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
OLAIAN
REEBOK
ROXY
SIMOND
TAYLORMADE
TRIBAN
TARMAK
UMBRO
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
Mountain Biking
Mountain Bikes
Mens Mountain Bikes
Men's Mountain Bikes
Adventure awaits with Decathlon's range of men’s mountain bikes. The collection includes front and full suspension MTBs, as well as electric mountain bikes. With a wide range of styles to choose from, discover your next favourite bike.
Womens Mountain Bikes
Kids Mountain Bikes
Electric Mountain Bikes
See more
Filters (1)
43 items
Most relevant
wheel size
27.5"
18
27.5+"
2
29"
25
bike frame material
aluminium frame
38
carbon frame
7
rigid frame
2
suspension
semi stiff
25
fully suspended
13
with suspension
1
number of chainrings
triple chainring
2
single chainring
17
double chainring
2
number of speeds
8 speeds
7
9 speeds
7
10 speeds
10
11 speeds
3
12 speeds
12
18 speeds
2
21 speeds
1
24 speeds
1
power assisted
with electric assistance
17
without electric assistance
25
sizes
L : 1M75-1M80
1
M : 1M65-1M75
1
S : 1M50-1M65
1
colors
blue
13
black
9
grey
9
white
6
yellow
5
green
4
red
4
purple
3
orange
2
beige
1
price
Minimum
Maximum
Sellers
Decathlon
Decathlon
43
E-Bikes Direct
24
Decathlon UK - Second Life
10
RMX Trading Ltd
7
Tandem Group Trading
5
United Wheels UK Ltd
5
Premium Cycle Brands
1
Clear all (1)
ROCKRIDER 27.5" Electric Mountain Bike E-ST 500 - Black
4.3
30
Rate: 4.3 stars, 30 votes
£1,399.00
£1,599.99
Gallery item 1 out of 2
ROCKRIDER 27.5" Touring Mountain Bike ST 120 - Black/Blue
4.5
5094
Rate: 4.5 stars, 5094 votes
2 colors
£349.99
ROCKRIDER 27.5" Hardtail Electric Mountain Bike E-ST 100 - White/Red
4.1
97
Rate: 4.1 stars, 97 votes
£1,099.99
ROCKRIDER 27.5"+ Electric Semi-Rigid MTB Bike E-ST 900 - Grey
4.4
1904
Rate: 4.4 stars, 1904 votes
£1,699.00
£1,999.99
ROCKRIDER Women's 27.5" Electric Mountain Bike E-ST 500
5
1
Rate: 5.0 stars, 1 votes
£1,399.00
£1,599.99
ROCKRIDER 29" Touring Mountain Bike Explore 540 - Blue/Black
5
3
Rate: 5.0 stars, 3 votes
£699.99
£749.99
ROCKRIDER 29" Touring Mountain Bike Explore 520 - Grey / Red
4.7
10
Rate: 4.7 stars, 10 votes
£499.99
£549.99
ROCKRIDER 27.5-inch single chainring drivetrain mountain bike, black
4.4
1158
Rate: 4.4 stars, 1158 votes
£299.99
£379.99
ROCKRIDER 27.5" Full Suspension Mountain Bike ST 540 S - Blue/Orange
4.3
730
Rate: 4.3 stars, 730 votes
£499.99
£599.99
ROCKRIDER 27.5" Mountain Bike ST 900 S - Grey/Yellow
4.3
573
Rate: 4.3 stars, 573 votes
£799.99
£899.99
ROCKRIDER 27.5" Hardtail Electric Mountain Bike E-ST 100 - Blue
4.3
1890
Rate: 4.3 stars, 1890 votes
£799.99
£999.99
Gallery item 1 out of 2
ROCKRIDER 27.5 Inch Mountain bike Rockrider ST 100 - Grey
4.3
277
Rate: 4.3 stars, 277 votes
2 colors
£199.99
£249.99
ROCKRIDER 27.5 Inch MOUNTAIN BIKE FULL SUSPENSION ROCKRIDER ST 530 - BLACK/RED
4.5
23
Rate: 4.5 stars, 23 votes
£499.99
ROCKRIDER Mountain Bike ST 540 V2 27.5" - Blue
4.3
454
Rate: 4.3 stars, 454 votes
£449.99
£499.99
ROCKRIDER Women's 27.5" + Electric Semi-Rigid E-ST 900 MTB Bike - Turquoise
4.3
246
Rate: 4.3 stars, 246 votes
£1,699.00
£1,999.99
Gallery item 1 out of 2
ROCKRIDER 29" Touring Mountain Bike Explore 520 - Blue / Orange
4.3
587
Rate: 4.3 stars, 587 votes
2 colors
£499.99
£549.99
Gallery item 1 out of 2
ROCKRIDER 29" Touring Mountain Bike Explore 500 - Black
4.2
520
Rate: 4.2 stars, 520 votes
2 colors
£449.99
STILUS 29" Full Suspension Electric Mountain Bike E-All Mountain - Ochre
4.5
147
Rate: 4.5 stars, 147 votes
£3,999.99
ROCKRIDER 29" Full Suspension Electric Mountain Bike E-EXPL 500 S - Metal Grey
4.5
49
Rate: 4.5 stars, 49 votes
£2,299.00
£2,499.99
ROCKRIDER 29" Hardtail Electric Mountain Bike E-Expl 700 - Bottle Green
4.5
137
Rate: 4.5 stars, 137 votes
£2,299.00
£2,499.99
ROCKRIDER 27.5" Hardtail Electric Mountain Bike E-ST 500 - Black
4.3
708
Rate: 4.3 stars, 708 votes
£1,399.00
Was £1,599.99
ROCKRIDER 29 Inch MOUNTAIN BIKE ROCKRIDER XC 120 SRAM NX - RED
4.6
308
Rate: 4.6 stars, 308 votes
£999.99
£1,199.99
ROCKRIDER 27.5 Inch Electric Mountain Bike E-ST 520 - Grey/Yellow
4.4
911
Rate: 4.4 stars, 911 votes
£1,399.99
£1,699.99
ROCKRIDER 29" Full Suspension Electric All-Mountain Bike E-Feel 900 S Team Edition
£3,999.99
Gallery item 1 out of 2
ROCKRIDER MTB Cross Country Race 740 Carbon Frame - Blue
4.6
181
Rate: 4.6 stars, 181 votes
2 colors
£1,899.99
Gallery item 1 out of 2
ROCKRIDER XC Mountain Bike RACE 900S GX Eagle, Mavic Crossmax wheels, carbon frame
4.6
78
Rate: 4.6 stars, 78 votes
2 colors
£2,999.99
ROCKRIDER All Mountain Bike Feel 900 S - Carbon Frame
4
3
Rate: 4.0 stars, 3 votes
£2,999.99
ROCKRIDER 29" 630 Wh Electric Touring Mountain Bike E-EXPL 700 - Iridescent Purple
4.8
18
Rate: 4.8 stars, 18 votes
£2,299.00
£2,499.99
ROCKRIDER 29" Full Suspension Electric Mountain Bike E-Expl 520 S - Bright Red
4.4
122
Rate: 4.4 stars, 122 votes
£2,699.00
£2,999.99
STILUS 29"/27.5" Full Suspension Electric Mountain Bike E-Big Mountain - Green
4.7
21
Rate: 4.7 stars, 21 votes
£4,999.99
STILUS 29" Full Suspension Electric Mountain Bike E-Trail - Grey
4.1
84
Rate: 4.1 stars, 84 votes
£2,799.99
Gallery item 1 out of 3
ROCKRIDER 27.5" Mountain Bike ST 540 - Blue
4.3
2955
Rate: 4.3 stars, 2955 votes
3 colors
£349.99
£499.99
ROCKRIDER 29 inch Full Suspension Carbon Mountain Bike rockrider XC 900 - white
4.6
274
Rate: 4.6 stars, 274 votes
£2,399.99
£2,499.99
ROCKRIDER MOUNTAIN BIKE ROCKRIDER AM 100 HARDTAIL - white
4.4
181
Rate: 4.4 stars, 181 votes
£999.99
ROCKRIDER 29 inch Full Suspension Carbon Mountain Bike XC 500 - Grey
4.3
298
Rate: 4.3 stars, 298 votes
£1,999.99
Out of stock
ROCKRIDER XC Mountain Bike Race 900 GX Eagle, Mavic Crossmax Wheels, Carbon Frame
4.6
117
Rate: 4.6 stars, 117 votes
£2,499.99
Out of stock
Gallery item 1 out of 2
ROCKRIDER Aluminium Frame Mountain Bike XC 100
4.3
441
Rate: 4.3 stars, 441 votes
2 colors
£849.99
Out of stock
ROCKRIDER 29" Touring Mountain Bike Explore 500 - Blue
4.6
14
Rate: 4.6 stars, 14 votes
£449.99
Out of stock
ROCKRIDER Carbon frame, adjustable suspension mountain bike, black
4.6
5
Rate: 4.6 stars, 5 votes
£3,199.99
Out of stock
Gallery item 1 out of 2
ROCKRIDER 29" Hardtail Electric Mountain Bike E-Expl 520 - Mango
4.5
74
Rate: 4.5 stars, 74 votes
2 colors
£1,899.00
Out of stock
1 of 2