Sign In Sign Up

Visit Us
London - Hampton Wick
Midlands - Oakham
Hertfordshire - Letchworth
Cheshire - Wilmslow

Reserve & Collect
Store FAQs

Bike Buying Consultation
Bike Fitting
Events & Rides
Servicing & Repairs
Partners

My Account
Contact Us
eGift Voucher
Offers & Discount Codes
Payment & Delivery
Price Match
Product Recalls
Reserve & Collect
Returns & Exchanges
Approved Used Warranty
Warranty

GBP

Account details Your Cart

Search products

Find your next...

New In
Bikes
Clothing, Shoes & Helmets
Components & Wheels
Accessories
Run & Triathlon
Nutrition
Hub
Brands

Sale Bikes

Shop all Sale Bikes

Featured Bikes

New In
New Specialized Tarmac SL9
New Specialized Crux 5

Road Bikes

Shop all Road Bikes & Frames
Road Bikes
Road Bike Frames
Electric Road Bikes

Gravel Bikes

Shop all Gravel Bikes & Frames
Gravel Bikes
Gravel Bike Frames
Electric Gravel Bikes

Triathlon Bikes

Triathlon Bikes
Triathlon Bike Frames

Other Bikes

Folding Bikes
Electric Bikes
Cyclocross Bikes
TT Bikes
Track Bikes
Hybrid Bikes

Approved Used

Shop all Approved Used Bikes
Find Out More

Services

Servicing and Repairs
Custom Bike Builds
Trek Project One
Bike Insurance
Bike Fitting
Cycle to Work Scheme
Finance

Top Brands

Argon 18
Brompton
Cannondale
Cervelo
Cinelli
Colnago
CUBE
ENVE
Factor
Pinarello
Specialized
Trek

Cervelo Soloist

Cervelo Soloist

New Tarmac SL9

Sale Clothing

Shop all Sale Clothing

Featured Clothing

New In
S Works Evade 4
Oakley Jawbreakers
MET Manta MIPS

Clothing

Shop all Clothing
Shorts & Bib Shorts
Jerseys
Short Sleeve Jerseys
Bib Tights, Leggings & Trousers
Jackets
Gilets & Vests
Base Layers
Socks
Skin Suits
Casual Clothing

Shop By Gender

Men's Clothing & Accessories
Women's Clothing & Accessories

Helmets

Shop all Helmets
Road Helmets
Gravel Helmets
TT Helmets
Commuter Helmets
MTB Helmets

Shoes

Shop all Cycling Shoes
Road Shoes
Gravel Shoes
Overshoes
Cleats
Insoles

Accessories

Sunglasses
Gloves
Arm Warmers
Caps, Hats & Buffs
Leg Warmers

Top Brands

Ale
Assos
Castelli
FINGERSCROSSED
Kask
Lake
MET
Oakley
Pas Normal Studios
Q36.5
QUOC
Rapha
Shimano
Specialized
Universal Colours

Pas Normal Studios

Pas Normal Studios

MAAP Jerseys

Sale Components

Shop all Sale Components

Featured Components

New In
New INPEAK Power Meters
Favero Assioma Pro RL-1

Wheels & Tyres

Shop all Wheels & Tyres
Tyres
Wheelsets
Inner Tubes
Wheel Hubs
Wheel Bearings
Wheel Rims
Wheel Spokes
Wheel Axles & Skewers

Gears & Chains

Shop all Gear Components
Groupsets
Chains
Cassettes
Bottom Brackets
Chainrings
Chainsets & Cranks
Derailleurs
Electronic Components
Gear Cables
Gear Levers & Shifters

Brakes

Shop all Brake Components
Brake Pads
Brake Rotors
Brake Cables
Brake Calipers
Brake Levers

Handlebars & Stems

Handlebar Tape
Handlebars
Stems
Aerobars
Headsets

Saddles & Seatposts

Saddles
Seatposts

Power Meters

Power Meters

Pedals & Cleats

Pedals
Cleats

Top Brands

Bontrager
CeramicSpeed
Continental
DT Swiss
ENVE
Lezyne
LOOK
Roval
Scope
Selle Italia
Shimano
Specialized
SRAM
Topeak
Zipp

Wheels

Handlebars

Sale Accessories

Shop all Sale Accessories

Featured Accessories

New In
New Garmin CIRQA
New Garmin Forerunner 170
New Garmin Forerunner 70

Essentials & Maintenance

Water Bottles
Handlebar Tape
Bottle Cages
Cleaners & Degreasers
CO2 Inflators
Electric Pumps
Lights
Locks
Lubricants
Mudguards
Pumps
Puncture Repair Kits
Tools & Toolsets
Workstands

Technology

Shop all Technology
Bike Computers
Sports Watches
Power Meters
Heart Rate Monitors
Rearview Radars
AI Glasses
Headphones

Indoor Training

Turbo Trainers
Smart Bikes
Rollers
Turbo Trainer Accessories

Bags & Luggage

Shop all Bags & Luggage
Saddle Bags
Bike Boxes & Bags
Pannier Bags & Racks
Backpacks
Car Racks
Frame Bags
Handlebar Bags
Protective Cases & Wallets
Top Tube Bags

Top Brands

Bontrager
Dynaplug
Elite
Exposure Lights
Garmin
Lezyne
Muc-Off
ORTLIEB
Park Tool
Restrap
Silca
Supacaz
Topeak
Wahoo
XLAB

Garmin Fenix

Garmin Cirqa

Sale Run & Triathlon

Shop all Sale Run
Shop all Sale Triathlon

Featured Run & Triathlon

New In
New Ciele
New Compressport

Duathlon

Duathlon Kit

Triathlon Bikes

Triathlon Bikes
Triathlon Bike Frames

Triathlon Clothing

Shop All Triathlon Clothing
Trisuits
Triathlon Shoes
Triathlon Shorts
Triathlon Tops
Changing Robes

Shop by Gender

Shop All Men's Triathlon Clothing
Shop All Women's Triathlon Clothing

Triathlon Accessories

Bento Boxes
TT Helmets
Hydration Systems
Laces
Nutrition
Racebelts
Triathlon Sunglasses
Transition Bags
Triathlon Watches

Running

Shop All Running Clothing
Running Shoes
Running Jackets
Running Leggings
Running Shorts
Running Tops
Running Sunglasses

Swimming

Wetsuits
Swimwear
Swim Goggles
Swim Accessories

Top Brands

2XU
Adidas
BlueSeventy
Brooks
Castelli
Ciele
Compressport
Coros
HUUB
New Balance
On Running
Orca
Patagonia
XLAB
Zone3

Adidas

Ciele

Sale Nutrition

Shop all Sale Nutrition

Featured Nutrition

New In
New truefuels
High5 Zero Electrolyte Tablets
High5 Run Bottle Hydration Pack

Energy

Shop All Energy
Energy Bars
Energy Chews
Energy Drinks
Energy Gels

Hydration, Protein & Supplements

Hydration Tablets & Powders
Protein Drinks
Protein Bars
Supplements

Top Brands

Amacx
Clif Bar
Enervit
High5
Maurten
OTE
Pillar Performance
Precision Fuel & Hydration
SaltStick
Science in Sport
Styrkr
TORQ
truefuels
Veloforte

Hydration

Gels

Romain Bardet
Mads Pederson
Danny MacAskill
Tadej Pogacar
Demi Vollering
See all Cafe Rides

Listen here

Latest Articles

Introducing the New SL9
Pinarello DOGMA X vs New DOGMA X
Garmin CIRQA vs Garmin Watch
Alistair Brownlee's Nutrition Guide
New Cervelo Soloist What's Changed

Bike Guides

Best gravel bikes 2026
Gravel vs road bikes
Bike size guide
Best road bikes under £5k
Best endurance road bikes
Best triathlon bikes
Best road bikes 2026

Clothing Guides

Best cycling helmets
Best cycling bib shorts
Best cycling gilets
Best cycling jackets
Best gravel shoes
How should cycling shoes fit
Best winter bib tights
Best winter cycling socks
Best winter cycling gloves
Best summer jerseys

Accessory Guides

Bike lights guide
How to clean your bike
Turbo trainer guide
How to wrap bar tape
Choosing the right Wahoo trainer

Component Guides

Bottom bracket buying guide
How to adjust front derailleur
Bike hub buying guide
Bike seat post buying guide
Bike chain buying guide

Nutrition Guides

Maurten fuel guide
Triathlon nutrition guide
Cycling fueling guide
Why nutrition for cyclists matters
Hydration for cycling

Run & Triathlon Guides

Best triathlon bikes
Best triathlon bike shoes
Best triathlon goggles
Best triathlon running shoes
Best Garmin for triathlon
What is a duathlon?
How to wash a wetsuit
Convert your bike for triathlon
What to wear under a wetsuit
Must have triathlon products
Choosing a triathlon wetsuit
GPS running watch guide
Best triathlon suits for 2026

A

ASSOS
Adidas

C

Cafe du Cycliste
Cannondale
Castelli
Colnago

E

Endura

F

Favero
Fizik

G

Garmin
GOREWEAR

K

Kask

L

Lake

M

MAAP
Maurten
MET

O

Oakley
On Running

P

Pas Normal Studios
Pinarello
POC

R

Rapha
Roval

S

Shimano
Silca
Specialized
SRAM

T

Tacx
Trek

U

Universal Colours

V

Vittoria

W

Wahoo

Z

Zipp

All Brands

Brand A to Z

Universal Colours

Universal Colours

Garmin

Free delivery on all orders over £50

0% APR Finance Available

Rated 5* on Trustpilot

Home
Brand
Newmen

Newmen

Products

Sort By

Newmen
Streem Aero Valve Kit 2.0
£26.95
No reviews yet

Get 10% off your first clothing order when you subscribe to email and SMS

Emails – Roughly one a week — new arrivals, deals, and editorial highlights.

Emails + SMS – All of the above, plus text alerts for the big drops.

Read our Trustpilot customer reviews

Customer Care

Contact Us
Price Match
Product Recalls
Warranty
Terms & Conditions
Privacy & Cookie Policy

About Sigma Sports

About Us
Our Partners
Careers

Shopping Online

My Account
Payment & Delivery
Returns & Exchanges
Reserve & Collect
eGift Vouchers
Offers & Discount Codes
Finance
Cycle to Work Scheme
Cycle Insurance
Industry Discount Programme

Our Stores

Our Stores
Events & Rides
Bike Fitting
Bike Sizing
Workshop Services
Mechanics Courses

Strava
Facebook
Twitter
Youtube
Instagram

© Sigma Sports Limited, The Sidings, Station Road, Hampton Wick, KT1 4HG, UK | Company No: 04842265 VAT No: GB409617585

Terms & Conditions
Privacy & Cookie Policy
Modern Slavery Statement