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
Fishing
Fishing
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
72 items
Most relevant
gender
MEN'S
61
WOMEN'S
57
BOYS'
18
GIRLS'
18
BABY BOY
09
BABY GIRL
09
NO GENDER
03
ADULT
01
KIDS
01
sizes
2XL
01
52-54cm
01
52-56cm
07
54-56cm
01
54-61cm
05
55-59cm
05
56-58cm
02
56-60 CM
01
57-60cm
01
58-60cm
01
See all
brands
LAZER
22
HJC
10
MET
06
VAN RYSEL
06
OAKLEY
04
BTWIN
03
KALI
03
MICRO
03
ROCKRIDER
03
661
02
See all
price
Minimum
Maximum
colors
black
99
blue
82
white
58
grey
44
green
41
red
38
pink
37
yellow
32
orange
16
multi-colour
13
See all
Sellers
Sprocket and Gear Ltd
33
Decathlon
12
Saddleback Ltd
10
Active Outlet
04
Gamola Golf
04
Micro-Scooters UK Ltd
03
ALOC Sports Retail
02
SWAG Distribution Ltd
02
E-Bikes Direct
01
Second Chance Limited
01
Gallery item 1 out of 3
VAN RYSEL RoadR 500 Road Cycling Helmet - White
4.6
2943
Rate: 4.6 stars, 2943 votes
3 colors
£29.99
Gallery item 1 out of 4
BTWIN Kids' Bike Helmet 500 - Yellow
4.7
1733
Rate: 4.7 stars, 1733 votes
4 colors
£15.99
Gallery item 1 out of 11
ROCKRIDER Mountain Biking Helmet EXPL 500 - Neon Orange
11 colors
£29.99
Was £34.99
VAN RYSEL Road Bike Helmet FCR - White
£89.99
Gallery item 1 out of 3
VAN RYSEL Road Cycling Helmet Aerofit 900 - Black/Yellow
4.4
2140
Rate: 4.4 stars, 2140 votes
3 colors
£39.99
Gallery item 1 out of 11
BTWIN City Cycling Bowl Helmet 500 - Rosemary Green
4.5
4262
Rate: 4.5 stars, 4262 votes
11 colors
£29.99
Was £34.99
Gallery item 1 out of 2
BTWIN Kids' Mountain Bike Helmet 500 - Red
4.7
2144
Rate: 4.7 stars, 2144 votes
2 colors
£29.99
Gallery item 1 out of 2
ROCKRIDER Mountain Bike Helmet EXPL 100 - White
4.6
255
Rate: 4.6 stars, 255 votes
2 colors
£19.99
VAN RYSEL RoadR 100 Cycling Helmet - Black
4.3
1143
Rate: 4.3 stars, 1143 votes
£19.99
Gallery item 1 out of 2
VAN RYSEL Road Cycling Helmet RoadR 500 MIPS - Khaki
4.2
187
Rate: 4.2 stars, 187 votes
2 colors
£54.99
HJC HJC Veleco: Streamlined, Comfy Helmet for Road Cycling
Sold and shipped by Saddleback Ltd
£87.50
£125.00
VAN RYSEL Road Bike Helmet RCR MIPS - White
£79.99
Gallery item 1 out of 9
LAZER Lazer Compact Cycle Helmet Uni-Size
9 colors
Sold and shipped by Sprocket and Gear Ltd
£29.99
MICRO Micro Children's Deluxe 3D Helmet: Monsters
Sold and shipped by Micro-Scooters UK Ltd
£29.95
MICRO Micro Children's Deluxe Helmet: Monster
Sold and shipped by Micro-Scooters UK Ltd
£25.00
Gallery item 1 out of 6
LAZER Lazer Codax KinetiCore Cycle Helmet Uni-Size Adult
6 colors
Sold and shipped by Sprocket and Gear Ltd
£49.99
Gallery item 1 out of 3
MET Met Idolo Road Helmet Red Black | Glossy
3 colors
Sold and shipped by Sprocket and Gear Ltd
£34.50
£43.95
Gallery item 1 out of 7
LAZER Lazer Tempo Road Urban Cycle Helmet KinetiCore Uni-Size Adult
7 colors
Sold and shipped by Sprocket and Gear Ltd
£39.99
Gallery item 1 out of 6
LAZER Lazer J1 Cycle Helmet Uni-Size Youth
6 colors
Sold and shipped by Sprocket and Gear Ltd
£29.99
HJC HJC Calido Plus: Light Urban Helmet with Magnetic Visor & Auto-Fit
Sold and shipped by Saddleback Ltd
£115.50
£165.00
HJC HJC Calido: Ultra-Light Urban Helmet for Lifestyle Versatility
Sold and shipped by Saddleback Ltd
£56.00
£80.00
HJC HJC Furion 2.0: Light, Aero, High-Performance Cycling Helmet
Sold and shipped by Saddleback Ltd
£126.00
£180.00
HJC HJC Furion 2.0: Light, Aero, High-Performance Cycling Helmet
Sold and shipped by Saddleback Ltd
£126.00
£180.00
HJC HJC Ibex 2.0 Helmet: Lightweight & Advanced Ventilation for Optimal Cycling
Sold and shipped by Saddleback Ltd
£154.00
£220.00
HJC HJC Calido: Ultra-Light Urban Helmet for Lifestyle Versatility
Sold and shipped by Saddleback Ltd
£56.00
£80.00
HJC HJC Ibex 2.0 Helmet: Lightweight & Advanced Ventilation for Optimal Cycling
Sold and shipped by Saddleback Ltd
£154.00
£220.00
MICRO Micro Children's Deluxe Helmet: Unicorn
Sold and shipped by Micro-Scooters UK Ltd
£32.95
HJC HJC Calido: Ultra-Light Urban Helmet for Lifestyle Versatility
Sold and shipped by Saddleback Ltd
£56.00
£80.00
Gallery item 1 out of 6
KALI Kali Chakra Solo Trail Helmet - Solid Gloss Grey
6 colors
Sold and shipped by Active Outlet
From £38.75
£45.59
Gallery item 1 out of 3
KALI Kali Cruz+ Urban Helmet - Solid Matt High Visibility Yellow
3 colors
Sold and shipped by Active Outlet
£61.19
£71.99
Gallery item 1 out of 3
BBB BBB Nanga Mountain Bike Helmet Green Medium
5
1
Rate: 5.0 stars, 1 votes
3 colors
Sold and shipped by Sprocket and Gear Ltd
£34.99
LAZER Lazer Cityzen KinetiCore Cycle Helmet Matt White
Sold and shipped by Sprocket and Gear Ltd
£59.99
Gallery item 1 out of 4
LIVALL Livall EVO21 Smart Riding Helmet
3.9
7
Rate: 3.9 stars, 7 votes
4 colors
Sold and shipped by Second Chance Limited
£99.99
661 661 Recon Scout MTB Helmet - Orange
Sold and shipped by Sprocket and Gear Ltd
£49.95
£63.50
Gallery item 1 out of 2
7IDP 7iDP Project 23 ABS Full Face Helmet - Sand Black
2 colors
Sold and shipped by Sprocket and Gear Ltd
£118.98
Gallery item 1 out of 2
LAZER Lazer Tonic KinetiCore Cycle Helmet White
2 colors
Sold and shipped by Sprocket and Gear Ltd
£59.99
LAZER Lazer Strada KinetiCore Cycle Helmet White
Sold and shipped by Sprocket and Gear Ltd
£89.99
LAZER Lazer Victor KinetiCore Cycle Helmet Matt White Silver Medium
Sold and shipped by Sprocket and Gear Ltd
£269.99
LAZER Lazer Sphere MIPS Cycle Helmet White
Sold and shipped by Sprocket and Gear Ltd
£124.99
LAZER Lazer Z1 KinetiCore Cycle Helmet White
Sold and shipped by Sprocket and Gear Ltd
£229.99
1 of 2