JOYSTAR 20 Inch Kids Mountain Bike, Dual Suspension, Dual Handbrake, Single Speed
- Kids' Bike
- 20 inches
- 1
- Carbon Steel
- More reviewed than 59%
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How it ranks among the 150 kids' bikes we track
4.4★ across 429 Amazon ratings, Bayesian-smoothed toward the category average.
429 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 150 kids' bikes we track - how the scorecard works · full kids' bikes data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 21, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The JOYSTAR BIKE061bk-20-UK is a 20-inch kids' mountain bike designed for boys and girls ages 6-12. It features a hi-tensile steel frame, dual suspension, and dual handbrakes for a safe and smooth ride on trails. With pneumatic tires and a twist grip shifter, this single-speed bike is ideal for beginners.
- Dual suspension system absorbs shocks for a comfortable ride on rough terrain.
- Dual handbrakes provide reliable stopping power for enhanced safety.
- Hi-tensile steel frame offers durability and stability for young riders.
- Pneumatic tires deliver better traction and a smoother ride on various surfaces.
Specifications
| Brand | Joystar |
|---|---|
| Model | BIKE061bk-20-UK |
| Dimensions & fit | |
| Wheel Size | 20 inches |
| Weight | 26.5 pounds |
| Capacity & performance | |
| Number of Speeds | 1 |
| Age Range | Big Kid |
| Construction & materials | |
| Frame Material | Carbon Steel |
| Color | Black |
| Other details | |
| Brake Style | V Brake |
What buyers say
AI-assisted summary of a sample of Amazon customer reviews · Medium confidence · Updated Jul 6, 2026
Kids love this bike for its sturdy build, thick tires, and adjustable seat. Many found assembly easy and considered it a good value for the price.
- Active kids who enjoy trails
- Growing children needing adjustable seat
Some customers reported difficulties with brake adjustment, wheel wobble, and unresponsive customer service. Assembly can be time-consuming for some.
- Brakes difficult to center
- Front wheel wobble out of box
- Customer service unresponsive
- Assembly took over an hour
- Tire valve issues
Themes are compiled from a sample of Amazon customer reviews - no review text is copied, reviewers are not necessarily verified purchasers, and a sample may not represent every buyer's experience.
Other Joystar kids' bikes
How it compares
This product against the closest alternatives we track in kids' bikes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| JOYSTAR 20 Inch Kids Mountain Bike, Dual Suspension, Dual Handbrake, Single SpeedThis product | 4.4 / 5 | 429 | 4.0 / 5 |
| Dynacraft Hot Wheels 16-Inch BMX Bike for BoysDynacraft | 4.5 / 5 | 3,200 | 4.4 / 5 |
| Coewske Kids Bike 18 Inch Steel Frame Princess Style with Training WheelsCoewske | 4.6 / 5 | 2,200 | 4.5 / 5 |
| Mongoose Legion L20 Freestyle BMX BikeBrand | 4.4 / 5 | 3,200 | 4.4 / 5 |
| Weize TW-DU008 16-Inch Kids Bike with Coaster BrakeWeize | 4.5 / 5 | 1,100 | 4.3 / 5 |
Similar kids' bikes from other brands
Questions about the Joystar BIKE061bk-20-UK
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the JOYSTAR BIKE061bk-20-UK come with a kickstand?
Yes, the bike includes a kickstand for convenient parking.
What type of brakes does this JOYSTAR kids' bike use?
It features dual handbrakes with a V-brake style for responsive stopping.
Is the JOYSTAR 20-inch bike suitable for beginner riders?
Yes, it is designed for beginners with a single-speed drivetrain and twist grip shifter for easy gear changes.
What size wheel does the JOYSTAR BIKE061bk-20-UK have?
It has 20-inch wheels, suitable for children ages 6-12 years old.
Does it require assembly?
Yes, some assembly is required, but it typically comes with instructions and tools.