11-1426"17"
Frog MTB 6258cm (23")65cm (26")8-1024"12.5"
Frog MTB 6963cm (25")70cm (28")10-1226"15"
Frog MTB 7266cm (26")81cm (32")13+26"16"
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