(function(c,l,a,r,i,t,y){ c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)}; t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i; y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y); })(window, document, "clarity", "script", "p7ud4t96e8"); 12 Speed Rear Derailleurs | Find the best value 12 Speed Rear Derailleurs at Bikesy, the cyclist's bargain finder
  1. Home
  2. 12 Speed Rear Derailleurs

12 Speed Rear Derailleurs

Every day Bikesy seeks out the best deals on offer at the UK's top bikeshops. We put all of that information here, across this site, to help cyclists in the UK find their favourite cycling kit cheaper.

Showing 1-48 of 403 results

Filter / Sort
SRAM Rear Derailleur Cover Kit XXSL T-Type Eagle Axs
SRAM Rear Derailleur Cover Kit XXSL T-Type Eagle Axs
Size:Extra Extra Small2XS Size:LargeL
Save 81%
WAS £21.00
NOW £3.99
See More
See all: SRAM 12 Speed Rear Derailleurs - SRAM
Shimano RD-M9100 P-seal ring Rear Mech
Shimano RD-M9100 P-seal ring Rear Mech
Save 57%
WAS £2.37
NOW £1.01
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Sram Apex XPLR Rear Derailleur
Sram Apex XPLR Rear Derailleur
Black
12 Speed 12 speed
Save 55%
WAS £135.00
NOW £59.99
See More
See all: Sram 12 Speed Rear Derailleurs - Sram
Shimano GRX RX822 Rear Derailleur
Shimano GRX RX822 Rear Derailleur
Size:MediumM Black
12 Speed 12 speed Cage GS
Save 54%
WAS £119.99
NOW £55.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano Deore M6100 Shadow Plus Rear Derailleur
Shimano Deore M6100 Shadow Plus Rear Derailleur
Black
12 Speed 12 speed Long Cage SGS
Save 53%
WAS £64.99
NOW £29.99
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-M9100-GS stabilizer kit unit Rear Mech Spares
Shimano RD-M9100-GS stabilizer kit unit Rear Mech Spares
Save 49%
WAS £19.99
NOW £10.06
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-M7120 SLX 12 Speed Rear Derailleur Shadow+ SGS for Double
Shimano RD-M7120 SLX 12 Speed Rear Derailleur Shadow+ SGS for Double
Black
Save 49%
WAS £84.99
NOW £42.95
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano SLX RD-M7120 12 Speed Shadow+ Double (2x) Rear Mech
Shimano SLX RD-M7120 12 Speed Shadow+ Double (2x) Rear Mech
Black
Save 49%
WAS £84.99
NOW £42.95
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RDR8150 Ultegra Di2 12 Speed Rear Derailleur
Shimano RDR8150 Ultegra Di2 12 Speed Rear Derailleur
Black
Save 47%
WAS £379.99
NOW £199.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano Deore RD-M6100 12 Speed Rear Derailleur, SGS Long Cage
Shimano Deore RD-M6100 12 Speed Rear Derailleur, SGS Long Cage
Save 42%
WAS £64.99
NOW £37.35
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano SLX M7100 Rear Derailleur
Shimano SLX M7100 Rear Derailleur
Black
12 Speed 12 speed Long Cage SGS
Save 42%
WAS £85.00
NOW £48.95
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-R7150 105 Di2 12-Speed Rear Derailleur
Shimano RD-R7150 105 Di2 12-Speed Rear Derailleur
Black
Save 42%
WAS £274.99
NOW £158.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano M7100 SLX Rear Derailleur 12 Speed Shadow+ SGS
Shimano M7100 SLX Rear Derailleur 12 Speed Shadow+ SGS
Black
Save 42%
WAS £84.99
NOW £49.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-R8150 Ultegra Di2 12 Speed E-tube Rear Derailleur
Shimano RD-R8150 Ultegra Di2 12 Speed E-tube Rear Derailleur
Black
Save 42%
WAS £379.99
NOW £219.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-M9100 XTR Rear Derailleur GS 11/12 Speed 10-45T
Shimano RD-M9100 XTR Rear Derailleur GS 11/12 Speed 10-45T
Grey / Black Grey/Black
Save 41%
WAS £214.99
NOW £124.99
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Sram X01 Eagle AXS Rear Derailleur
Sram X01 Eagle AXS Rear Derailleur
Grey Red
12 Speed 12 Speed Lunar 12 speed
Save 41%
WAS £512
NOW £299.00
See More
See all: Sram 12 Speed Rear Derailleurs - Sram
SRAM Apex XPLR 12-Speed Rear Derailleur
SRAM Apex XPLR 12-Speed Rear Derailleur
Save 40%
WAS £135.00
NOW £79.99
See More
See all: SRAM 12 Speed Rear Derailleurs - SRAM
Sram X01 Eagle Rear Derailleur
Sram X01 Eagle Rear Derailleur
Black
12 Speed 12 speed
Save 39%
WAS £247.00
NOW £149.99
See More
See all: Sram 12 Speed Rear Derailleurs - Sram
Shimano Ultegra RD-R8150 Di2 12-Speed Rear Derailleur E-tube
Shimano Ultegra RD-R8150 Di2 12-Speed Rear Derailleur E-tube
Save 39%
WAS £379.99
NOW £229.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
SRAM GX T-Type Eagle AXS Rear Derailleur Cover/Skid Kit
SRAM GX T-Type Eagle AXS Rear Derailleur Cover/Skid Kit
Black
Save 38%
WAS £21.00
NOW £12.99
See More
See all: SRAM 12 Speed Rear Derailleurs - SRAM
Shimano 105 RD-R7150 Di2 12 Speed Rear Derailleur E-Tube in Black
Shimano 105 RD-R7150 Di2 12 Speed Rear Derailleur E-Tube in Black
Black
Save 38%
WAS £274.99
NOW £169.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-M7120 SLX 12-Speed Shadow+ SGS Rear Derailleur
Shimano RD-M7120 SLX 12-Speed Shadow+ SGS Rear Derailleur
Save 35%
WAS £85.00
NOW £55.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
SRAM NX Eagle Rear Derailleur
SRAM NX Eagle Rear Derailleur
Save 35%
WAS £140.40
NOW £89.99
See More
See all: SRAM 12 Speed Rear Derailleurs - SRAM
Shimano SLX M7100 12 Speed Rear Derailleur
Shimano SLX M7100 12 Speed Rear Derailleur
Black
Long Cage
Save 35%
WAS £84.99
NOW £54.99
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-M7120 SLA 12-Speed Shadow Rear Derailleur
Shimano RD-M7120 SLA 12-Speed Shadow Rear Derailleur
Black
Save 34%
WAS £84.99
NOW £56.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
SRAM Apex XPLR D1 Max 44T 12 Speed Rear Derailleur (Mechanical)
SRAM Apex XPLR D1 Max 44T 12 Speed Rear Derailleur (Mechanical)
44T
Save 33%
WAS £135.00
NOW £89.99
See More
See all: SRAM 12 Speed Rear Derailleurs - SRAM
Sram XX SL Eagle T-Type Axs Rear Derailleur
Sram XX SL Eagle T-Type Axs Rear Derailleur
Black
12 Speed 12 speed
Save 33%
WAS £695
NOW £465.00
See More
See all: Sram 12 Speed Rear Derailleurs - Sram
Shimano XT RD-M8100 12-Speed Rear Derailleur Shadow+ GS Medium Cage
Shimano XT RD-M8100 12-Speed Rear Derailleur Shadow+ GS Medium Cage
Size:MediumM Black
GS Cage 45T Max
Save 31%
WAS £109.99
NOW £74.95
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano XT RD-M8100 12-Speed Shadow+ SGS Rear Mech
Shimano XT RD-M8100 12-Speed Shadow+ SGS Rear Mech
Black
Save 31%
WAS £109.99
NOW £74.95
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano SLX RD-M7100 12 Speed Shadow+ Rear Mech
Shimano SLX RD-M7100 12 Speed Shadow+ Rear Mech
Black
Save 31%
WAS £84.99
NOW £57.95
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-M9100 XTR 12-Speed GS 10-45T/Single Ring Rear Derailleur
Shimano RD-M9100 XTR 12-Speed GS 10-45T/Single Ring Rear Derailleur
Black
Save 30%
WAS £214.99
NOW £149.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Sram Apex XPLR Rear Derailleur
Sram Apex XPLR Rear Derailleur
Black
Save 30%
WAS £135.00
NOW £94.00
See More
See all: Sram 12 Speed Rear Derailleurs - Sram
Sram Rival AXS Rear Derailleur D1 12-speed Medium Cage (Battery Not Included)
Sram Rival AXS Rear Derailleur D1 12-speed Medium Cage (Battery Not Included)
Save 30%
WAS £300.00
NOW £209.99
See More
See all: Sram 12 Speed Rear Derailleurs - Sram
Shimano Deore M6100 12 Speed Shadow+ Rear Mech
Shimano Deore M6100 12 Speed Shadow+ Rear Mech
Black
Save 30%
WAS £64.99
NOW £44.95
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Sram GX Eagle AXS T-Type Rear Derailleur
Sram GX Eagle AXS T-Type Rear Derailleur
Black
12 Speed 12 speed
Save 30%
WAS £430.00
NOW £299.00
See More
See all: Sram 12 Speed Rear Derailleurs - Sram
Shimano Deore XT Shadow RD-M8120 12-Speed Rear Derailleur
Shimano Deore XT Shadow RD-M8120 12-Speed Rear Derailleur
Black
Save 29%
WAS £109.99
NOW £78.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano SLX M7120 Rear Derailleur
Shimano SLX M7120 Rear Derailleur
Black
12 Speed 12 speed
Save 29%
WAS £85.00
NOW £59.99
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RD-R7100 105 12-speed Rear Derailleur
Shimano RD-R7100 105 12-speed Rear Derailleur
Black
Save 28%
WAS £59.99
NOW £42.99
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano Deore XT 12 Speed Rear Derailleur
Shimano Deore XT 12 Speed Rear Derailleur
Black
Save 28%
WAS £109.99
NOW £79.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano 105 RD-R7150 Di2 12 Speed Rear Derailleur
Shimano 105 RD-R7150 Di2 12 Speed Rear Derailleur
BLACK
Save 27%
WAS £274.99
NOW £199.99
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
SRAM XX1 Eagle AXS 12 Speed Rear Derailleur
SRAM XX1 Eagle AXS 12 Speed Rear Derailleur
Save 26%
WAS £742
NOW £549
See More
See all: SRAM 12 Speed Rear Derailleurs - SRAM
SRAM Apex Eagle D1 Max 52T 12 Speed Rear Derailleur (Mechanical)
SRAM Apex Eagle D1 Max 52T 12 Speed Rear Derailleur (Mechanical)
52T
Save 25%
WAS £135.00
NOW £99.99
See More
See all: SRAM 12 Speed Rear Derailleurs - SRAM
Campagnolo Super Record Wireless 12-Speed Rear Derailleur
Campagnolo Super Record Wireless 12-Speed Rear Derailleur
Save 25%
WAS £804.99
NOW £599.99
See More
See all: Campagnolo 12 Speed Rear Derailleurs - Campagnolo
Shimano Deore FD-M8100-D XT Front Mech 12-Speed Double Derailleur
Shimano Deore FD-M8100-D XT Front Mech 12-Speed Double Derailleur
Silver
Save 25%
WAS £46.99
NOW £35.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
Shimano RX822 GRX 12spd Shadow+ Mechanical Rear Derailleur in Grey Long
Shimano RX822 GRX 12spd Shadow+ Mechanical Rear Derailleur in Grey Long
Grey
Save 25%
WAS £119.99
NOW £89.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano
SRAM NX Eagle 12-Speed Rear Derailleur
SRAM NX Eagle 12-Speed Rear Derailleur
Default Title
Save 23%
WAS £117.00
NOW £89.95
See More
See all: SRAM 12 Speed Rear Derailleurs - SRAM
Sram Apex XPLR AXS Rear Derailleur
Sram Apex XPLR AXS Rear Derailleur
Black
12 Speed 12 speed
Save 23%
WAS £260.00
NOW £199.00
See More
See all: Sram 12 Speed Rear Derailleurs - Sram
Shimano 105 RD-R7150 Di2 12 Speed Rear Derailleur, E-tube
Shimano 105 RD-R7150 Di2 12 Speed Rear Derailleur, E-tube
Save 23%
WAS £274.99
NOW £210.00
See More
See all: Shimano 12 Speed Rear Derailleurs - Shimano