Bikes and Frames  
Limited Titanium Bike offer
Bikes - City/ Hybrid
Bikes - Cyclocross
Bikes - Full Sus Mountain
Bikes - Hard Tail Mountain
Bikes - Rigid Mountain
Bikes - Road
Bikes - Single Speed/ Track
Bikes - Trailors
Bikes - Trial/ Stunt
Bikes - Touring/ Audax
Bikes - Time Trial/ Triathlon
Bikes - Carbon
Bikes - Steel
Bikes - Titanium
Bikes - On Sale & On Display
Frames - Cyclocross
Frames - MTB FS
Frames - MTB HT
Frames - Road
Frames - Time Trial/ Triathlon
Frames - Touring/ Audax
Frames - Trial Stunt
Frames - Track/ Fixed
Frames - Titanium
Frames - Carbon
  Accessories  
Arm/Leg Warmers
Anti Pollution Masks
Bags - Bike & Wheels
Bags - Handlebar
Bags - Hydration Packs
Bags - Messenger
Bags - Other
Bags - Panniers
Bags - Rucksacks
Bags - Saddlebags
Bags - Suitcase
Bar Ends
Bar Grips
Bar Tape
Base Layers
Baskets
Batterys & Chargers
Bibshorts & Bibtights
Books & Maps
Bottle Cages
Bottles
Bottom Brackets
Brake Blocks & Pads
Brakes - Disc
Brakes - Rim
Brakes - Spares
Brake Levers - Drop Bar
Brake Levers - Flat Bar
Car Racks
Carriers
Cable Adjusters
Cameras
Cable sets & Sensors
Cassettes & Freewheels
Chains
Chainrings
Chain Devices & Guards
Chainsets - MTB
Chainsets - Road
Child Seats
Corkscrew
Cycle Computers
Cleaner - Bike
Cranks
Deraillers front Road
Deraillers Rear Road
Derailleur Band Adapters
Deraillers front MTB
Deraillers Rear MTB
DVD's, Software & GPS Maps
Eyewear/Glasses
Energy/Recovery Drink
Energy/Recovery Food
Energy/Recovery Gels
Forks - Cross/ Touring/ 700C
Forks - Road
Forks - MTB
Fleeces & Hoodies
Gear Levers and Shifters
Gilet Mens & womans
Gloves - Fullfinger
Gloves - Mitts
Groupsets - Complete Road
Groupsets - Complete MTB
Handlebars - Aero
Handlebars - MTB
Handlebars - Road
Headsets
Headset Spacers
Heart Rate Monitors
Heart Rate Monitor - Accessories
Head Wear
Helmets - Road
Helmets - Full Face
Helmets - Kids And Youths
Helmets - Leisure
Helmets - MTB
Hubs
Hoods
Inner tubes
Jackets Waterproof
Jackets Waterproof Lady
Jackets Windproof
Jerseys L/Sleeve
Jerseys L/ Sleeve Lady
Jerseys S/Sleeve
Jerseys S/Sleeve Lady
Kids Clothing
Knee & Elbow Braces & Pads
Kick Stands
Lights- Batteries
Lights - Front
Lights - Rear
Lights - Sets
Locks
Lubrication
Maps - GPS
Mech Hangers
Mirrors
Mudguards
Muscle Creams
Overshoes
Pannier Racks - Front
Pannier Racks - Rear
Pumps - CO2
Pumps - Floor
Pumps - Hand & Mini
Pumps - Shock
Pedals - Cleats
Pedals - Flat + Toe Clips
Pedals - MTB Clip-in
Pedals - Road Clip-in
Racks & Stands
Reflectives
Rear Shocks - MTB
Rims
Rim Tape & Glue
Roof Bars
Roof Boxes + Trays
SatNav/ GPS Systems
SatNav/ GPS System Accessories
Saddles
Seatpost Clamps & cable hangers
Seatposts
Shoes - Off-road
Shoes - Road
Shoes - Triathlon
Shoes - Spinning
Shoes - Touring/ Leisure
Shorts Baggy
Shorts Baggy Lady
Shorts Lycra
Shorts Lycra Lady
Skinsuits
Skewers
Stems
STABILISER
Socks Cycle
Spokes
Tents
T-Shirts
Tights
Tools - Workshop
Tools - Multi-tools
Trousers Mens & Womens
Trainers - Home Turbo
Trainers - Spares
Tyres - Cyclocross
Tyres - 26 inch
Tyres - Road
Tyres - Road Tubular
Tyres - 700C, 29, 28 & 27 inch
Underwear
Van Nicholas Accessories
Van Nicholas Replacement Parts
Watches
Wetsuits
Wetsuits Lady
Wheels - MTB (Pair)
Wheels - Road (Pair)
Wheels - Road Front
Wheels - Road Rear
Wheels - MTB Rear
Wheels - MTB Front
Workstands
custom bikes
Choose product
Home \ Accessories \ Deraillers Rear MTB

The rear derailleur or 'mech' serves double duty: moving the chain between rear sprockets and taking up chain slack caused by moving to a smaller sprocket at the rear or a smaller chainring by the front derailleur. Good advise is to try to stick to the same make and model as the rest of your gearing (they are designed to work best as a complete groupset), however some riders like to run higher spec rear mech to improve the shift and save weight.

Shimano RD-M810 Saint shadow top normal rear derailleur SS
Price £ 90.69
Saving 9%
 
add mad- RDM810SS to basket
 
Shimano RD-M810 Saint shadow top normal rear derailleur SS SKU : mad- RDM810SS
Shimano Deore XT CS-M770 XT 9-speed cassette
Price £ 49.99
Saving 17%
 
add mad-CSM77091 to basket
 
Shimano Deore XT CS-M770 XT 9-speed cassette SKU : mad-CSM77091
Shimano RD-C531 Intergo Rapid Rise short cage rear derailleur
Price £ 32.99
Saving 34%
 
add mad-RDC531SS to basket
 
Shimano RD-C531 Intergo Rapid Rise short cage rear derailleur SKU : mad-RDC531SS
Shimano RD-F700 Capreo rear derailleur SS
Price £ 41.07
Saving 25%
 
add mad-RDF700SS to basket
 
Shimano RD-F700 Capreo rear derailleur SS SKU : mad-RDF700SS
Shimano RD-FT30 Tourney short cage rear derailleur - with hanger ..
Price £ 10.99
Saving 21%
 
add mad-RDFT30B to basket
 
Shimano RD-FT30 Tourney short cage rear derailleur - with hanger bracket SKU : mad-RDFT30B
Shimano RD-FT30 Tourney short cage rear derailleur - direct-mount
Price £ 10.99
Saving 21%
 
add mad-RDFT30D to basket
 
Shimano RD-FT30 Tourney short cage rear derailleur - direct-mount SKU : mad-RDFT30D
Shimano RD-M360 Acera rear derailleur SGS black
Price £ 14.99
Saving 25%
 
add mad-RDM360L to basket
 
Shimano RD-M360 Acera rear derailleur SGS black SKU : mad-RDM360L
Shimano RD-M360 Acera rear derailleur SGS silver
Price £ 14.99
Saving 25%
 
add mad-RDM360S to basket
 
Shimano RD-M360 Acera rear derailleur SGS silver SKU : mad-RDM360S
Shimano RD-M410 Alivio rear derailleur, black
Price £ 19.99
Saving 33%
 
add mad-RDM410SGSL to basket
 
Shimano RD-M410 Alivio rear derailleur, black SKU : mad-RDM410SGSL
Shimano RD-M410 Alivio rear derailleur, silver
Price £ 19.99
Saving 33%
 
add mad-RDM410SGSS to basket
 
Shimano RD-M410 Alivio rear derailleur, silver SKU : mad-RDM410SGSS

Shimano
Shimano RD-M971 XTR SGS rear derailleur - top normal
Saving 8% Price £ 82.99
Shimano RD-M806 Saint rear derailleur SS - top normal
Saving 23% Price £ 57.99
Shimano RD-M662 SLX Shadow top normal rear derailleur GS
Saving 20% Price £ 39.99
Shimano RD-TX71 6 / 7-speed rear derailleur with mounting ..
Saving 35% Price £ 10.99
Shimano RD-TX71 6 / 7-speed direct-mount rear derailleur
Saving 35% Price £ 10.99
Shimano RD-TX31 6 / 7-speed rear derailleur with mounting ..
Saving 21% Price £ 10.99
Shimano RD-TX31 6 / 7-speed direct-mount rear derailleur
Saving 21% Price £ 10.99
Shimano RD-M770 XT GS rear derailleur - low normal
Saving 9% Price £ 45.34
Shimano RD-M770 XT SGS rear derailleur - low normal
Saving 9% Price £ 45.34
Shimano RD-M771 XT GS rear derailleur - top normal
Saving 9% Price £ 49.99
Shimano RD-M771 XT SGS rear derailleur - top normal
Saving 9% Price £ 49.99
Shimano RD-M772 XT GS Shadow design rear derailleur - top ..
Saving 9% Price £ 58.94
Shimano RD-M772 XT SGS Shadow design rear derailleur - top..
Saving 9% Price £ 58.94
Shimano RD-M810 Saint shadow top normal rear derailleur GS
Saving 13% Price £ 86.99
Shimano RD-M972 XTR GS Shadow design rear derailleur, full..
Saving 9% Price £ 127.99
Shimano RD-M972 XTR SGS Shadow design rear derailleur, ful..
Saving 9% Price £ 127.99
Shimano RD-T661 LX top normal rear derailleur SGS
Saving 23% Price £ 46.39
Shimano RD-M662 SLX Shadow top normal rear derailleur SGS
Saving 17% Price £ 41.27
Shimano RD-M592 Deore Shadow rear derailleur long
Saving 24% Price £ 33.99
Shimano RD-M591 Deore top normal rear derailleur
Saving 25% Price £ 29.99
Shimano RD-M970 XTR GS rear derailleur - low normal
Saving 8% Price £ 82.99
Shimano RD-M970 XTR SGS rear derailleur - low normal
Saving 9% Price £ 82.10
Shimano RD-M971 XTR GS rear derailleur - top normal
Saving 8% Price £ 82.99
 
 
Items 0
Order Total 0.00
 

• FREE Delivery on all orders over £50

• Get a VAT Free Bike - Cyclesceme

• Build your own dream bike online

• Shop safely *(your security details)*

• *Current offer*

• Join Fatbirds Cycling Club FREE

• No Charge on Returns - Hassle Free

• Parts Exchange Policy

• Exchange any part free of charge within 7days

• Priority Delivery

• eNews Letters

• European Deliveries

• Massive Staff Experience

• UK Test centre - Test ride any Road Bike please call to book

• Over 100 Road Bikes in Stock and a huge Mountain Bike range

• Full bespoke fitting service in store or online sizing advice with parts exchange Policy

• All bikes checked by trained mechanics before supplied

• SMS integration - receive txt messages with details of your order

  Newsletter Signup
Name

Email
Click here to see
Fat Birds Don't Fly
on BBC news!!

Buy a fatbirds
Gift Voucher
Join fatbirds club

Get a Tax Free Bike
More info>>

Click on a logo to
jump directly to all
products from that brand

Ambrosio
Grammo
Speedplay
Gamut
Shimano
Schwalbe
Time
Van Nicholas
Merlin
Sabbath
Quintana Roo
Polaris
Bottecchia
Cinelli
Fulcrum
Guerciotti
Kryptonite
LOOK
Litespeed
Orange
Ritchey
FREE POSTAGE PRIORITY DISPATCH SMS ORDER UPDATES NO HASSLE RETURNS
About us   |   Delivery Info   |   Terms & Conditons   |   Returns   |   Postage   |   Links   |   Opening Hours   |   Workshop Charges
ecommerce solutions by advansys