Click me trigger
Info Main Title
My message
Close
Notice Main Title
My message
Close
Success Main Title
My message
Close
Error Main Title
My message
Close
Bikes
Promotions
5x Rewards on All 2025 Bikes
Save 24% on Specialized Tarmac Expert Road Bikes
Shop all Clearance & Sale Bikes Now
Shop by Type
Sale Bikes
Electric bikes
Road bikes
Mountain bikes
Gravel Bikes
Hybrid bikes
Kids bikes
Kids balance bikes
Folding bikes
Time Trial Bikes
Bike frames
Trailers & Tag-Alongs
2025 Bikes
One-Off & Ex-Display Bikes
Shop by Brand
Trek
Specialized
S-Works
Giant
Bergamont
Bold
Brompton
Cube
Electra
Frog Bikes
Kona
Liv
Marin
Scott
Shop by Model
Trek Domane
Specialized Tarmac
Trek Madone Gen 8
Giant TCR
Liv Langma
Giant Defy Advanced
Trek Domane+
Trek Checkmate & Checkpoint
Extra Info
Bicycle Sizing Guides
Choosing the Right Road Bike for You
Different Types of Mountain Bikes Explained
Choose the Right Tyres for Your Road Bike
Demo Bikes & Test Rides
Electric Bikes
Promotions
UP TO 25% OFF SPECIALIZED LEVO MODELS
Electric Bikes on Sale
Ex-Display & EX-Demo Bikes
Shop by Type
Sale Electric Bikes
All Electric Bikes
Electric Hybrid & City Bikes
Electric Mountain Bikes
Electric Road & Gravel Bikes
Electric Folding Bikes
Electric Cargo Bikes
Shop by Brand
Trek
Specialized
Brompton
Bergamont
Cube
Electra
Giant
Liv
Marin
Momentum
Scott
Extra Info
Electric Bike Buying Guide
Electric Bike Safety
The Best Electric Mountain Bikes of 2024
Full-Power Vs Lightweight E-MTB’s
E-Hybrid Bikes: Lightweight vs. Full Powered
Power Up Your Journey
E-Bike Positive
Demo Bikes & Test Rides
Helmets & Clothing
Promotions
SAVE UP TO 40% OFF CASTELLI CLOTHING
SAVE 50% ON BONTRAGER CIRCUIT HELMETS
MADISON CLOTHING
Helmets & Protection
Sale Helmets & Protection
All Helmets
City & Commuting Helmets
MTB Helmets
Road Helmets
Kids Helmets
Body Armour
Knee Protection
Elbow Protection
Shop Helmets by Brand
Specialized Helmets
Giro Helmets
Fox Racing Helmets
Bontrager Helmets
Trek Helmets
Abus Helmets
Endura Helmets
MET Helmets
Lazer Helmets
Bell Helmets
POC Helmets
Clothing
Sale Clothing
Mountain Bike Clothing
Road Bike Clothing
Commuter Clothing
Gravel & Adventure Clothing
Base Layers
Gilets & Vests
Glasses
Gloves & Mitts
Hats & Caps
Jackets
Jerseys
Shorts
Tights & Trousers
T-Shirts & Casual Wear
Warmers
Footwear
Sale Footwear
Shoes
Road Shoes
Mountain Bike Shoes
Overshoes
Socks
Shop Clothing by Brand
Castelli
Fox Racing Clothing
Madison
Endura
Specialized Shoes
Bontrager Shoes
Rapha
Giro
Components
Promotions
Save on Continental Grand Prix 5000 Tyres
Save Up To 20% on Pirelli Tyres
SAVE UP TO 40% ON GROUPSETS
Gears & Drivetrain
Groupsets
Chainsets & Cranks
Cassettes & Freewheels
Derailleurs
Shifters
Chains
Chain Rings
Bottom Brackets
Cables & Wires
Power Meters
Brakes & Controls
Brakes
Handlebars
Stems
Headsets
Handlebar Tape
Handlebar Grips
Wheels & Tyres
Wheels
Carbon Wheels
Aluminium Wheels
Front Wheels
Rear Wheels
Hubs
Spokes
Wheel Spares
Tyres
Inner Tubes
Tubeless
Other Components
Pedals & Cleats
Saddles
Seatposts
Forks & Shocks
Folding Bike Parts
Electric Bike Components
Component Bundles
All Components
Clearance & Sale Parts
Shop by Brand
Bontrager
Brompton
Continental
Hope Technology
Muc Off
Park Tool
Schwalbe
Shimano
Specialized
SRAM
Stans Notubes
Vittoria
Accessories
Promotions
SAVE UP TO 30% ON LIGHTING
WAHOO HOME TRAINERS
GIFT VOUCHERS
Lighting
All Lights
Light Sets
Front Lights
Rear Lights
Light Mounts
Training & Electronics
Turbo Trainers
GPS Units & Computers
Headphones
Nutrition
Chamois Cream & Care
Phone Accessories
Security & Storage
All Locks
D-Locks
Cable Locks
Chain Locks
Ground & Wall Anchors
Bike Storage
Luggage
Backpacks & Hip Packs
Hydration Packs
Handlebar Bags
Saddle Bags
Frame Bags
Brompton Bags
Pannier Bags
Pannier Racks
Bike Car Racks
Other Accessories
Bottles & Cages
Mudguards
Pumps
Child Seats
Tag-ALongs & Trailers
Bike Bells
Kickstands
Electric Bike Accessories
Accessory Bundles
All Accessories
Sale Accessories
Shop by Brand
Bontrager
Brompton
Garmin
Hiplok
Kryptonite
Lezyne
Ortlieb
Peaty's
Specialized
Topeak
Wahoo
Tools & Maintenance
Promotions
ImageBanner1
ImageBanner2
VIEW ALL TOOLS & MAINTENANCE
Tools
All Tools
Bottom Bracket Tools
Cable Cutters & Pliers
Cassette Tools
Chain Tools
Hex, Torx Keys
Multi Tools
Repair Stands
Spanners & Wrenches
Bike Pumps
Mini Pumps
Electric Inflators
Track Pumps
Shock Pumps
Co2 Pumps
Puncture Repair
All Pumps
Cleaning & Lubrication
All Cleaning Products
Bike Cleaner
Bike Lubricants & Grease
Bike Protection
Brushes & Sponges
Chain & Drivetrain Degreaser
Tubeless
All Tubeless
Tubeless Repair
Tubeless Sealant
Tubeless Tape
Tubeless Valves
Tyre Inserts
Stores & Servicing
Promotions
FIND A STORE
BOOK A SERVICE
CONTACT US
Servicing & Workshops
Book a Store Service
Home Collection Servicing
CAMS: Cycling Accident Management Services
Shimano Crankset Inspection
All Stores
Chiswick W4 1PU
Dulwich SE22 9AX
Fulham SW6 5NT
Gatwick RH10 9TZ
Hackney E8 3RD
Islington N1 2SA
Kingston KT2 5EE
Notting Hill W2 5RU
Reigate RH2 7AQ
Streatham SW2 4UB
Sutton SM1 1LU
Waterloo SE1 8LL
Info
Contact Us
We're recruiting - Join our team
Demo Bikes & Test Rides
Events
Trade In - Supporting CFC
Help & Advice
Promotions
CUSTOMER REWARDS
CYCLE TO WORK
DELIVERY INFO
Buying Guides
Bicycle Sizing Guides
Electric Bike Buying Guides
Guide to Bicycle Locks
A Guide to Choosing Bike Lights
Choose The Right Road Bike Tyres
Advice
Choose the Right Road Bike
Make Indoor Cycling Fun
Mountain Bikes Explained
Lightweight vs. Full Powered E-Hybrid Bikes
Lightweight vs. Full Powered E-MTB’s
Electric Bike Safety
Contact Us
Contact Our Support Team
Store Finder
Cycle to Work
Delivery
Returns
We're recruiting - Join our team
Clearance & Sale
Clearance & Sale Bikes
All Sale Bikes
Trek Outlet Bikes
Specialized Outlet Bikes
Ex-Display and One-Off Bikes
Electric Bike Sale
Road Bike Sale
Mountain Bike Sale
Hybrid Bike Sale
Clearance & Sale Equipment
All Sale & Clearance
Clothing
Shoes & Footwear
Helmets & Protection
Accessories
Components
Tools & Maintenance
Ex Display & Ex-Demo Accessories & Components
Brand Sale
Specialized
Trek
Giant
Castelli
Cube
Elite
Endura
Fox Clothing
Giro
Kryptonite
Saris
Scott
Bergamont
0
Your Profile
Your Basket
0
Your Offers
0
Your cart is currently empty.
Items Total: £0.00
Checkout with free delivery.
Continue Shopping
Checkout
£10 OFF £100 SPEND - USE CODE SAVE10
Cycle to Work
Free Click & Collect
Finance Available*
Book A Service Online
Trustpilot
£10 OFF £100 SPEND - USE CODE SAVE10
Cycle to Work
Free Click & Collect
Finance Available
Book A Service Online
Trustpilot
To improve your shopping experience today and in the future, this site uses cookies.
Read our full Privacy Policy & Cookie information here
I Accept Cookies
Home
Cycling
Components
8Speed
Adult
Sort
Sort
Name (A-Z)
Name (Z-A)
Price (Low to High)
Price (High to Low)
Discount
Filters
Your results are currently sorted 'Name (A-Z)'
Your results are currently sorted 'Name (Z-A)'
Your results are currently sorted 'Price (Low to High)'
Your results are currently sorted 'Price (High to Low)'
Your results are currently sorted 'Discount'
Reset sort order
Filters
Back
Shop by Price
5
211
Shop by Size
Remove Size Filters
Filters
Activity
Cycling
Department
Components
Speed
8 Speed
Model Range
Shimano Acera
Shimano Alfine
Shimano Altus
Shimano Claris
Shimano Nexus
Shimano Tourney
SRAM Centera
SRAM X3
Electric or Mechanical Shifting
Electronic
Mechanical
Category
Cassettes & Freewheels
Cassette & Freewheel Options
Cassette
Freewheel
Fitting Style
Freewheel Fitting
Hyperglide
Chainrings
Chainring Fitting Style
BCD Mount
Motor Style
Derailleurs & Mechs
Derailleur Position
Front Derailleur
Rear Derailleur
Derailleur Cage
Clamp
SGS/Long Cage
SS/Short Cage
Derailleur Spares
Gears & Drivetrain
Gears & Drivetrain Options
Chains
Chainsets & Cranks
Shifters
Gearing Speed
6 Speed
7 Speed
8 Speed
Gear Type
Mechanical
Hubs
Hub Options
Freehub Body
Rear Hub
Freehub Body
Shimano Hyperglide
Single Gear
Hub Spacing
135mm O.L.D
Brand
Connex
Kmc
Shimano
Sram
Sunrace
Colour
Black
Blue
Gender
unisex
Age
Adult
Season
Core
Extrwrkshp
VCOL
Web
WEBSS
WrkshpWhse
Material
Aluminium
Wheel Size
Groupset
Microshift
Brake Type
MTB Suspension Type
Ride Type
MTB Fork Travel
Road Bike Type
Legwear Options Not in Use
Headwear Options
Glove & Mitt Options
Warmer Options
Helmet Style
Armour Options
Shoe Type
Lighting Options
Lock Type
Nutrition Options
Turbo Trainer Type
Electronics Options
Bottles & Cage Options
Packs & Luggage Options
Transport & Storage Options
Pedal & Cleat Options
Saddles & Seat Post Type
Seat Post Options
Tyre or Tube?
Tyre and Tube Size
Tyre Type
Wheel Rim Size
Fork or Shock?
Fork Options
Brake Options
Finishing Kit Options
Tool Options
Pump Options
Position
Visibility
Sleeve Length
Weatherproofing
Fabric Type
Eyewear Type
Lens Type
Child Seat Options
Kids Age Approx
Wheel Type
Rack Type
Electric Bike Type
Shoe Fastening
Chain Lubricant Use
Pedal Style
Cage Load Position
Bottle Size
Cleaning Options
Bottom Bracket Fitting
Hydration Pack Options
Brake Spares
Wheel Spare Type
Tubeless Kit Options
Tag Alongs and Trailers
Bike Protection Type
BMX Options
Battery Capacity in kWh
Sold Secure Rating
Silver
Max Brightness
Trainer Spares & Accessories
Clothing Type
Smart Compatibility
Battery Type
Fastening
Shoe Style
Protection Technology
Folding Bike Spares
Fitting Type
Helmet Spares
Mudguard Spares
Shorts Style
Tight & Trouser Type
Frame Type
Cleat Type
Electric Bike Components
Electric Bike Accessories
Cleat Fitting
Groupset Type
Handlebar or Stem
Bar Diameter
Bar Style
Brake Style
Frame Spares
GPS & Computers Options
GPS & Computer Accessories
Mapping
Power Meter Style
Suspension Travel
Lubricant & Grease Type
Care Type
Merchandise Type
Type to Filter
Refined to 38 Products
Stock & Sale Options
In Stock Only
On Sale Only
Adult Cycling 8 Speed Components
Showing results for size(s)
Clear All
Filters
Sort
Your results are currently sorted 'Name (A-Z)'
Your results are currently sorted 'Name (Z-A)'
Your results are currently sorted 'Price (Low to High)'
Your results are currently sorted 'Price (High to Low)'
Your results are currently sorted 'Discount'
Reset sort order
Aww... Snap! Your filter choices don't match any of our products.
Click the Return icon above to undo your last step or try Type to Search again
Home
Head home and start again?
If you prefer to start over or you've arrived here by mistake, click the Home icon above.
£14.99
Shimano HG40 6/7/8 Spd 116 W/CL Chain
£22.99
Shimano CS-HG50 8-speed 11 - 28T Cassette
£24.99
Shimano HG71 6/7/8 Spd 116 Quicklink Chain
£4.98
KMC Missing Link for 6 7 and 8 speed chains in sliver
£22.99
Shimano Acera HG41 8 Speed Cassette 11- 34T Silver
£4.99
Shimano SM-UG51 6/7/8-speed Pack of 2 Quick link for Shimano Chain
£17.00
£21.99
Save 23%
Shimano Altus FD-M310 8-speed Top Swing 42-48T Front Derailleur
£7.49
Shimano 7/8-Speed Connecting Pin for Shimano Chains Pack of 3
£27.98
KMC E8 EPT Chain in Silver
£16.00
£20.99
Save 24%
Shimano Acera HG31 8 Speed 11- 3 Cassette
£9.99
Shimano FC-R2000 34T-NB Chainring
£26.00
£34.99
Save 26%
Shimano CS-HG50 8-speed 12 - 25T Cassette
£211.00
£239.99
Save 12%
Shimano Alfine SG-S7051 Di2 8-Speed 32 Hole Internal Gear Hub Silver
£30.00
£36.99
Save 19%
Shimano Alfine SL-S7000 Right Hand Rapid Fire Plus Lever and Cable
£15.00
SunRace SLR80 Band On Down Tube Shift Levers 8spd Pair in Silver
£22.00
£34.99
Save 37%
Shimano Acera CS-HG400 8-speed 11-40T Cassette
£26.00
£37.99
Save 32%
Shimano RD-M3020 Acera Rear Derailleur SGS 8 Speed in Black
£149.00
£199.99
Save 25%
Shimano ST-R2000 Claris 8-speed Road Drop Bar Levers Double STI
£34.99
Sunrace 8 Speed 13-32T Freewheel in Chrome
£36.00
£39.99
Save 10%
microSHIFT Acolyte Super ShortCage SpringLock Rear Derailleur in Black
£69.99
Connex 8sE Bicycle Chain 136 Link 8-Speed Stainless Rollers and Inner Links Nickel Plated w Connex Link in Silver
£64.99
Connex 8sE Bicycle Chain 124 Link 8-Speed Stainless Rollers and Inner Links Nickel Plated w Connex Link in Silver
£203.00
£249.99
Save 19%
Shimano Alfine SG-S7001 Internal 8-Speed Gear Hub in Black
£15.00
£18.00
Save 17%
SRAM Centera 8spd 2:1 Rear Twist Shifter
£13.00
£17.99
Save 28%
Shimano Tourney RV400 Revo 8spd Right Hand Shifter
£16.00
£19.00
Save 16%
Sram X3 Rear Derailleur 7-8 Speed Long Cage in Black
£19.00
£22.99
Save 17%
Shimano FH-RM35 Complete Freewheel Body
£27.99
Shimano FH-RM66 Complete Freewheel Body
£31.00
£34.99
Save 11%
Shimano Nexus SL-S503 Alfine 8-Speed RH Rapidfire Shifter in Black
£30.00
£34.99
Save 14%
Shimano Nexus SL-S503 Alfine 8-Speed RH Rapidfire Shifter in Silver
£30.00
£36.99
Save 19%
Shimano Alfine S7000 8 Speed Right Hand Shifter
£203.00
£249.99
Save 19%
Shimano Alfine SG-S7001 Internal 8-Speed Gear Hub in Silver
£11.00
£13.99
Save 21%
Shimano FC-R2030 30T-MR Chainring
£9.99
Shimano FC-R2030 30T-MR Chainring
£73.00
£89.99
Save 19%
Shimano FC-R2000 Claris 8-Speed 50/34T 170 mm Compact Chainset
£171.00
£189.99
Save 10%
Nexus SG-C6001-8C 8-Speed Internal Hub for Coaster Bike
£211.00
£239.99
Save 12%
Shimano Alfine SG-S7051 Di2 8-Speed Internal Gear Hub in Black
£21.99
Sunrace Super Fluid Drive Cassette 8 Speed in Silver 11-32
Javascript Errors - Hover to zoom (esc to close)