IMG_2792894
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Product description

We've designed this mountain bike for children aged 9 to 12 (135 to 150 cm) wishing to perfect their XC MTB techniques.

Equipped with an aluminium frame, this mountain bike has an adjustable suspension fork and hydraulic disc brakes for effective braking on descents.

ROCKRIDER

Kids' mountain bike 24" 9-12 years expl 900 - blue

Sale priceDhs. 2,259.00
Sold out

Size Guide

Size Guide

Size Guide

MEN'S
Find My Size
IN CM
Find Size
Tops
UK Size Chest (in) Waist (in)
XS 33.1 – 34.3 27.6 – 28.7
S 34.6 – 35.8 29.1 – 30.3
M 36.2 – 37.4 30.7 – 31.9
L 37.8 – 40.6 32.3 – 35.0
XL 40.9 – 44.5 35.4 – 39.4
2XL 44.9 – 48.4 39.8 – 43.7
3XL 48.8 – 53.1 44.1 – 48.4
Bottoms
UK Size Low Hip (in) Waist (in)
XS 31.5 – 33.5 26.0 – 28.0
S 33.9 – 35.8 28.3 – 30.3
M 36.2 – 38.2 30.7 – 32.7
L 38.6 – 40.9 33.1 – 35.0
XL 41.3 – 43.7 35.4 – 38.2
2XL 44.1 – 46.5 38.6 – 41.3
3XL 46.9 – 49.6 41.7 – 44.5
HOW TO MEASURE:

1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.

2- Chest: Wrap a tape measure around your back and measure the fullest part of your chest. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.

3- Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.

4- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.

How to measure
WOMEN'S
Find My Size
IN CM
Find Size
Tops
.5 – 32.7.9 – 48.4
UK Size Low Hip (in) Waist (in)
2XS 22.8 – 24.4
XS 33.1 – 34.3 24.4 – 25.6
S 34.6 – 35.8 26.0 – 27.2
M 36.2 – 37.4 27.6 – 28.7
L 37.8 – 40.6 29.1 – 33.1
XL 40.9 – 44.5 33.5 – 37.8
2XL 38.2 – 42.5
Bottoms
.1 – 33.5.9 – 47.2
UK Size Low Hip (in) Waist (in)
2XS 23.6 – 24.8
XS 33.5 – 35.4 25.2 – 26.8
S 35.4 – 37.8 27.2 – 28.7
M 37.8 – 40.2 29.1 – 31.1
L 40.2 – 42.5 31.5 – 33.9
XL 42.5 – 44.9 34.3 – 36.6
2XL 37.0 – 39.4
Bra
UK Size Bust (in) Underbust (in)
2XS 30.7 – 31.5 24.8 – 26.4
XS 31.5 – 33.5 24.8 – 28.3
S 33.5 – 35.4 26.8 – 30.3
M 35.4 – 37.4 28.7 – 32.3
L 37.4 – 39.4 30.7 – 34.3
XL 39.4 – 41.3 32.7 – 36.2
2XL 41.3 – 43.3 34.6 – 38.2
HOW TO MEASURE:

1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.

2- Bust: Wrap a tape measure around your back and measure the fullest part of your bust. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.

3- Underbust: Directly below the bust, wrap a tape measure around the ribcage. Make sure it's straight and parallel to the floor. Raise your head, tighten the tape and breathe normally.

4- Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.

5- Hips: Wrap a tape measure around the fullest part of your hips.

6- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.

How to measure
KIDS'
Find My Size
IN CM
Find Size
Boys
Age Height (in) Chest (in) Waist (in) Low Hip (in)
6 months 24.0 – 27.2 16.5 – 16.9 14.6 – 15.2 16.5 – 17.1
9 months 27.6 – 28.3 16.9 – 17.3 15.2 – 15.6 17.1 – 17.7
12 months 28.7 – 29.5 17.3 – 17.7 15.6 – 16.1 17.7 – 18.5
18 months 29.9 – 31.9 18.1 – 18.5 16.3 – 16.9 18.5 – 19.3
24 months 32.3 – 34.6 18.9 – 19.3 17.3 – 18.1 19.3 – 20.3
2 – 3 years 35.0 – 37.4 19.7 – 20.1 18.1 – 18.9 20.3 – 20.9
3 – 4 years 37.8 – 40.2 20.5 – 21.3 19.3 – 20.1 21.3 – 22.4
4 – 5 years 40.6 – 44.1 21.7 – 22.4 20.1 – 20.9 22.8 – 24.0
5 – 6 years 44.5 – 48.0 22.8 – 23.6 20.9 – 21.7 24.4 – 25.6
7 – 8 years 48.4 – 51.2 24.4 – 24.8 21.7 – 22.4 26.0 – 27.2
8 – 9 years 51.6 – 55.1 25.2 – 26.4 22.8 – 23.6 27.6 – 28.7
10 – 11 years 55.5 – 59.1 26.8 – 28.7 24.0 – 25.2 29.1 – 30.3
12 – 13 years 59.4 – 63.0 29.1 – 31.5 25.6 – 27.2 30.7 – 33.1
14 – 15 years 63.4 – 67.7 31.9 – 34.6 27.6 – 29.1 33.5 – 35.8
Girls
Age Height (in) Chest (in) Waist (in) Low Hip (in)
6 months 24.0 – 27.2 15.4 – 16.9 13.4 – 15.2 15.4 – 17.1
9 months 27.6 – 28.3 16.9 – 17.3 15.2 – 15.6 17.1 – 17.7
12 months 28.7 – 29.5 17.3 – 17.7 15.6 – 16.1 17.7 – 18.5
18 months 29.9 – 31.9 18.1 – 18.5 16.3 – 16.9 18.5 – 19.3
24 months 32.3 – 34.6 18.9 – 19.3 17.3 – 18.1 19.3 – 20.3
2 – 3 years 35.0 – 37.4 19.7 – 20.1 18.1 – 18.9 20.3 – 20.9
3 – 4 years 37.8 – 40.2 20.5 – 21.3 19.3 – 20.1 21.3 – 22.4
4 – 5 years 40.6 – 44.1 21.7 – 22.4 20.1 – 20.9 22.8 – 24.0
5 – 6 years 44.5 – 48.0 22.8 – 23.6 20.9 – 21.7 24.4 – 25.6
7 – 8 years 48.4 – 51.2 24.4 – 24.8 21.7 – 22.4 26.0 – 27.2
8 – 9 years 51.6 – 55.1 25.2 – 26.4 22.8 – 23.6 27.6 – 28.7
10 – 11 years 55.5 – 58.3 26.8 – 28.0 24.0 – 24.8 29.1 – 31.9
12 – 13 years 58.7 – 62.6 28.3 – 31.9 25.2 – 26.4 32.3 – 35.0
14 – 15 years 63.0 – 65.4 32.3 – 33.9 26.8 – 28.0 35.4 – 36.6
HOW TO MEASURE:

1- Height: Stand against a wall, barefoot or in socks, heels pasted to the wall. Stand right, then hold a book or flat object on the top of your head. Block the book, mark the bottom edge of the book. Measure the distance from the floor to the mark.

2- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.

3- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.

How to measure
FOOTWEAR
Find My Size
IN CM
Find Size
Men's Footwear
UK Size EU Size Foot Length (in)
5.5 38.5 9.6
6 39 9.6
6 39.5 9.8
6.5 40 10.0
6.5 40.5 10.0
7 41 10.2
7.5 41.5 10.4
7.5 42 10.4
8 42.5 10.6
8.5 43 10.8
9 43.5 11.0
9.5 44 11.0
10 44.5 11.2
10.5 45 11.2
10.5 45.5 11.4
11 46 11.6
11.5 46.5 11.6
Women's Footwear
UK Size EU Size Foot Length (in)
2 34 8.25
2.5 34.5 8.5
3 35 8.7
3 35.5 8.9
3.5 36 8.9
4 36.5 9.1
4.5 37 9.3
4.5 37 9.3
5 38 9.4
5.5 38.5 9.6
5.5 39 9.6
6 39.5 9.8
6.5 40 10.0
6.5 40.5 10.0
7 41 10.2
7.5 41.5 10.4
8 42 10.4
Unisex Footwear
UK Women's / Men's EU Size Foot Length (in)
W3 / M2.5 35 8.6
W3.5 / M3 36 8.9
W4 / M3.5 36.5 9.1
W4.5 / M4 37 9.3
W5 / M4.5 37.5 9.3
W5.5 / M5 38 9.4
W6 / M5.5 39 9.6
W6.5 / M6 39.5 9.8
W7 / M6.5 40 10.0
W7.5 / M7 41 10.2
W8 / M7.5 41.5 10.4
W8.5 / M8 42 10.4
W9 / M8.5 43 10.8
W9.5 / M9 43.5 11.0
W10 / M9.5 44 11.0
W10.5 / M10 44.5 11.2
W11 / M10.5 45 11.2
W12 / M11 46 11.6
W13 / M12 47 11.8
W14 / M12.5 48 12.0
HOW TO MEASURE:

Foot length: Stand against a wall, heels touching the wall. Put an object (e.g. book) against your longest toe. Measure the length between the wall and the object. Repeat this process for the other foot. If the lengths are different, choose the largest.

How to measure
ACCESSORIES
Measurements
IN CM
Headwear (Caps, Beanies, Hats)
UK Size Head (in)
2XS 18.5 – 19.7
XS 19.7 – 20.9
S 20.9 – 22.0
M 22.0 – 23.2
L 23.2 – 24.4
Helmets
UK Size Head (in)
2XS 17.3 – 19.3
XS 18.5 – 20.5
S 20.5 – 21.7
M 21.7 – 23.2
L 23.2 – 24.4
Gloves
UK Size Palm perimeter (in) Hand length (in)
2XS 7.0 – 7.3 6.3 – 6.6
XS 7.3 – 7.6 6.7 – 6.9
S 7.6 – 7.9 7.0 – 7.2
M 8.0 – 8.2 7.2 – 7.4
L 8.3 – 8.5 7.4 – 7.7
XL 8.6 – 8.9 7.7 – 7.9
2XL 8.9 – 9.2 8.0 – 8.1
3XL 9.2 – 9.5 8.2 – 8.4
HOW TO MEASURE:

1- Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.

2- Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.

BIKES
Measurements
IN CM
Kids' Bikes
Bike size Height
12" 2'5" – 3'0"
14" 3'0" – 3'5"
16" 3'5" – 3'11"
20" 3'11" – 4'5"
24" 4'5" – 5'1"
Road & Gravel Bikes
Bike size Height
XS 5'1" – 5'5"
S 5'5" – 5'8"
M 5'8" – 5'11"
L 5'11" – 6'2"
XL 6'2" – 6'7"
Mountain Bikes
Bike size Height
S 4'11" – 5'5"
M 5'5" – 5'9"
L 5'9" – 6'0"
XL 6'0" – 6'7"
Ref: 8828225
Size: 24"
Color : Unique
Home Delivery 2 - 4 Days
Up to 2-year warranty
Secure Payments

Product description

We've designed this mountain bike for children aged 9 to 12 (135 to 150 cm) wishing to perfect their XC MTB techniques.

Equipped with an aluminium frame, this mountain bike has an adjustable suspension fork and hydraulic disc brakes for effective braking on descents.

Description

We've designed this mountain bike for children aged 9 to 12 (135 to 150 cm) wishing to perfect their XC MTB techniques.

A frame that's adapted for mountain biking:

Our engineers designed this aluminium frame. Sturdy, lightweight, and dynamic, it's designed for tackling any obstacles when out mountain biking.

Powerful braking:

Powerful, progressive braking thanks to the front and rear hydraulic disc brakes.

Breaking in disc brakes:

A bedding-in process is required. On a flat, dry road, perform 3 sets of 10 progressive brake applications at increasing speeds. 1) Ride at 15 km/h, brake down to 5 km/h, and repeat 10 times. 2) Ride at 20 km/h, brake down to 5 km/h, and repeat 10 times.3) Optional (kid's bike): Ride at 25 km/h, brake down to 5 km/h, and repeat 10 times.Between each step, release and ride for a few dozen metres in order to ventilate the disc.This bedding-in process optimises the pad/disc adhesion.

A single chainring 9-speed drive train:

This bike is equipped with speed control levers that are controlled using the thumb and index finger, allowing effortless changes between the 9 speeds. This bike has a 32-tooth single chainring and an 11-36 9-speed cassette, making gear changes easy. They allow you to tackle gradients with a single control. So you can stay focused on steering.

A front suspension to cushion unpredictable terrain:

This mountain bike has an adjustable fork for clearing obstacles (roots, rocks, stones...) with peace of mind thanks to its 50 mm travel.

A child-friendly saddle:

A saddle with a sporty design, designed with care and adapted to the morphology of children. Comfortable combined with a durable, flexible aluminium seat post.

A precise riding position:

To hone your steering, we have equipped this mountain bike with a short aluminium stem (50 mm) and a 620 mm oversize handlebar. This makes you more precise and responsive on turns.

An aluminium chainset:

The aluminium chainset has a 152 mm crank that is suited to the child's leg length. This light chainset allows you to start pedalling more easily. The double guard over the chain stops it jumping.

Double-wall rims:

The double-walled aluminium rims are light and durable. To transport your bike, we've made it easier to remove/install the front and rear wheels with a quick release system. The wide 24"x1.95 Skinwall tyres are lightweight. The 24" inner tube is compatible with tyre cross-sections of 1.7 to 2.2 with Schrader valves. The tyre pressure is shown on the sidewall (between 2 and 3.5 bars).

This bike can be equipped:

As required by standards, this MTB is equipped with a bell, lighting, wheel reflectors and platform pedals. The frame is also compatible with other accessories: - front and rear mudguards - stand - bottle cage - saddle/handlebar/frame bag

Dimensions of the bike ready to use:

Length: 160cm.Height: 100cm. Width: 62 cm.

Frame dimensions:

Top tube length: 479.3 mm Seat tube length: 345 mm Chainstay length: 415 mm Seat post length: 370 mm Head angle: 68.2°

Ordering online:

For smoother shipping, our bikes come with their pedals removed and the handlebar unscrewed (instructions and tools are supplied)

Weight:

12.1kg

Photos non-binding:

The photos or videos on the bike's description show specific drive train parts, particularly the cassette and the derailleur. However, depending on our component procurement process, an equivalent derailleur and cassette from a different brand may be present on the bike.

Look after your child's bike!

Look after your child's bike so that it's always ready for a new adventure! To ensure full maintenance, we recommend that you follow these 3 steps: 01 Degrease your drive train 02 Clean your bike 03 Lubricate your chain 3 steps that require 3 products which can be found in our bike cleaning kit (8751194), that will become your best friend!"

Equipped with an aluminium frame, this mountain bike has an adjustable suspension fork and hydraulic disc brakes for effective braking on descents.

Ease of use

Aluminium frame and crankset. Quick release for removing the wheels.

Brake control

Front/rear hydraulic disc brakes: POWERFUL AND PROGRESSIVE BRAKING

Efficiency

Suspension fork, Skinwall tyres for less weight, 9 speeds

We've designed this mountain bike for children aged 9 to 12 (135 to 150 cm) wishing to perfect their XC MTB techniques.

We've designed this mountain bike for children aged 9 to 12 (135 to 150 cm) wishing to perfect their XC MTB techniques.

A frame that's adapted for mountain biking:

Our engineers designed this aluminium frame. Sturdy, lightweight, and dynamic, it's designed for tackling any obstacles when out mountain biking.

Powerful braking:

Powerful, progressive braking thanks to the front and rear hydraulic disc brakes.

Breaking in disc brakes:

A bedding-in process is required. On a flat, dry road, perform 3 sets of 10 progressive brake applications at increasing speeds. 1) Ride at 15 km/h, brake down to 5 km/h, and repeat 10 times. 2) Ride at 20 km/h, brake down to 5 km/h, and repeat 10 times.3) Optional (kid's bike): Ride at 25 km/h, brake down to 5 km/h, and repeat 10 times.Between each step, release and ride for a few dozen metres in order to ventilate the disc.This bedding-in process optimises the pad/disc adhesion.

A single chainring 9-speed drive train:

This bike is equipped with speed control levers that are controlled using the thumb and index finger, allowing effortless changes between the 9 speeds. This bike has a 32-tooth single chainring and an 11-36 9-speed cassette, making gear changes easy. They allow you to tackle gradients with a single control. So you can stay focused on steering.

A front suspension to cushion unpredictable terrain:

This mountain bike has an adjustable fork for clearing obstacles (roots, rocks, stones...) with peace of mind thanks to its 50 mm travel.

A child-friendly saddle:

A saddle with a sporty design, designed with care and adapted to the morphology of children. Comfortable combined with a durable, flexible aluminium seat post.

A precise riding position:

To hone your steering, we have equipped this mountain bike with a short aluminium stem (50 mm) and a 620 mm oversize handlebar. This makes you more precise and responsive on turns.

An aluminium chainset:

The aluminium chainset has a 152 mm crank that is suited to the child's leg length. This light chainset allows you to start pedalling more easily. The double guard over the chain stops it jumping.

Double-wall rims:

The double-walled aluminium rims are light and durable. To transport your bike, we've made it easier to remove/install the front and rear wheels with a quick release system. The wide 24"x1.95 Skinwall tyres are lightweight. The 24" inner tube is compatible with tyre cross-sections of 1.7 to 2.2 with Schrader valves. The tyre pressure is shown on the sidewall (between 2 and 3.5 bars).

This bike can be equipped:

As required by standards, this MTB is equipped with a bell, lighting, wheel reflectors and platform pedals. The frame is also compatible with other accessories: - front and rear mudguards - stand - bottle cage - saddle/handlebar/frame bag

Dimensions of the bike ready to use:

Length: 160cm.Height: 100cm. Width: 62 cm.

Frame dimensions:

Top tube length: 479.3 mm Seat tube length: 345 mm Chainstay length: 415 mm Seat post length: 370 mm Head angle: 68.2°

Ordering online:

For smoother shipping, our bikes come with their pedals removed and the handlebar unscrewed (instructions and tools are supplied)

Weight:

12.1kg

Photos non-binding:

The photos or videos on the bike's description show specific drive train parts, particularly the cassette and the derailleur. However, depending on our component procurement process, an equivalent derailleur and cassette from a different brand may be present on the bike.

Look after your child's bike!

Look after your child's bike so that it's always ready for a new adventure! To ensure full maintenance, we recommend that you follow these 3 steps: 01 Degrease your drive train 02 Clean your bike 03 Lubricate your chain 3 steps that require 3 products which can be found in our bike cleaning kit (8751194), that will become your best friend!"

Equipped with an aluminium frame, this mountain bike has an adjustable suspension fork and hydraulic disc brakes for effective braking on descents.

Ease of use

Aluminium frame and crankset. Quick release for removing the wheels.

Brake control

Front/rear hydraulic disc brakes: POWERFUL AND PROGRESSIVE BRAKING

Efficiency

Suspension fork, Skinwall tyres for less weight, 9 speeds

We've designed this mountain bike for children aged 9 to 12 (135 to 150 cm) wishing to perfect their XC MTB techniques.