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Product Description:

This helmet is designed for your mountain bike rides of up to 2 hours.

Comfortable and lightweight, this helmet protects your head against branches and shocks. Its plus: 9 large vents and its adjustment wheel.

ROCKRIDER

Mountain bike helmet expl 100

Rs 1,490.00

4.79/5

2193 reviews

4.79/5

2193 reviews

Size guide

HOW TO CHOOSE MY SIZE

Mens                   Womens                  Child


GUIDE TO SIZES MEN

To take your measurements:

  • Head:  Wrap a measuring tape around your head, above the eyebrows. Make sure it's parallel to the ground when your head is straight.
  • Chest:  Wrap a measuring tape around your back and come forward as far as your chest goes. Make sure it is straight and parallel to the ground.
    Raise your head, tighten the tape and breathe normally.
  • Size:  Wrap a tape measure around the narrowest part of your waist, above your belly button.
    Raise your head, tighten the tape and breathe normally.
  • Main:  Hold a tape measure at the bend of your thumb. Wrap around your palm.
  • Feet: hold on stand against a wall, heels touching the wall. Place an object (eg a book...) against your longest toe.
    Measure the length between the wall and the object.
MEN'S TOPS: T-shirts, tank tops, shirts, fleeces, sweaters, jackets ...
Chest size:
(in cm) 		84-87 88-91 92-95 96-99 100-103 104-107 108-113 114-118 119-123 124-129 130-135 136-141 142-146 147-153 154-159
Size US XS XS/S S S/M M M/L L L / XL XL XL / 2XL 2XL 2XL / 3XL 3XL 3XL / 4XL 4XL
Size EU XS S M M/L L L / XL XL XL / 2XL 2XL 2XL / 3XL 3XL 3XL / 4XL 4XL 4XL / 5XL 5XL
MEN'S BOTTOM: Shorts, pants, tracksuits, swimwear...
Waist size:
(in cm)
70-73 74-77 78-81 82-85 86-89 90-95 96-100 101-105 106-111 112-117 118-123 124-129 130-135 136-141 142-147
EU size - Europe 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64
Universal size XS S M M-L L L-XL XL XL-2XL 2XL 2XL-3XL 3XL 3XL-4XL 4XL 4XL-5XL 5XL
MEN'S GLOVES: cycling, skiing, diving...
Waist size:
(in cm) 		20.25-20.85 20.86-21.5 21.51-22.15 22.16-22.8 22.81-23.45 23.46-24.1 24.11-24.75
Universal size XS S M L XL 2XL 3XL
MEN'S CAP: Caps, beanies, helmets ...
Head measurement:
(in cm) 		51.1 52 52.9 53.8 54.7 55.6 56.5 57.4 58.3 59.2 60.1
Size T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10

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GUIDES DES WOMEN'S SIZES

To take your measurements:

  • Head:  Wrap a measuring tape around your head, above the eyebrows. Make sure it's parallel to the ground when your head is straight.
  • Chest:  Wrap a measuring tape around your back and come forward as far as your bust goes. Make sure it is straight and parallel to the ground.
    Raise your head, tighten the tape and breathe normally.
  • Under Bust:  directly under the bust. wrap a measuring tape around the rib cage. Make sure it is straight and parallel to the ground.
    Raise your head, tighten the tape and breathe normally.
  • Size:  Wrap a tape measure around the narrowest part of your waist, above your belly button.
    Raise your head, tighten the tape and breathe normally.
  • Hips:  wrap a tape measure around the fullest part of your hips
  • Main:  Hold a tape measure at the bend of your thumb. Wrap around your palm.
  • Feet: stand against a wall with your heels touching the wall. Place an object (eg a book...) against your longest toe.
    Measure the length between the wall and the object.
      WOMEN'S TOPS: T-shirts, tank tops, shirts, fleeces, sweaters, jackets, swimwear...
      Chest size:
      (in cm)       		76-79 80-83 84-87 86-91 92-95 96-99 100-103 104-107 108-113 114-118 119-123 124-129 130-135 136-141 142-146 147-153
      UK size 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
      EU size - Europe 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62
      Universal size 3XS 2XS XS S M M-L L L-XL XL XL-2XL 2XL 2XL-3XL 3XL 3XL-4XL 4XL 4XL-5XL
      BRA
      Under Bust Size:
      (in cm)       		63-67 68-72 73-77 78-82 83-87 88-92 93-97 98-102 103-107 108-112 113-117
      Size 80 85 90 95 100 105 110 115 120 125 130
      UK size 30 32 34 36 38 40 42 44 46 48 50

       

      For high end swimwear with back ties, if your size is not available, you can wear another size with similar band size.
      Examples:  with a size 95C , you can wear a  100B by tightening the rear link more , or a  90D by tightening the back link less .

      Chest size in cm)
      Section A-A 72-74 77-79 82-84 87-89 92-94 97-99 102-104 107-109
      Cutting A 75-77 80-82 85-87 90-92 95-97 100-102 105-107 110-112
      Cutting B 78-80 83-85 88-90 93-95 98-100 103-105 108-110 113-115
      Cutting C 81-83 86-88 91-93 96-98 101-103 106-108 111-113 116-118
      Cutting D 84-86 89-91 94-96 99-101 104-106 109-111 114-116 119-121
      Cutting E 87-89 92-94 97-99 102-104 107-109 112-114 117-119 122-124
      Cutting F 90-92 95-97 100-102 105-107 111-113 115-117 120-122 125-127
      Cutting G 93-95 98-100 103-105 108-110 113-115 118-120 123-125 128-130
      WOMEN'S BOTTOM: Shorts, pants, tracksuits...
      Waist size:
      (in cm)       		57-58 58-62 63-65 66-69 70-73 74-77 78-84 85-90 91-96 97-102 103-108 109-114 115-120 121-128 129-132 133-139
      UK size 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
      EU size - Europe 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62
      Universal size 3XS 2XS XS S M M-L L L-XL XL XL-2XL 2XL 2XL-3XL 3XL 3XL-4XL 4XL 4XL-5XL
      Swimsuit ...
      Size:
      (cm)      		 56-59 60-63 64-67 68-71 72-75 76-79 80-93 84-89 90-95 96-101 102-107 108-113 114-119 120-125 126-131 132-137
      Hipsize:
      (cm)      		 86-89 90-93 94-97 98-101 102-105 106-109 110-113 114-119 120-125 126-131 132-137 138-143 144-149 150-155 156-161 162-167
      EU size - Europe 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64
      Universal size 2XS XS S M M-L L L-XL XL XL-2XL 2XL 2XL-3XL 3XL 3XL-4XL 4XL 4XL-5XL 5XL
      WOMEN'S GLOVES: Skiing, cycling, diving...
      Waist size:
      (in cm)
      		16.25-17.1 17.11-17.95 17.96-18.8 18.81-19.5 19.51-20.1 20.11-20.7 20.71-21.3
      Universal size 2XS XS S M L XL 2XL
      WOMEN'S CAP: Caps, beanies, helmets ...
      Head measurement:
      (in cm)       		51.1 52 52.9 53.8 54.7 55.6 56.5 57.4 58.3 59.2 60.1
      Size T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10

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      GUIDE TO SIZES KID

      To take your measurements:

      • Height: Stand against a wall, barefoot or in socks, heels against the wall.
        Stand up straight, then hold a book or flat object above your head.
        Block the book, mark the bottom edge of the book. Measure the distance from the floor to the mark.
      • Head: Wrap a measuring tape around your head, above the eyebrows. Make sure it's parallel to the ground when your head is straight.
      • Main:  Hold a tape measure at the bend of your thumb. Wrap around your palm.
      • Feet: hold on stand against a wall, heels touching the wall. Place an object (eg a book...) against your longest toe.
        Measure the length between the wall and the object.
      TOP / BOTTOM BOY: T-shirts, sweaters, jackets, fleeces ...
      Height:
      (in cm)      		 56-63 64-70 71-76 77-82 83-89 90-97 98-104 105-114 115-124 125-132 133-142 143-152 153-162
      Universal size 3 Months 6 to 9 months 9 to 12 months 18 Months 2 Years 3 Years 4 Years 5 Years 6 Years 8 Years 10 Years 12 Years 14 Years
      GIRL TOP / BOTTOM: T-shirts, sweaters, jackets, fleeces ...
      Size:
      (in cm)      		 56-63 64-70 71-76 77-82 83-89 90-97 98-104 105-114 115-124 125-132 133-142 143-150 151-160
      Universal size 3 Months 6 to 9 months 9 to 12 months 18 Months 2 Years 3 Years 4 Years 5 Years 6 Years 8 Years 10 Years 12 Years 14 Years
      KIDS GLOVES
      Hand size:
      (in cm)      		 13.9-14.9 14.91-15.9 15.91-16.9 16.91-17.8 17.81-18.6 18.61-19.45
      Universal size 4 Years 6 Years 8 Years 10 Years 12 Years 14 Years
      BABY HEAD: Caps, hats, helmets ...
      Head measurement:
      (in cm)       		41.1 43.6 44.9 45.7 47.4 48.6 49.7 50.6
      Size 3 Months 6 Months 9 Months 12 Months 18 Months 2 Years 3 Years 4 Years
      CHILDREN'S CAP: Caps, beanies, caps ...
      Head measurement:
      (in cm)      		 51.1 52 52.9 53.8 54.7 55.6 56.5 57.4 58.3 59.2 60.1
      Size T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10

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      Color : ultra white
      Size: L
      Ref: 8578498
      In stock
      Collection available at Decathlon Bagatelle Usually ready in 24 hours

      Mountain bike helmet expl 100

      ultra white / L / 8578498

      Decathlon Bagatelle

      Recovery available, usually ready in 24 hours

      Decathlon Bagatelle
      80832
      Moka
      Maurice

      +2306502400

      Decathlon Beau Plan

      Recovery available, usually ready in 24 hours

      Beautiful Roundabout Plan
      21001
      Grapefruits
      Maurice

      Secure payment by MIPS

      Free home delivery from Rs 2,500

      We offer several delivery methods:

      • Home delivery (free from Rs 2,500)
      • Relay point delivery (free from Rs 1,000)
      • In-store pickup (free)

      Free home delivery from Rs 2,500

      We offer several delivery methods:

      • Home delivery (free from Rs 2,500)
      • Relay point delivery (free from Rs 1,000)
      • In-store pickup (free)

      Return and exchange

      You have up to 90 days to return your items.
      More information via this lien.

      Return and exchange

      You have up to 90 days to return your items.
      More information via this lien.

      Product Description:

      This helmet is designed for your mountain bike rides of up to 2 hours.

      Comfortable and lightweight, this helmet protects your head against branches and shocks. Its plus: 9 large vents and its adjustment wheel.
      Product information

      This helmet is designed for your mountain bike rides of up to 2 hours.

      FEATURES

      9 Vents Chin strap closure: clip Occipital adjustment: wheel Comfort foams: removable and washable (available in after-sales service) Visor: fixed Outer shell: ABS Dimensions size M: length: 30 cm, width: 21 cm, height: 20 cm

      HOW TO CHOOSE YOUR MTB HELMET SIZE?

      To find out your helmet size, simply measure your head circumference (at the forehead). This mountain bike helmet is available in two sizes: M: 55 - 59 cm L: 59 - 62 cm

      Certified to EN 1078 standard

      European standard setting out the requirements and test methods for helmets to be worn by users of rollerblades, skateboards, scooters and bicycles. The requirements and corresponding test methods cover the following aspects: construction, including field of vision; shock absorption properties; features of the retention system, including chinstrap and tightening devices; marking and information.

      WHEN TO CHANGE YOUR HELMET?

      We recommend changing your helmet in 2 cases: 1/ After a fall: In the event of a fall, the material of your helmet can deteriorate or even break. Sometimes, you don't notice it. This is why we advise you to replace it at the slightest doubt. 2/ After 5 years of use: The foam deteriorates. It can be damaged depending on impacts, its storage location, the climate and its use. We therefore advise you to change your helmet at least every 5 years.

      HOW TO ADJUST YOUR HELMET?

      3 quick steps to adjust your helmet in 2 minutes: 1/ If necessary, pass your ponytail through the back of the helmet (lower the rim of the dial). 2/ Adjust and clip the buckle of the 2 straps: check that you can still slide 2 fingers between the strap and the chin. 3/ Adjust the tightness of the headband with the rear dial. The helmet must be in contact with the head, without tilting forward, backward or sideways, even when you are moving.

      PRODUCT TESTS

      Our team of product designers, based at the B'Twin Village in Lille, is constantly researching ways to improve the comfort of our customers on their bikes. Our obsession is to develop products that meet user needs and eliminate user constraints.

      Comfortable and lightweight, this helmet protects your head against branches and shocks. Its plus: 9 large vents and its adjustment wheel.

      This helmet is designed for your mountain bike rides of up to 2 hours.

      This helmet is designed for your mountain bike rides of up to 2 hours.

      FEATURES

      9 Vents Chin strap closure: clip Occipital adjustment: wheel Comfort foams: removable and washable (available in after-sales service) Visor: fixed Outer shell: ABS Dimensions size M: length: 30 cm, width: 21 cm, height: 20 cm

      HOW TO CHOOSE YOUR MTB HELMET SIZE?

      To find out your helmet size, simply measure your head circumference (at the forehead). This mountain bike helmet is available in two sizes: M: 55 - 59 cm L: 59 - 62 cm

      Certified to EN 1078 standard

      European standard setting out the requirements and test methods for helmets to be worn by users of rollerblades, skateboards, scooters and bicycles. The requirements and corresponding test methods cover the following aspects: construction, including field of vision; shock absorption properties; features of the retention system, including chinstrap and tightening devices; marking and information.

      WHEN TO CHANGE YOUR HELMET?

      We recommend changing your helmet in 2 cases: 1/ After a fall: In the event of a fall, the material of your helmet can deteriorate or even break. Sometimes, you don't notice it. This is why we advise you to replace it at the slightest doubt. 2/ After 5 years of use: The foam deteriorates. It can be damaged depending on impacts, its storage location, the climate and its use. We therefore advise you to change your helmet at least every 5 years.

      HOW TO ADJUST YOUR HELMET?

      3 quick steps to adjust your helmet in 2 minutes: 1/ If necessary, pass your ponytail through the back of the helmet (lower the rim of the dial). 2/ Adjust and clip the buckle of the 2 straps: check that you can still slide 2 fingers between the strap and the chin. 3/ Adjust the tightness of the headband with the rear dial. The helmet must be in contact with the head, without tilting forward, backward or sideways, even when you are moving.

      PRODUCT TESTS

      Our team of product designers, based at the B'Twin Village in Lille, is constantly researching ways to improve the comfort of our customers on their bikes. Our obsession is to develop products that meet user needs and eliminate user constraints.

      Comfortable and lightweight, this helmet protects your head against branches and shocks. Its plus: 9 large vents and its adjustment wheel.

      This helmet is designed for your mountain bike rides of up to 2 hours.

      Sports advice

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