Welcome to the New Decathlon Experience
Sign up or log in
Sports
Sports
Popular
Cycling
Cycling
Hiking
Hiking
Running
Running
Fitness & Gym
Fitness & Gym
Camping
Camping
Football
Football
Swimming
Swimming
Kayaking
Kayaking
More sports
Country Sports
Country Sports
Golf
Golf
Horse Riding
Horse Riding
Mountain Biking
Mountain Biking
Road Cycling
Road Cycling
Roller Skating
Roller Skating
Stand Up Paddle
Stand Up Paddle
Tennis
Tennis
Trekking
Trekking
Yoga
Yoga
Basketball
Basketball
Rugby
Rugby
Scootering
Scootering
Climbing
Climbing
Trail Running
Trail Running
Snowboarding
Snowboarding
Mountaineering
Mountaineering
Slacklines
Via Ferrata, Canyoning and Caving
Via Ferrata, Canyoning and Caving
Winter Sports
Aqua Fitness
Water Polo
Water Polo
Surf
Surf
Sailing
Sailing
Snorkelling
Snorkelling
Scuba Diving
Scuba Diving
Spearfishing
Spearfishing
Water Skiing and Wakeboarding
Kitesurfing and Windsurfing
Kitesurfing and Windsurfing
Wing Foil
Wing Foil
Kiting
Kiting
Frisbee and Boomerangs
Skiing
Skiing
Cross-Training
HIIT Training
Bodybuilding
Boxing
Boxing
Pilates
Pilates
Gymnastics
Gymnastics
Martial Arts
Martial Arts
Kids PE & Gym
Kids PE & Gym
Dance
Dance
Gym Gear for Babies
Gym Gear for Babies
Athletics
Athletics
Triathlon
Triathlon
Orienteering
Nordic Walking
Nordic Walking
Power Walking
Power Walking
Cricket
Cricket
Handball
Handball
Field Hockey
Field Hockey
American Football
Baseball
Baseball
Roller Hockey
Roller Hockey
Netball
Volleyball and Beach Volleyball
Volleyball and Beach Volleyball
Badminton
Badminton
Table Tennis
Table Tennis
Squash
Squash
Padel
Padel
Frontenis
Beach Tennis
Basque Pelota
Ice Hockey
Ice Hockey
Ice & Figure Skating
Ice & Figure Skating
Skateboarding and Longboarding
Skateboarding and Longboarding
Archery
Archery
Darts
Darts
Snooker and Pool
Snooker and Pool
Boules and Petanque
Boules and Petanque
Skittles and Palet
Wallball
Carp Fishing
Carp Fishing
Predator fishing
Predator fishing
Coarse & Match Fishing
Coarse & Match Fishing
Sea fishing
Sea fishing
Teqball
Racketball
Race Walking
Floorball
Floorball
Table Football
Bushcraft - Bivouac
Bushcraft - Bivouac
See all sports
Women
Women
Shop all Women
Clothing
Clothing
Shoes
Shoes
Activewear
Activewear
Swimwear
Swimwear
Loungewear
Bikes
Bikes
Athleisure
Plus Size Clothing
Plus Size Clothing
Bags and Accessories
Bags and Accessories
Sales
Sales
Men
Men
Shop all Men
Clothing
Clothing
Shoes
Shoes
Bikes
Bikes
Activewear
Activewear
Swimwear
Swimwear
Bags and Accessories
Bags and Accessories
Loungewear
Athleisure
Plus Size Clothing
Sales
Cold Weather Collection
Base Layers
Kids
Kids
Shop all Kids
Clothing
Clothing
Shoes
Shoes
Outdoor Activities
Outdoor Activities
Bags and Accessories
Bags and Accessories
Baby and Toddlers
Baby and Toddlers
Swimwear and Beachwear
Swimwear and Beachwear
Back To School
Sales
Kids Cycling
Accessories
Accessories
Shop all Accessories
Sports Electronics
Sports Electronics
Bags
Bags
Footwear Accessories
Footwear Accessories
Water Bottles, flasks and protein shakers
Water Bottles, flasks and protein shakers
Sunglasses
Face Masks
Umbrellas
Navigational Equipment
Navigational Equipment
Hats, Headwear and Gloves
Hats, Headwear and Gloves
Rain Poncho and Capes
Towel and Towel Ponchos
Activity Trackers
Nutrition and Body Care
Nutrition and Body Care
Shop all Nutrition and Body Care
Protein
Protein
Food and Snacks
Food and Snacks
Vitamins & Supplements
Vitamins & Supplements
Hydration
Hydration
Energy Supplements
Energy Supplements
Pre, Intra and Post-Workout
Pre, Intra and Post-Workout
Protein Shakers & Water Bottles
Protein Shakers & Water Bottles
Recovery and Injury
Recovery and Injury
Skin and Body Care
Skin and Body Care
Pre, Intra and Post-Workout
Workshop Services and Spare Parts
Workshop Services and Spare Parts
Shop all Workshop Services and Spare Parts
Repair Your Product Yourself
Repair Your Product Yourself
Repair Your Product With Us
Repair Your Product With Us
Second Life Products
Deals
Deals
Shop all Deals
Mens Sale
Womens Sale
Kids Sale
Running Sale
Ski Sale
Fitness Sale
Cycling Sale
Hiking Sale
Swimming Sale
Camping Sale
Football Sale
Sailing Sale
Golf Sale
Water Sports Sale
Gym & Dance Sale
Horse Riding Sale
Fishing Sale
Snowboard Sale
Up to 50% off
Brands
Brands
Designed by Decathlon
QUECHUA
Mountain sports
ROCKRIDER
Outdoor cycling
DOMYOS
Fitness & gym
KIPSTA
Team sports
ARTENGO
Racket sports
TRIBORD
Water sports
Brands we love
ADIDAS
SALOMON
THULE
QUIKSILVER
GARMIN
PUMA
ASICS
CANTERBURY
CONTINENTAL
FORCLAZ
ITIWIT
KALENJI
NABAIJI
REEBOK
ROXY
SIMOND
TAYLORMADE
TRIBAN
TARMAK
VAN RYSEL
WEDZE
WILSON
YONEX
See all brands
Help & support
Find a store
Sports
Sports
Women
Women
Men
Men
Kids
Kids
Accessories
Accessories
Nutrition and Body Care
Nutrition and Body Care
Workshop Services and Spare Parts
Workshop Services and Spare Parts
Deals
Deals
Brands
Brands
Sports
Cycling
Bike Helmets
Bike Helmets
It’s important to remain safe when cycling, and here at Decathlon you’ll find a range of cycle safety products including our extensive range of bike helmets. Lightweight and comfortable, we’ve got cycle helmets for adults and kids.
Road Cycling Helmets
Mountain Biking Helmets
Urban Cycling Helmets
Kids Bike Helmets
See more
Filters
250 items
Most relevant
gender
MEN'S
175
WOMEN'S
157
GIRLS'
76
BOYS'
75
BABY BOY
27
BABY GIRL
27
KIDS
21
ADULT
10
NO GENDER
06
sizes
2XL
01
2XS
01
2XS/44-49cm
01
48-52cm
05
52-54cm
02
52-56cm
22
52-58cm
02
54-56cm
05
54-58cm
02
54-61cm
08
See all
brands
LAZER
44
MICRO
29
HJC
28
MET
16
OAKLEY
15
BTWIN
11
RASKULLZ
10
GIRO
09
KALI
08
VAN RYSEL
08
See all
price
Minimum
Maximum
colors
black
98
blue
76
white
47
grey
34
pink
32
green
30
red
30
yellow
23
orange
15
multi-colour
12
See all
Sellers
Sprocket and Gear Ltd
82
Decathlon
40
Micro-Scooters UK Ltd
29
Saddleback Ltd
28
E-Bikes Direct
15
Active Outlet
12
Gamola Golf
12
ALOC Sports Retail
11
SWAG Distribution Ltd
09
Second Chance Limited
06
See all
ROCKRIDER Mountain Bike Helmet EXPL 50 - Black
4.5
261
Rate: 4.5 stars, 261 votes
£12.99
Was £14.99
Gallery item 1 out of 3
VAN RYSEL RoadR 500 Road Cycling Helmet - Black
4.6
2930
Rate: 4.6 stars, 2930 votes
3 colors
£29.99
Gallery item 1 out of 2
BTWIN Kids' Bike Helmet 500 - Pink
4.6
1331
Rate: 4.6 stars, 1331 votes
2 colors
£14.99
Gallery item 1 out of 3
VAN RYSEL RoadR 900 Road Cycling Helmet - Blue
4.4
2136
Rate: 4.4 stars, 2136 votes
3 colors
£29.99
£39.99
Gallery item 1 out of 11
BTWIN 500 Urban Cycling Bowl Helmet - Brick Red
4.5
4258
Rate: 4.5 stars, 4258 votes
11 colors
£24.99
£29.99
BTWIN Kids' Bike Helmet 100 - Black
4.7
387
Rate: 4.7 stars, 387 votes
£9.99
£11.99
Gallery item 1 out of 4
BTWIN Kids' Bike Helmet 500 - Yellow
4.7
1709
Rate: 4.7 stars, 1709 votes
4 colors
£15.99
Gallery item 1 out of 4
BTWIN City Cycling Helmet 500 - Beige
4.6
4202
Rate: 4.6 stars, 4202 votes
4 colors
£27.99
Was £29.99
BTWIN City Cycling Bowl Helmet 540 - Khaki
£44.99
VAN RYSEL Road Cycling Helmet RCR - Black
£59.99
Gallery item 1 out of 2
BTWIN Kids' Mountain Bike Helmet 500 - Red
4.7
2135
Rate: 4.7 stars, 2135 votes
2 colors
£29.99
Gallery item 1 out of 2
ROCKRIDER Mountain Bike Helmet EXPL 100 - White
4.6
237
Rate: 4.6 stars, 237 votes
2 colors
£19.99
VAN RYSEL TRIATHLON HELMET WITH ADJUSTABLE VISOR CATEGORY 3 + MAGNETIC BUCKLE MATTE BLACK
4.4
42
Rate: 4.4 stars, 42 votes
£59.99
Gallery item 1 out of 2
VAN RYSEL Road Cycling Helmet RoadR 500 MIPS - Black
4.2
185
Rate: 4.2 stars, 185 votes
2 colors
£54.99
Gallery item 1 out of 11
ROCKRIDER Mountain Bike Helmet EXPL 500 - Yellow
4.7
6964
Rate: 4.7 stars, 6964 votes
11 colors
£24.99
£29.99
VAN RYSEL RoadR 100 Cycling Helmet - Black
4.3
1140
Rate: 4.3 stars, 1140 votes
£19.99
BTWIN 100 City Cycling Helmet - Black
4.6
2180
Rate: 4.6 stars, 2180 votes
£14.99
MICRO Ombre Purple/Pink Printed Helmet
£32.95
MICRO Mint Eco Matt Helmet
£26.95
MICRO Micro Children's Deluxe Helmet: Pink
£24.95
BELL MTB Helmet Ukon MIPS - Blue
4.6
184
Rate: 4.6 stars, 184 votes
£49.99
£69.99
MICRO Black Deluxe Helmet
£24.95
HJC HJC Calido: Ultra-Light Urban Helmet for Lifestyle Versatility
£56.00
£80.00
MICRO Micro Children's Deluxe 3D Helmet
£39.95
MICRO Micro Children's Deluxe Helmet: Dino
£32.95
MICRO Micro Deluxe Monster Helmet Monsters
£29.95
MICRO Micro Children's Deluxe Helmet: Monster
£25.00
MICRO Micro Children's Deluxe 3D Helmet: Dino
£36.95
MICRO Pink Eco Matt Helmet
£26.95
BTWIN Night Visibility Waterproof Helmet Cover 940 - Black
£13.99
MICRO Star Blue Printed Helmet
£32.95
Gallery item 1 out of 4
OXFORD Oxford F15 Helmet - Yellow
4 colors
From £25.07
£26.39
Gallery item 1 out of 4
LAZER Lazer Cameleon Cycle Helmet Matte Dark Blue
4 colors
£59.99
MARVEL Spiderman Safety Helmet - 48-52cm
£19.99
RASKULLZ Raskullz FS Child Helmet (5+ Years) Super Rainbow Corn Unisize 50-54cm
£24.99
Gallery item 1 out of 3
RALEIGH Raleigh Mission EVO Pioneer Reflective Bike Helmet
3 colors
£9.50
£29.99
Gallery item 1 out of 4
NUTCASE Nutcase - Little Nutty MIPS Helmet Leaf It
5.0
1
Rate: 5.0 stars, 1 votes
4 colors
£54.95
PEPPA PIG Peppa Pig Kids Bike Helmet - 48-52cm
£14.99
GIRO Mountain Bike Helmet Enduro/All Mountain Chronicle MIPS
4.5
49
Rate: 4.5 stars, 49 votes
£69.99
£89.99
MICRO Purple Matt Helmet
£24.95
1 of 7