Best Mountain Bikes for Kids 5-8 Years-old


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.

NOTE: Due to COVID-19 and stay-near-home guidelines, kids' bikes have become very popular and a lot of manufacturers cannot keep inventory. You may wish to see our Kids Bikes For Sale - October 2020 post.
The best mountain bikes for kids 5-8 years old

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 kids mountain bike

Prevelo Zulu Three

If you’re looking for high performance mountain bike features on 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. 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.

Buy this kids’ mountain bike from:

Stand-over Height22 inches
Drivetrain1 x 10
Frame Material6061 Aluminum/Alloy
BrakesTektro hydraulic disc
Claimed Weight22.2 pounds
ForkSR Suntour XCM Air SL 20 - 80mm travel
ShifterShimano DEORE RAPIDFIRE Plus
Cleary Owl 20 Single Speed kids bike

Cleary Owl 20 Single Speed

The 20” wheel Cleary Owl Single speed is an amazingly lightweight kids bike at just 19 pounds. Importantly, the Owl includes front and rear Tektro V-Brakes designed specifically for little hands. Additionally, the slim, junior race-style vegan leather saddle is designed to maximize a rider’s range of motion.

Above all, Cleary designs bikes for kids of every size and ability to ride safely and comfortably. Note: steel is strong and tough. Cleary bikes have no rider weight limit and are able to survive anything your kids can dish out. This bike is also available in a 3-speed model.

Buy this kids’ mountain bike from:

Stand-over Height19.3 inches
Drivetrainsingle speed
Frame MaterialAluminum/Alloy
BrakesTektro V-Brakes
Claimed Weight19 lbs
Early Rider Trail T20sc

Early Rider Trail T20SC Complete Bike

The Early Rider Trail T20SC Complete Kids’ Bike is a trail-worthy hardtail built with high-quality parts. Due to the fact that the Early Rider Trail T20SC is designed with a 6061 aluminum frame, it is lightweight and durable. Additionally, this bike comes with SRAM’s 1 x 9 drivetrain for a wide range of gears.

Importantly, the Spinner Grind Air 50-millimeter fork smooths the bumps. The powerful hydraulic disc brakes help your kiddo stop safely and quickly. Surprisingly, these 20-inch aluminum wheels are rolling on Maxxis Tires for aggressive grip, which is one area that cheaper kids’ bikes are usually lacking.

Buy this kids’ mountain bike from:

Stand-over Height21.5 inches
Drivetrain1 x 9
Frame Material6061Aluminum Alloy
BrakesHydraulic disc brakes
Claimed Weight17.8 lbs
ForkSpinner Grind Air 50mm fork
ShifterSRAM X5 trigger
Salsa Timberjack 20 kids mountain bike

Salsa Timberjack 20

The Timberjack 20 was designed with plus-sized 3″ tire kids’ bikes to improve trail grip and rider comfort. Due to the 6061-T6 heat-treated aluminum, the frame is light and strong. This bike comes with durable components including mechanical disc brakes. The Timberjack 20 geometry was designed with smaller riders in mind. Additionally, the mounts on the forks allow for extra water bottles or light gear.

Buy this kids’ mountain bike from:

Stand-over Height18.4 in
Drivetrain1 x 8
Frame MaterialAluminum/Alloy
BrakesPromax Mechanical Disc
Claimed Weight23 lbs
ShifterShimano Tourney Revo
Woom 4 kid bike

Woom 4

The Woom 4 is an excellent  light 20” wheel bike that can be your kids first introduction to gears. Specifically, the Woom 4 includes a SRAM X4 8-gear shifter to help your rider tackle varying terrain and grades. The 8 gears and light Kenda off-road tires make it a great bike for exploring and longer rides. Importantly, the Mini V-Brakes with levers suitable for small hands make stopping safely easy. This bike was designed for ages 6 to 9 years with a height of 45″-51”inches. All in all, the Woom 4 is an excellent choice.

Buy this kids’ mountain bike from:

Stand-over Height19.5 inches
Drivetrain1 x 8
Frame MaterialAluminum/Alloy
Claimed Weight16.9 lbs
ShifterSRAM X4 Grip
Diamondback El Oso Nino

El Oso Nino 20

El Oso Nino is a fat bike made for kids who want to monster truck over everything in their path. Surprisingly, this is one of the only fat bikes for kids on the market. Importantly, the El Oso Nino’s frame and fork are made from tough hi-tensile steel. In addition, it’s got a seven-speed Shimano grip shifter to charge up hills, and powerful disc brakes for controlled descents and stopping. Four-inch-wide tires sit atop 20″ wheels, making for a unique style and ride. Overall, this bike was designed for riders from 45-56 inches tall.

Buy this kids’ fat bike from:

Saddle Height22.7 inches
Drivetrain1 x 7
Frame MaterialHi-Ten Steel
BrakesMechanical Disc
Claimed Weight?
ForkShimano RS-35 Grip Shift
Raleigh Rowdy 20

Raleigh Rowdy 20 / Lily 20

The Rowdy 20, “designed for boys”, and the Lily 20 “designed for girls” are essentially the same bike with slightly different frames and gender designated colors. (Does this matter?). Notably, the Rowdy and Lily 20” bikes feature a lightweight aluminum frame made to fit kids 44”-54” in height. The included Shimano grip shifters allow your rider a choice of 6 speeds. The Raleigh JR Mountain saddle and JR grips are designed to fit the proportions of a growing child.

Buy this kids’ mountain bike from:

Stand-over Height19.5 inches
Drivetrain1 x 6
Frame MaterialAluminum/Alloy
Claimed Weight20.4 lbs
ShifterShimano Revo 6spd Grip

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

Prevelo Zulu Three22 inches1 x 10aluminumTektro hydraulic disc22.2 lbsSR Suntour XCM Air SL 20 - 80mm travelShimano DEORE RAPIDFIRE Plusnone
Cleary Owl 20 Single Speed19.3 inchessingle speedSteelV Hand19 lbsrigidnonenone
Early Rider Trail T20SC21.5 inches1 x 96061 Aluminum AlloyHydraulic disc brakes17.8 lbsSpinner Grind Air 50mm forkSRAM X5 triggernone
Salsa Timberjack 2018.4 inches1 x 86061Aluminum AlloyPromax Mechanical Disc23 lbsrigidShimano Tourney Revonone
Woom 419.5 inches1 x 8Aluminum AlloyV Hand16.9 lbsrigidSRAM X4 Gripnone
El Oso Nino 2022.7 inches1 x 7Hi-Ten SteelMechanical Disc?rigidShimano RS-35 Grip Shiftnone
Raleigh Rowdy 20 and Lily 2019.5 inches1 x 66061 Aluminum AlloyV Hand20.4 lbsrigidShimano Revo 6spd Gripnone

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