Frog MTB 69

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L-FMB69
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Why buy Frog MTB 69

Kids Mountain Bikes

Frog MTB 69 | Durable 26-inch kids' mountain bike for ages 10-13

Agile Rugged Trail-tuned Adventure-ready

New Frog MTB 69, high-performance, 26-inch mountain bike designed specifically for kids aged 10 to 13 who are ready to explore off-road trails with confidence.

Quick Specs

Age Range10-13 years
Wheel Size26" inch
Inside Leg65-83 cm
Weight12.91 kg
Fork Travel100mm

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.

Frog MTB 69 Kids Mountain Bike

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.

Frog MTB 69 Kids Mountain Bike

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.

Frog MTB 69 Kids Mountain Bike

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.

Frog MTB 69 Kids Mountain Bike

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.

Frog MTB 69 Kids Mountain Bike

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. For expert fork servicing and support, visit RST MTB Suspension Specialists.

Frog MTB 69 Kids Mountain Bike

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

Ready to ride - What's included?

The Frog MTB 69 mountain bike for kids is equipped with essential safety features and practical accessories, including reflectors for enhanced visibility and a bell that helps riders alert others while fostering responsible riding habits.

Bike assembly – Quick & easy setup

Your Frog bike arrives 95% pre-assembled to ensure safe delivery and a hassle-free setup experience. Only a few simple steps are needed to get your child's new bike ready to ride:

Assembly Steps

  • Align and secure the handlebars (pre-positioned for transit)
  • Attach the pedals (packaged separately for safety)

Tools Included

  • 5mm and 6mm hex keys (allen wrenches)
  • 15mm open-end spanner

Protect their bike with warranty cover

Ride worry‑free with comprehensive coverage and optional extended protection.

2 Year Standard Warranty

Free warranty on all bikes

At Frog Bikes, we stand by the quality of our products with a standard 2-year warranty covering all frames, forks, parts, and paintwork (excluding tyres and inner tubes). Suspension forks are also covered by a 2-year warranty but are not included in our extended warranty offer.

Warranty Plus

Free upgrade to 10‑year cover

Looking for extra peace of mind? We offer a FREE 10-year extended consumer warranty on frames and forks (excluding MTB suspension forks) when you complete and submit our Warranty Plus application within 28 days of purchase.

This frog bikes extended warranty is available for new, full-priced bikes and bikes purchased directly from our Frog Factory Outlet. For full details, please visit the Frog Bikes Warranty Plus application page below.

  • FREE 10-year frame & fork cover
  • Simple online activation
  • Extended peace of mind
  • Backed by Frog expertise

Note: The Warranty Plus offer is non-transferable.

Assembled, checked & delivered with care

Your Frog bike is built, inspected, and delivered to your door with free standard delivery to mainland UK addresses.

Free delivery

Free standard delivery is available for UK consumer orders shipping to mainland UK addresses.*

Arrives pre‑assembled

All Frog kids' bikes are carefully assembled, quality-checked, and typically dispatched within 5 business days of order confirmation.

Packaged with care

Our packaging is 82% recycled, 100% recyclable, and virtually plastic-free.

*For deliveries to non-mainland UK addresses, such as Northern Ireland, the Isle of Man, the Channel Islands, or the Scottish Highlands and Islands, additional local taxes, customs fees, or carrier surcharges may apply. These charges are the responsibility of the customer.

We're here to help

We want you to have the best experience with your new Frog Bike, so our customer service team are only a click or call away!

Need help? We're here for you

Our friendly and knowledgeable customer support team is ready to assist you with anything you need, from order updates and product questions to assembly guidance and warranty information. We're here to make your experience smooth and stress-free.

Get in touch via email or phone, and we’ll be happy to help!

Got questions?

Before reaching out, check out our Frequently Asked Questions (FAQ) page; it’s the quickest way to find clear, helpful answers to common queries. From choosing the right bike size and understanding delivery times to assembly tips and warranty info, we’ve covered all the essentials.

If you can't find what you're looking for, our support team is always just a click away.

Product Safety Certifications ISO 4210 (M)
Bike Weight 12.91 kg (incl pedals)
Frame 6061 T6 heat treated, aluminium alloy, seat tube 15" (380mm) - maximum rider weight: 65kg
Fork RST F1RST junior specific 26" air suspension fork with lockout and damping control, 100mm travel, 100x15mm thru axle
Front Hub KT-MF1F, high performance aluminium 15mm Thru Axel disc hub, sealed cartridge bearings, 24 hole, 6 bolt
Rear Hub KT-SN3R, high performance aluminium disc hub, sealed cartridge bearings, QR, 28 hole, 6 bolt
Cassette free wheel Microshift CS-H093, 9-speed, 11-46t
Rim KT-DS18 Aluminium, 26", double wall, disc-specific
Seat Clamp Aluminium, QR
Stem Aluminum, 1"1/8, 50mm, 4 bolt clamp
Grips/Bar Tape Frog Bikes specific, lock on, slim grips
Brakes (F&R) Tektro hydraulic disc brakes, 160/160mm rotor
Tyres Kenda AMRAK K1247, 26"x2.2", 30TPI, (ETRTO/ISO 54-584) with presta valve inner tube
Accessories Included Bell, bike reflectors white/red, wheel reflectors orange/white
Crankset/Chainring Frog Bikes patented aluminium straight arm cranks with double chain guard, 140mm, steel 32t chainring
Bottom Bracket NECO B910E 107.5mm square taper
Pedals Frog Bikes eco-friendly rice husk & plastic composite, w/reflectors, 9/16"
Chain KMC X9, 9-speed
Handlebar Aluminium Oversized, 640mm width, 20mm rise
Brake Levers Tektro M276, junior specific, 2 finger hydraulic disc brake
Saddle Frog Bikes junior specific slimline saddle (medium)
Seat Post Aluminium, micro adjust, 27.2mm
Gear Shifter Microshift Advent SL-M8195-R, Xpress Plus 9 speed
Rear Derailleur Microshift Advent RD-M6195M - Medium Cage - 9 speed
More Information
Product geometry diagram
Bike geometry chart with frame measurements
A - Wheelbase (mm) 1055
B - Seat Tube Angle (°) 74
C - Head Tube Angle (°) 69.5
D - Effective Top Tube (mm) 544
E - Head Tube Length (mm) 85
F - Chain Stay Length (mm) 435
G - Seat Tube Length (mm) 380
H - Bottom Bracket to Floor (mm) 290
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