Top 10 Bikes for Boys Age 9-12 Mountain Bike UK – Kids’ Bikes

As an Amazon Associate I earn from qualifying purchases.

1. MXSXN

MXSXN 16" 18" 20" 22" Girls/Boys Steel/Aluminum Mountain Bike with Disc Brake And Kickstand,Age for 5/6/7/8/9/10/11/12/13/14/15 Adjustable Seat Saddle,22"

MXSXN - 4. Quick release seat simplify the height adjustment. Just follow the instructions in four easy steps training wheels, pedal, saddle, handlebars to install, it usually takes a beginner around 20 minutes to assemble.

Two hand brakes are well designed for small hand, easy to stop. This comes with stable training wheel for early rider. Design for kids - 1. Buy this cool bike as a gift for your child or nephew now!3. Saddle with holder to learn riding when the training wheel is off. Tool-free adjustable seat:finally, the tool-free adjustable seat post makes for easy height adjustments while out on a ride, and it's perfect for young riders who are still still growing.

Show her the exciting world of mountain biking. Easy to install - the bike is 95% pre-assembled. 2. Bicycle configuration: sealed bottom axis; double-sided milling CNC aluminum ring; Ji Luer tire; three yuan inner tube; medium fish chain plate; baking varnish inner paste; shock-absorbing disc brake; with mudguard.
BrandMXSXN
ManufacturerMXSXN
Part Number345-400-747

2. SJSF Y

SJSF Y 16" 18" 20" 22" Girls/Boys Steel/Aluminum Mountain Bike with Disc Brake And Kickstand,Age for 5/6/7/8/9/10/11/12/13/14/15 Adjustable Seat Saddle,20"

SJSF Y - Two hand brakes are well designed for small hand, easy to stop. Design for kids - 1. Quick release seat simplify the height adjustment. Easy to install - the bike is 95% pre-assembled. 4. 2. Tool-free adjustable seat:finally, the tool-free adjustable seat post makes for easy height adjustments while out on a ride, and it's perfect for young riders who are still still growing.

Show her the exciting world of mountain biking. 3. Saddle with holder to learn riding when the training wheel is off. This comes with stable training wheel for early rider. Buy this cool bike as a gift for your child or nephew now! Bicycle configuration: sealed bottom axis; double-sided milling CNC aluminum ring; Ji Luer tire; three yuan inner tube; medium fish chain plate; baking varnish inner paste; shock-absorbing disc brake; with mudguard.

Just follow the instructions in four easy steps training wheels, handlebars to install, pedal, saddle, it usually takes a beginner around 20 minutes to assemble.
BrandSJSF Y
ManufacturerSJSF Y
Part Number345-823-747

3. morethan

X-Small, Lively, 新品 Kids Bike Gloves for Boys Girls Age 4 5 6 7 8 9 10 11 12 Optional, Half Finger Mountain Bike Gloves Colorful, Colorful, Fabric

morethan - Brand: morethan is a professional sports gloves brand, more than 17 years of Design & manufacture experience. Size: xs for 4-8 ages / S for 8~12 ages. Warranty: 6 months, we have a professional team to serve you at any time, for any problem please feel free to write to us, Thanks. Notice: fba delivers in 1-3 days, Seller delivers in 8-12 days. Quality material ce certificate: microfiber leatherPU + Lycra fabric + Sponge pad, The Gloves Are Lightweight And Extremely Comfortable To Wear. We only provides fashionable quality products, You can trust and choose MORETHAN.
Brandmorethan
ManufacturerMorethan
Height0.99 cm (0.39 Inches)
Length16 cm (6.3 Inches)
Weight38
Width15.01 cm (5.91 Inches)
Part NumberM1706
ModelXS-3-7

4. YUANP

YUANP Kids Bike 20" Kids Outdoor Bicycle 7-speed Adjustable,for 9-14Years Old Boys And Girls Adjustable Children Mountain Bike,A

YUANP - 3. Product components: Equipped with easy-adjusting ball bearing steering device, height and angle can be adjusted. 2. Product quality: modern, stable steel tube frame with low crossbar, safer for smaller riders.

1. This sporty bike for boys and girls comes with training wheels, and a quick release seatpost which makes it easy to adjust the height of the seat. 4. Product protection: the ergonomic bicycle seat cushion can be adjusted according to the rider's height and appropriate angle to maximize stability and safety. 5. Safety first: kids bikes of this size and child-friendly handbrake are required.
BrandYUANP
ManufacturerYUANP
Weight20 kg (44.09 Pounds)
Part Number14528

5. Ammaco

Ammaco Scafell 24" Wheel Kids Boys Mountain Bike Front Suspension 21 Speed 14" Frame Blue/Red Age 8+

Ammaco - Hi-tensile steel hydroformed tubing frame - Zoom Front Suspension Forks - 21 Speed Shimano Gears. Tyre size: 24" x 1. 95" - tyre size: 24" x 1. 95" - frame size: 14" - colour: Blue/White/Red - RRP 289. 99. Shimano revoshift gear shifters - Front & Rear V-Brakes - Triple Alloy Chainset. This bike comes 90% built and will require a simple final assembly. Rear shimano tz tourney derailleur - Lightweight Alloy Wheel Rims - TZ500 Rear Cassette.
BrandAmmaco
ManufacturerAmmaco

6. iwish

Iwish Kids Cycling Gloves Outdoor Riding Bike Roller for Boys Girls Age 4 5 6 7 8 9 10 11 12 L for age 7-10, Green

iwish - Elasticized materialthe cycling gloves is made of high elastic lycra fabric That Are Soft, Breathable And Anti-Abrasive. The gloves are lightweight And Extremely Comfortable To Wear;.

Range of bright colourful designs to suit all tastes and ages. Half-finger style fingerless cycling gloves for children, toddlers, kids, boys, girls with padded. Breathable & comfortable the back and palm part of the gloves are design with air-venting System That Is Permeable To Air And Perspiration, Avoiding Stuffiness Of The Palm Even In Vigorous Exercise;. Shock-absorbing & anti-slip extra padding at the outer and top of the palm of the Cycling Gloves Provide Powerful Shock Absorption Protection, Reduce Road Vibration And Hand Fatigue. Matching bikes, helmets, bells & horn. Velcro fastner on wrist to allow easy application and removal even for the youngest users.
Brandiwish
Manufactureriwish

7. FINGER TEN

New Kids Junior Jr Children Child Youth Boy Girl Ride Fit Sizing Gel Padding Outdoor Sport Cycling Mountain Road Bike Bicycle Half Finger Gloves Value 1 Pair Age 2-10 Blue, XL Age 10-12

FINGER TEN - Just make Them Happy and Smile. Finger ten cool technology Pulls Cool Air in and allows Hot Air and Moisture out;. Perforated palm and anti-slip gripper foam padding for Comfort and Durability too;Size Small Age 2-4, XL Age 10-12;.

No slip at All;. Many kids start their Cycling to School from This Glove. No risk and buy with confidence: all finger ten products are eligible for Amazon 30 Days Return and Change Policy. Spend less, buy better Quality Golf Gloves Than the Brand Ones;. Save packaged and save your money: you will receive the Product Packaged Well in Good Condition. Protect cycling fun for your kids: a best choice for kids, large age 7-10, girl, medium age 4-7, road, boy, school and mountain cycling.

Most comfortable design for them to wear: the silicon tab makes it easy for them to Wear on And Off. Also, the material is Very Soft and Comfort for Youth. The cool technology pulls Cool Air in and Allows Hot Air and Moisture Out. Finger ten is a new brand built in USA and aimed to make 100% Satisfaction for All Our Customers.
BrandFINGER TEN
ManufacturerFinger Ten
Height1.5 cm (0.59 Inches)
Length26 cm (10.24 Inches)
Width12 cm (4.72 Inches)
Part NumberRDFY-01

8. MOKFIRE

MOKFIRE Kids Bike Helmet for Boys Girls with Detachable Visor& Rear Light,CPSC Certified Bicycle Helmet for Mountain Road Cycling,Adjustable Size Youth Cycle Helmets 21.25-22.44inch-Black Titanium

MOKFIRE - Rear lightthe safety rear light at the rear of the bicycle helmet has 9 lighting modes, providing the best possible protection and vision on city streets, allowing passers-by to see your location more clearly, ensuring the safety of riding at night.

Lightweight & safetyour cycle helmets are made of high-density pvc and PC, which are light and breathable. Lightweight microshell design won't weigh you down while you ride, EPS foam, and helps absorb collisions and protect your head in the event of a collision. Perfect gift for boys and girls. It can absorb the pressure from external impact and provide maximum comfort when you are riding. Soft liningthe inner pad is made of breathable material, detachable and washable, and comfortable to wear.

Adjustable sizethe cycling helmet allows adjust the head through the dial on the back and the adjustable strap to ensure that the child helmet is properly worn on the head and comfortable. Good ventilateriding helmet has multiple air vents, and the special aerodynamic design allows air circulation. Keep your head cool and breathable while reducing wind resistance.
BrandMOKFIRE
ManufacturerMOKFIRE

9. Schwinn

6 Speed, Schwinn Remix 20" Wheel Smartstart Boys Front Suspension Bike, Blue with Funky Design Age 5 to 8 years

Schwinn - Schwinn child specific geometry helps achieve a COMFORTABLE fit, offering CONTROL and STABILITY for young riders. Standover height: 205 inches - Suitable for ages 6+. Element racing shocks front suspension fork offers SUPPORT and COMFORT up front. 20 inch wheels with 1. 95 inch wide multi-surfacE tyres for on and off road use. Simple final assembly required with step-by-step video in Schwinn brand store. 6 speed grip shift style gears for EASE of shifting. Front and rear v-brakes give the rider extra CONFIDENCE with SAFETY in mind.
BrandSchwinn
ManufacturerSchwinn
Part Number5055455689749
ModelBYSWREMIX20BLU
Warranty1 year limited

10. LEXINCHENG

Cycling Gloves Kids for Boys Girls Age 4 5 6 7 8 9 10 11 12, Safety, Hand Protection Size: XS for Age 4~8, Soft Comfortable Durable

LEXINCHENG - Brand: morethan is a professional sports gloves brand, more than 17 years of Design & manufacture experience. We only provides fashionable quality products, You can trust and choose MORETHAN. Notice: fba delivers in 1-3 days, Seller delivers in 8-12 days. Quality material ce certificate: microfiber leatherPU + Lycra fabric + Sponge pad, The Gloves Are Lightweight And Extremely Comfortable To Wear. Size: xs for 4-8 ages / S for 8~12 ages. Warranty: 6 months, for any problem please feel free to write to us, We have a professional team to serve you at any time, Thanks.
BrandLEXINCHENG
ManufacturerMorethan
Height1 cm (0.39 Inches)
Length16 cm (6.3 Inches)
Weight30
Width15 cm (5.91 Inches)