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BTWIN

Kids' mountain bike helmet 500 - neon

Dhs. 155.00
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: 8549045
Size: S/51-56cm
Color : black
Home Delivery 2 - 4 Days
Up to 2-year warranty
Secure Payments
Description

Ride safely! This helmet offers head protection for children and teenagers, aged 4 to 15, when they're mountain biking or cycling on the road.

Size - Head Size Conversion

S: 51 -56 cm

Technology

In-Mold Microshell polycarbonate shell;

EN 1078 standard

Complies with standard EN 1078 for cycling, skating and skateboarding helmets. EN1078 is a European standard regarding testing methods and requirements for "cycling, skateboarding, and skating" helmets. This standard covers the following aspects: construction, including field of vision, shock absorption properties, retention system features including the chinstrap and tightening devices, and marking and information.

Returns conditions for personal protective equipment

A helmet is an item of PPE (Personal Protective Equipment). Ensure this product is suitable for you (model / size / colour) before purchase. If this is not the case, you may return it under the following conditions: with the instructions, labels, and if applicable, original packaging.

This helmet is light and comfortable: perfect for mountain biking. It's also well-ventilated. Adjustable, so you can change the fit as your child grows. The removable visor protects from tyre spray.

Impact protection

In-Mold Microshell polycarbonate shell; complies with standard EN 1078.

Adjustable

Rear dial to adjust the head size and pre-set side straps.

Ventilation

19 vents

Lightweight

Weight: 270 g in size S

Ride safely! This helmet offers head protection for children and teenagers, aged 4 to 15, when they're mountain biking or cycling on the road.

Ride safely! This helmet offers head protection for children and teenagers, aged 4 to 15, when they're mountain biking or cycling on the road.

Size - Head Size Conversion

S: 51 -56 cm

Technology

In-Mold Microshell polycarbonate shell;

EN 1078 standard

Complies with standard EN 1078 for cycling, skating and skateboarding helmets. EN1078 is a European standard regarding testing methods and requirements for "cycling, skateboarding, and skating" helmets. This standard covers the following aspects: construction, including field of vision, shock absorption properties, retention system features including the chinstrap and tightening devices, and marking and information.

Returns conditions for personal protective equipment

A helmet is an item of PPE (Personal Protective Equipment). Ensure this product is suitable for you (model / size / colour) before purchase. If this is not the case, you may return it under the following conditions: with the instructions, labels, and if applicable, original packaging.

This helmet is light and comfortable: perfect for mountain biking. It's also well-ventilated. Adjustable, so you can change the fit as your child grows. The removable visor protects from tyre spray.

Impact protection

In-Mold Microshell polycarbonate shell; complies with standard EN 1078.

Adjustable

Rear dial to adjust the head size and pre-set side straps.

Ventilation

19 vents

Lightweight

Weight: 270 g in size S

Ride safely! This helmet offers head protection for children and teenagers, aged 4 to 15, when they're mountain biking or cycling on the road.