Best Mountain Bikes for Kids 5-8 Years Old

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Mountain Bikes for Kids 5-8 Years-old – Hoping to get your kid a bike they can take out on the trails this year? The 20-inch bikes on our list might be a great fit for your 5, 6, 7 or 8 year old rider.

Bike fit is an essential aspect of choosing the right bike. Look for a frame with a stand-over height that will allow your kid to stand astride the bike with both feet flat on the ground, for optimal comfort and safety. To determine the stand-over height, find your rider’s inseam measurement by measuring the length of the leg on the inside from crotch to ankle.

The best mountain bikes for 5, 6, 7, and 8 year olds with 20 inch wheels

20-inch wheels give young riders plenty of control and nimble turning, but without being too small to roll over rocks and roots on the trail. Luckily, there are many good 20” wheel kids bikes to choose from. Check out Ten Things to Know Before You Buy a Kid’s Mountain Bike

Here is an overview of our top seven 20-inch wheel bikes for 5, 6, 7 or 8 year old kids. Check out the comparison table at the end of the article to see all the size, cost and other data in one place.

Prevelo Zulu Three Mountain Bikes for Kids 5-8 Years-old

Prevelo Zulu Three kid’s mountain bike

If you’re looking for high-performance mountain bike features on a 20-inch wheel size package, the Zulu Three is a great option. Each component is the real deal and has been carefully chosen to provide the best performance and fit for young riders ready to tear up the trails. Firstly, low and narrow Prevelo geometry keeps the rider low, balanced, and in control. Secondly, Tektro front and rear hydraulic disc brakes make speed control and stopping easy. Thirdly, the specially designed Shimano ZEE 10-speed drivetrain and derailleur. Importantly, this amazing component features a clutch that can be turned on with the flip of a switch to eliminate derailleur bounce over hard terrain and reduce chain drops. This bike is one of the best mountain bikes for kids 5-8 years old!

Buy this kids’ mountain bike from:

Stand-over Height21.5 inches
Drivetrain1 x 10
Frame Material99M Series heat treated aluminum alloy custom formed
BrakesHydraulic
Claimed Weight22.2 pounds
ForkSpinner 300 20 AIR - 80mm travel
ShifterSRAM GX Trigger

Trek Roscoe 20 kids mountain bike

Trek Roscoe 20 kids bike

The Trek Roscoe 20 is a mid-fat kids’ mountain bike designed to boost confidence on the trail. Equipped with 2.8˝ mid-fat tires, a 1x drivetrain, and a wide-range cassette, it’s the ideal choice for young riders (45-52˝ tall) looking to refine their skills while enjoying adventures with family or friends. Unlike scaled-down adult bikes, the Roscoe is purpose-built for kids, featuring simplified features such as a 1×8 drivetrain for easier handling. Its kid-specific frame geometry, including a sloping top tube, ensures effortless mounting and dismounting. Moreover, the integrated rear brake caliper protects against damage during laydowns. In summary, the Roscoe 20 offers young adventurers a thrilling trail experience tailored to their needs and capabilities.

Buy this kids’ mountain bike from:

Stand-over Height20.4 inches
Drivetrain1 x 8
Frame MaterialAlpha Silver Aluminum
BrakesTektro MD-M280 mechanical disc
Claimed Weight23.5 lbs
Forknone
ShifterShimano Altus M315
Cleary Bikes Owl 20-inch 3 speed Mountain Bikes for Kids 5-8 Years-old

ClearyOwl 20-inch 3-Speed Kids’ Bike

Cleary designed the Owl with exploration in mind, ensuring that each ride takes your child higher and farther. At the heart of the Owl is its innovative drivetrain, centered around the internally geared Sturmey Archer 3-speed hub, seamlessly controlled by the buttery smooth Sturmey Archer trigger shifter. Encased within the hub’s aluminum shell, the shifting mechanism guarantees thousands of miles of maintenance-free operation, allowing your child to focus on the joy of riding.

With its 127mm alloy 3-piece cranks, the Owl delivers exceptional speed and acceleration, while the super-strong Tektro junior v-brakes ensure quick and reliable stops. The Owl is ideal for riders with an inseam measurement ranging from 19 to 23 inches.

Buy this kids’ mountain bike from:

Stand-over Height19 inches
Drivetrain1 x 3
Frame MaterialLightweight 1020 alloy steel
BrakesTektro junior v-brakes & brake levers
Claimed WeightNA
ForkRigid
ShifterSturmey Archer DLS30 trigger shifter

Co-op Cycles REV 20 6-Speed Plus Kids’ Bike

Keeping it light, simple, and stable, the Co-op Cycles REV 20 6-speed bike has plus-size tires and disc brakes to give kids the traction, stopping power, and confidence to learn the joys of singletrack. The 6061 aluminum frame is light, strong, and easy to manage. The 6-speed drivetrain is controlled with a single, intuitively easy-to-use Shimano Revo twist shifter; a flick of the wrist changes gears for easy pedaling. Mechanical disc brakes provide quick response and sure-stopping power. Extra-wide, 2.6 in. all-terrain tires soften the little bumps and stick to the trail for a smooth, stable ride.

Buy this kids’ mountain bike from:

Stand-over Height18 inches
Drivetrain1 x 6
Frame Material6061Aluminum Alloy
BrakesMechanical Disc Brakes
Claimed Weight23 lbs. 15.8 oz.
ForkRigid
ShifterShimano Tourney Revo Twist

trailcraft blue sky 20 inch mountain bike

Trailcraft Blue Sky 20 kids mountain bike

The Blue Sky 20 is a 20″ bike from Trailcraft has super light components.  This bike includes a  TC30 carbon fiber suspension fork, Superlight wheels, and alloy spindle direct mount cranks. The Blue Sky 20 is one of the only in the category which takes a water bottle. This is a fun, playful bike for all types of mountain bike riding.  Race it, take it to parks, or just have an awesome bike to trail ride with your family.  Next-level big-kid performance is achieved with high-quality top-shelf level components and category-leading bike weights. The Blue Sky is one of the lightest 20-inch mountain bikes for kids.

Buy this kids’ mountain bike from:

Stand-over Height20 inches
Drivetrain1 x 11
Frame Material7005 Aluminum/Alloy
BrakesShimano Deore Hydraulic
Claimed Weight20.2 pounds tubeless
ForkTC30 air sprung suspension 80mm fork
ShifterShimano Deore 4100
Woom OFF 4 mountain bike for 8 year old kids

Woom OFF 4 kids’ mountain bike

The Woom OFF 4 gives children aged six years and older a super light and durable mountain bike for their first go on the pump track and easy cruising through forests and fields. The kink in the top tube makes it easy to get on and off quickly in any situation, thereby giving kids greater safety out and about on the trails. The perfect introduction to mountain biking. The Woom OFF 4 has 9 speeds easily accessed with a SRAM trigger shifter. This bike only weighs 17 pounds! The Woom OFF 4 is a great fit for kids 6 – 8 years old who are 46″ – 51″ inches tall.

Buy this kids’ mountain bike from:

Stand-over Height19.5 inches
Drivetrain1 x 9
Frame MaterialAluminum/Alloy
BrakesHydraulic disc brakes from Promax
Claimed Weight17.2 lbs
Forkrigid
ShifterSRAM X5 Trigger
Specialized Riprock 20 inch kids mountain bike

Specialized Riprock 20in kids’ mountain bike

The Specialized Riprock 20in kids’ bike is designed for advancing skills with its upgraded geometry and components uncommon in typical kids’ bikes. Notably, featuring a premium butted alloy frame, internal cable routing, dropper post-compatibility, and a quality 1x drivetrain, it offers features usually found in teen and adult bikes. Its structure and components, including an aggressive 68-degree head tube angle, ensure confidence on downhill rides, while the 830mm wheelbase and short 350mm chainstays provide stability and control on varied terrain. Furthermore, equipped with a microSHIFT Advent 9-speed drivetrain, C-STAR Hydraulic Disc Brakes, and Specialized Ground Control Sport, 2.35in-wide tires, this bike offers enhanced capability and traction for advancing riders.

Buy this kids’ bike from:

Saddle Height20.4 inches
Drivetrain1 x 9
Frame MaterialA1 Premium Butted Alloy
BrakesC-STAR hydraulic disc brake
Claimed Weight21 pounds 13 oz
Forkrigid
Shocknone
ShiftermicroSHIFT Advent SL-M6190, 9-speed
Cannondale Trail Plus 20 Kids' Mountain Bike

Cannondale Trail Plus 20 kids’ mountain bike

The Cannondale Trail Plus 20 kids’ bike is designed to provide young riders with a safe and enjoyable trail riding experience. Featuring a lightweight and durable SmartForm C3 alloy frame and fork, this bike offers both agility and reliability on the trails. Equipped with a light-action 7-speed twist shifter, children can easily navigate various terrains with confidence. The bike’s powerful disc brakes ensure responsive and controlled stopping power, enhancing safety. Additionally, its super grippy 20 x 2.6-inch wheels and tires offer excellent traction and comfort, reducing the likelihood of spills while promoting a smooth ride. With these features, young riders can develop their trail riding skills with ease and enjoy their outdoor adventures to the fullest.

Buy this kids’ mountain bike from:

Stand-over Height20.5 inches
Drivetrain1 x 7
Frame MaterialAluminum/Alloy
BrakesTektro mechanical disc
Claimed Weight24 lbs
Forkrigid
ShiftermicroSHIFT low-torque twist shift, 7-speed
Prevelo Alpha 3 20 inch kids bike

Prevelo Alpha 3

Prevelo bikes feature confidence-inspiring low and narrow geometry for balanced control. Crafted from lightweight 6061 aluminum, the frame and alloy fork ensure responsive handling. Equipped with front and rear v-brakes, they offer reliable stopping power.

Furthermore, with custom-made cranks and a Microshift 8-speed drivetrain, Prevelo bikes provide precise gearing and smooth shifting. Designed for small hands, Microshift Trigger Shifters offer easy operation. Moreover, with 95% assembly, parents can quickly set up the bike for young riders to hit the trails confidently.

Buy this kids’ mountain bike from:

Stand-over Height15.7 inches
Drivetrain1 x 8
Frame MaterialLightweight Butted 6061 Aluminum
BrakesForged Aluminum V-Brakes with Junior Sized Brake Levers
Claimed Weight17.8
Forkrigid
Shifter8 speed Microshift Acolyte Quick Trigger
spawn yama jama 20 mountain bike for kids

Spawn Yama Jama 20

The Yama Jama 20″ raises the bar for kids’ trail bikes. The 6061-T6 alloy frame includes an internal routing option for dropper posts. The Brood Bike Co. Eldorado fork provides 80mm of plush, nearly stiction-free travel. The drivetrain utilizes a SRAM GX derailleur and shifter combo and an 11-36T 10 speed SRAM cassette. Stopping is handled by powerful Tektro Auriga hydraulic disc brakes. The Yama Jama uses Brood Bike Co. tubeless-ready rims with a wide profile and tops it off with the amazing Brood Maxtion foldable, tubeless-ready tire.

Buy this kids’ mountain bike from:

Stand-over Height21 inches
Drivetrain1 x 10
Frame Material6061 aluminum alloy
BrakesTektro M285, hydraulic disc
Claimed Weight?
ForkBrood ElDorado 80mm
ShifterSRAM GX

Comparison chart: Best 20-inch wheel mountain bikes for 5, 6, 7 or 8 year olds 

Standover
Height
DrivetrainFrameBrakesClaimed
Weight
ForkShifterShock
Prevelo Zulu Three21.5 inches1 x 1099M Series heat treated aluminum alloy custom formedHydraulic disc brakes22.2 lbsSpinner 300 20 AIR - 80mm travel- 80mm travelSRAM GX Triggernone
Treck Rosco 2020.4 inches1 x 8Alpha Silver AluminumTektro MD-M280 mechanical disc23.5 lbsrigidShimano Altus M315, 8 speednone
Co-op Cycles REV 20 6-Speed Plus18 inches1 x 66061 Aluminum AlloyMechanical disc brakes23 lbs. 15.8 ozrigidShimano Tourney Revo Twistnone
Trailcraft Blue Sky 2020 inches1 x 117005 Aluminum AlloyShimano Deore Hydraulic20.2 lbsTC30 air sprung suspension 80mm forkShimano Deore 4100none
Woom 419.5 inches1 x 8Aluminum AlloyV Hand17.9 lbsrigidSRAM X4 Twistnone
Specialized Riprock 2022 inches1 x 9A1 Premium Butted AlloyC-STAR hydraulic disc brake21.7 lbsrigidmicroSHIFT Advent SL-M6190, 9-speednone
Cannondale Trail Plus 2020.5 inches1 x 76061 Aluminum AlloyTektro mechanical disc24 lbsrigidmicroSHIFT low-torque twist shift, 7-speednone
Prevelo Alpha 315.7 inches1 x 86061 Aluminum AlloyV-Brakes with Junior Sized Brake Levers17.8 lbsrigid8 speed Microshift Acolyte Quick Triggernone
Spawn Yama Jama21 inches1 x 106061 Aluminum AlloyTektro M285, hydraulic disc?BROOD ELDORADO, 80mmSRAM Dxnone