Go to your account

Westbrook Cycles Logo

(+44) 1642 710232

View your wishlist

View your basket

Main navigation

Skip to main content

Shop by category

Cyclocross And Gravel Bikes

Hybrid And Urban Bikes

Pre-Loved And Ex-Display Bikes

Road Bike Frames

Cyclocross And Gravel Frames

Full Suspension MTB Frames

Hardtail MTB Frames

Pinarello Grevil

Electric Mountain Bikes

Electric Road Bikes

Electric Gravel Bikes

Electric Hybrid Bikes

Electric Cargo Bikes

Momentum E-Bikes

Bike Accessories

Locks And Security

Bags And Back Packs

Bikepacking Bags

Commuter Bike Luggage

Bike Storage And Transport

Bike Bags And Boxes

Bike Storage And Display

Tools And Maintenance

Brushes And Cleaning Tools

Degreasers And Cleaning

Grease And Assembly Lubes

Mechanic's Wear

Suspension Servicing

Tubeless Sealant

Wheel Building Equipment

Arm And Leg Warmers

Mountain Bike Goggles

100% Sunglasses And Eyewear

Gravel Bike Shoes

Mountain Bike Shoes

Road Bike Shoes

Spatz Overshoes

Cantilever Brakes

Disc Brake Pads

Disc Brake Rotors

Drop Bar Brake Levers

Road Brake Pads

Mountain Bike Brake Pads

CX/Gravel Bike Forks

Road Bike Forks

Suspension Forks

Rockshox BoXXer

All Rockshox Forks

Marzocchi Forks

MTB Fork Service Kit

MTB Rigid Forks

Scott Road Bike Forks

Suspension Forks For Scott MTBs

Frameset Spares

Chainstay Protectors

Dropouts/Derailleur Hangers

E-Bike Batteries

E-Bike Chargers

Frame Protection

Lock Out Levers

MTB Frame Protection Kits

Comfort Handlebar Grips

Gravel Bike Handlebars

Handlebar Grips

Handlebar Stems

Mountain Bike Stems

Road Bike Handlebars

Road Bike Stems

Gravel Bike Pedals

MTB Clipless Pedals

Pedal Service And Rebuild Kits

Fox Rear Shocks

Rear Shock Springs

Carbon Bike Saddles

Mountain Bike Saddles

Road Bike Saddles

Short Nose Saddles

Alloy Seatposts

Carbon Seatposts

Dropper Seatposts

Seatpost Spares

Puncture Repair

Tubeless Components

MTB Tyre Inserts

Tubeless Rim Tape

Tubeless Sealants

Tubeless Valves

Bottom Brackets

Cranksets E-Bike

E-Bike Chainrings

Electronic Transmission

Front Derailleurs

Gear Shifters MTB

Gear Levers Road

Oversize Pulley Wheels (OSP)

Rear Derailleurs

Downhill MTB Tyres

Gravel Bike Tyres

Hybrid Bike Tyres

Tubeless MTB Tyres

Reflective Bike Tyres

Road Bike Tyres

Tubeless Road Bike Tyres

Winter MTB Tyres

Winter Road Bike Tyres

Aero Road Wheels

All Wheel Spares

Carbon Road Wheels

Complete Wheels

Downhill Wheels

E-Bike Rims And Wheels

Gravel Bike Wheels

High Engagement Hubs

Reynolds Wheels

Helmets & Protection

Commuter Helmets

Full-Face Helmets

Half-Shell Helmets

Kids/Youth Helmets

Road Aero Helmets

Top Suits & Chest/Back Protectors

Protective Shorts

Kids Body Armour

Troy Lee Designs Helmets

POC Body Armour

Endura Knee Pads

Training & Energy

Garmin Mounts And Accessories

Heart Rate Monitors

Elite Turbo Trainers

Garmin Rally Power Meters

Aluminium Gravel Bikes

Carbon Gravel Bikes

Cannondale Gravel Bikes

Cyclocross Bikes

Whyte Gravel Bikes

Dirt Jump Bikes

Downhill Mountain Bikes

Full Suspension

Kids Mountain Bikes

Kids Full Suspension MTB

Lightweight Mountain Bikes

Bergamont Mountain Bikes

GT Bicycles MTB

Giant Full Sus MTB

Giant Hardtail MTB

Scott Full Sus MTB

Scott Hardtail MTB

Whyte Full Sus MTB

Whyte Hardtail MTB

MTB By Frame Material

Bosch Electric Mountain Bikes

Electric Enduro Bikes

Electric XC Mountain Bikes

Full Suspension E-MTBs

Hardtail E-MTBs

Bergamont E-MTBs

Cannondale E-MTBs

GT Bicycles E-MTBs

Whyte Hardtail eMTBs

Whyte Full Suspension eMTBs

Transition E-MTBs

Disc Brake Road Bikes

Endurance/Sportive

Rim Brake Road Bikes

Road Bike Brands

Cannondale Road Bikes

Giant Road Bikes

Cervelo Road Bikes

Pinarello Road Bikes

Kinesis Road Bikes

Colnago Road Bikes

Scott Road Bikes

Road by Frame Material

Carbon Fibre Road

Electric Gravel

Electric Hybrid

Cannondale E-Road

Hybrid And Urban Bikes

Bergamont Hybrid

Bergamont E-Hybrid

Cannondale Hybrid and Urban Bikes

Giant Hybrid and Urban Bikes

Ladies Hybrid Bikes

Scott Hybrid and Urban Bikes

Whyte Urban Bikes

Bergamont Bikes

Cannondale Bikes

Kinesis UK Bikes

Cannondale Ranges

Cervélo Ranges

Pinarello Ranges

Speedster Gravel

Transition Ranges

Bike Accessories

Aero Water Bottles

Carbon Bottle Cages

Chainstay Protectors

Commuter Bike Lights

Front And Rear Light Sets

Helmet Mounted Lights

Mountain Bike Lights

MTB Helmet Lights

Rear Bike Lights

Rechargeable Bike Lights

Road Bike Lights

USB Bike Lights

Lights By Brand

Exposure lights

Mini Bike Pumps

Track/Floor Pumps

Home Bike Locks

Sold Secure Gold

Bike Lock Buying Guide

Bottle & Cage Buying Guide

Mudguards Buying Guide

Bike Saddle Bags

Cycling Kit Bags

Hydration Packs

Mountain Bike Bags

Storage & Transport

Bike Wheel Bags

Mountain Bike Travel Bags

Road Bike Travel Bags

Thule Bike Racks

Seasucker Bike Racks

Towbar Mounted Racks

Cactus Tongue Wall Storage

Evoc Bags & Backpacks

Gear Up Bike Storage

Apidura Bikepacking Bags

Lezyne Bags & Saddle Bags

Restrap Bikepacking Bags

Profile Design Aero Bags

Topeak Storage & Transport

Apidura Range Highlight

Clothing & Protection

Dainese MTB Body Armour

Scott Body Armour

Troy Lee MTB Body Armour

Clothing By Brand

Castelli Clothing

Endura Clothing

Madison Clothing

Mons Royale Clothing

Troy Lee Clothing

Featured Clothing

Castelli Base Layers

Castelli Jackets

Castelli Jerseys

Castelli Shorts

Compression Cycling Clothing

Compression Socks

Endura Base Layers

Hoodies And Sweatshirts

Shorts And Bibshorts

Troy Lee Casual

Helmets By Brand

Scott Bike Helmets

Troy Lee Helmets

Kids Clothing And Helmets

Kids Cycling Jerseys

Kids MTB Helmets

Kids MTB Jerseys

Kids MTB Knee Pads

Kids MTB Shorts

Baggy Mountain Bike Shorts

Camouflage MTB Clothing

Troy Lee Jerseys

Troy Lee Shorts

Troy Lee Trousers

Five Ten Freerider Pro

Five Ten Impact Pro

Five Ten Trailcross

All Five Ten MTB Shoes

Fi'zi:k MTB Shoes

Scott Mountain Bike Shoes

Commuter Cycling Clothing

Reflective Cycling Clothing

Shorts & Bibshorts

Tights & Bib Tights

¾ Cycling Tights

Assos Fall/Winter 2022

Men's Road Shoes

Women's Road Shoes

Fi'zi:k Road Shoes

Scott Road Shoes

Shimano Road Shoes

Sidi Road Shoes

All Enduro Bearings

E-Bike Cassettes

Gravel Bike Cassettes

Mountain Bike Cassettes

Road Bike Cassettes

Shimano 10 Speed Cassettes

Shimano 11 Speed Cassettes

Shimano 12 Speed Cassettes

Sram 10 Speed Cassettes

Sram 11 Speed Cassettes

Sram 12 Speed Cassettes

11 Speed Chains

12 Speed Chains

MTB Disc Brakes

Road Disc Brakes

Aero/TT Handlebars

Carbon Handlebars

Drop Handlebars

Aluminium Mountain Bike Frames

Aluminium Road Bike Frames

Carbon Fibre MTB Frames

Carbon Road Bike Frames

Colnago Road Bike Frames

Cyclocross Frames

Gravel Bike Frames

Kinesis UK Framesets

Gifts For All Occasions

Gifts For Mountain Bikers

Birthday Gifts For Cyclists

Gifts For Road Cyclists

Valentines Gifts For Cyclists

Father's Day Cycling Gifts

Cycling Gifts For Colleagues

Mother's Day Cycling Gifts

Christmas Gift Guides

Stocking Fillers For Cyclists

Ideas For Road Cyclists

Ideas For Mountain Bikers

Ideas For Female Cyclists

Ideas For Commuting Cyclists

View All Gift Ideas

Cleaning Brushes & Tools

Greases, Sealants, Oils & Lubricants

Shimano Mineral Oil

Shimano Bleed Kits

Bottom Bracket Tools

Cassette Lockring Tools

Cassette Removal Tools

Crank Removal Tools

MTB Shock Service Kit

Torque Wrenches

New Bike Ranges And Highlights

Orbea Orca - Praise The Light

2022/23 Whyte Bikes Range Highlight

The New Scott Solace

The New Scott Lumen eRide

The New Scott Scale RC

2023 Scott Genius 900 And Genius ST

2023 All New SuperSix Evo

Cannondale Habit And Habit LT 2023

Scott Brand Focus

The New Orbea Occam SL And LT

Cannondale E-Cargo Bikes

Pinarello Dogma X

Introducing The Cannondale Moterra SL

The New GASGAS MXC

2024 New Scalpel - Hold On Tight

Scott Voltage eRide - See The Light

The All New Scott Ransom 2024

Whyte E-Lyte 140 Works

2023 Cannondale Mavaro Neo 3

Westbrook X Pinarello

Westbrook Welcomes Cervelo

Introducing The GASGAS ECC

2023 Cannondale Tesoro Neo X 2

Cadex Performance Products

2022 The New Scott Spark

Never Not Fun - Cannondale Habit Hardtail

Training & Energy

Indoor Trainers

Smart Turbo Trainers

Turbo Trainer Accessories

Zwift Compatible Trainers

Cyclocross/Gravel Bike Power Meters

Mountain Bike Power Meters

Power Meter Pedals

Road Bike Power Meters

Vegetarian/Vegan Energy Food

Training & Accessories

GPS Cycling Computers

Heart Rate Monitors

Mountain Bike Sale

Gravel Bike Sale

MTB Clothing Sale

Mons Royale Sale

Road Clothing Sale

View All Clearance

Troy Lee Designs Sale

Enduro Bearings

OneUp Components

Transition Bikes

View all brands

Go to your account

View your wishlist

View your basket

Home >
Braking >
Brake Spares >
MM4 Small/ MM6 Large Phenolic Piston-Caliper

MM4 Small/ MM6 Large Phenolic Piston-Caliper

Zoom

HBSP135

Hope Technology
MM4 Small/ MM6 Large Phenolic Piston-Caliper

£6.10

Pre-order yours today

- +

Add to basket Email when back in stock

Description
Delivery
Returns

Replacement MM4 Small/ MM6 Large Phenolic Piston- Caliper

Replacement MM4 Small/ MM6 Large Phenolic Piston- Caliper

Footer

Westbrook Cycles Logo

(+44) 1642 710232

Customer Info
Bike Assembly Guide Bike Part Finder Cookie Policy Privacy Policy Cycle To Work Schemes Discount Codes

Orders
Delivery & Returns FAQ's Terms & Conditions Deko Finance Information Gift Vouchers

Our Store
About Us & Opening Times Careers Blog Contact Us Workshop Pricing

Customer Info

Bike Assembly Guide
Bike Part Finder
Cookie Policy
Privacy Policy
Cycle To Work Schemes
Discount Codes

Orders

Delivery & Returns
FAQ's
Terms & Conditions
Deko Finance Information
Gift Vouchers

Our Store

About Us & Opening Times
Careers
Blog
Contact Us
Workshop Pricing

Sign up to our newsletter for info, news and offers

Social Media

© 2024 Westbrook Cycles . All Rights Reserved.
Ecommerce platform by Remarkable Commerce
Westbrook Cycles Ltd is authorised and regulated by the Financial Conduct Authority, register number 657570 and act as a credit broker and not a lender.
Finance is provided through the Deko platform by Omni Capital Retail Finance Limited.
Omni Capital Retail Finance Limited is authorised and regulated by the Financial Conduct Authority (register number 720279).
Credit subject to status. Missed or late payments may result in additional fees or interest and will affect your credit file and your ability to obtain credit in the future.
Our registered office address is Unit 9 Terry Dicken Business Park, Ellerbeck Way, Stokesley, North Yorkshire, TS9 7AE
VAT no. 409256690

Westbrook Cycles uses cookies. Read more here.

We use cookies to personalise content, ads and to analyse traffic on our sites. By continuing to browse this Website, you consent to the use of these cookies. Read more here.