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12 Speed Bicycle Parts - Compare offers for Outdoor Recreation near you, and across Ireland

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Bicycle Drivetrain Parts (354)
Bicycle Wheel Parts (33)
Bicycle Small Parts (5)
Bicycle Wheels (1)
Bicycle Groupsets (1)
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FC-R8100 Ultegra 12-speed doub

FC-R8100 Ultegra 12-speed double chainset, 50 / 34 image

FC-R8100 Ultegra 12-speed double chainset, 50 / 34

299.99
My Cycle - Hollingsworth Bikes
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FC-R8100 Ultegra 12-speed doub

FC-R8100 Ultegra 12-speed double chainset, 50 / 34 image

FC-R8100 Ultegra 12-speed double chainset, 50 / 34

299.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura-Ace 12-speed double chainset, 50 / 3 image

FC-R9200 Dura-Ace 12-speed double chainset, 50 / 3

549.99
My Cycle - Hollingsworth Bikes
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Shimano CSR7100 105 12speed cassette 11 34T image

Shimano CSR7100 105 12speed cassette 11 34T

€79.95
Joe Daly Cycles
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Shimano FC-M6100 Deore chainset, 12-speed, 52 mm chainline, 30T, 175 mm image

Shimano FC-M6100 Deore chainset, 12-speed, 52 mm chainline, 30T, 175 mm

€115.00
Joe Daly Cycles
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FC-R9200 Shimano Dura-Ace 12-Speed Double Power Me image

FC-R9200 Shimano Dura-Ace 12-Speed Double Power Me

1,199.99
My Cycle - Hollingsworth Bikes
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FC-RX610 GRX chainset 40T, single, 12-speed, 2 pie image

FC-RX610 GRX chainset 40T, single, 12-speed, 2 pie

149.99
My Cycle - Hollingsworth Bikes
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FD-M8100 Deore XT front mech, 12-speed double image

FD-M8100 Deore XT front mech, 12-speed double

44.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura Ace 12 speed left hand crank arm uni image

FC-R9200 Dura Ace 12 speed left hand crank arm uni

169.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura-Ace 12-speed double Power Meter chai image

FC-R9200 Dura-Ace 12-speed double Power Meter chai

1,199.99
My Cycle - Hollingsworth Bikes
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FC-R8100 Ultegra 12-speed double chainset image

FC-R8100 Ultegra 12-speed double chainset

299.99
My Cycle - Hollingsworth Bikes
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Shimano CS-R8101 Ultegra 12-speed cassette image

Shimano CS-R8101 Ultegra 12-speed cassette

€131.99
The Bike Rack
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FC-R8100 Ultegra 12-speed double chainset, 50 / 34 image

FC-R8100 Ultegra 12-speed double chainset, 50 / 34

299.99
My Cycle - Hollingsworth Bikes
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Shimano RD-R7100 105 12-speed rear derailleur image

Shimano RD-R7100 105 12-speed rear derailleur

€71.99
Wheelworx
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FD-M9100 XTR 12 speed front derailleur double image

FD-M9100 XTR 12 speed front derailleur double

104.99
My Cycle - Hollingsworth Bikes
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Crank Shimano FC-MT611-1 1x12-Speed 32t 175mm Black image

Crank Shimano FC-MT611-1 1x12-Speed 32t 175mm Black

99.99
My Cycle - Hollingsworth Bikes
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FC-R7100 105 double 12-speed chainset, HollowTech image

FC-R7100 105 double 12-speed chainset, HollowTech

159.99
My Cycle - Hollingsworth Bikes
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CS-R8101 Ultegra 12-speed cassette 11 - 30T image

CS-R8101 Ultegra 12-speed cassette 11 - 30T

119.99
My Cycle - Hollingsworth Bikes
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Sram Rival XG1250 AXS 12 Speed Cassette image

Sram Rival XG1250 AXS 12 Speed Cassette

€132.00
Joe Daly Cycles
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RD-M9100 XTR 12-speed rear derailleur, for single image

RD-M9100 XTR 12-speed rear derailleur, for single

214.99
My Cycle - Hollingsworth Bikes
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Garbaruk 12 speed cassette for Shimano Micro Spline image

Garbaruk 12 speed cassette for Shimano Micro Spline

€260.00
The Bike Rack
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RD-M9100 XTR 12-speed rear derailleur, GS medium c image

RD-M9100 XTR 12-speed rear derailleur, GS medium c

214.99
My Cycle - Hollingsworth Bikes
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FC-RX820 GRX chainset 42T, single, 12-speed, Hollo image

FC-RX820 GRX chainset 42T, single, 12-speed, Hollo

229.99
My Cycle - Hollingsworth Bikes
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Shimano CS-HG710 12-speed cassette, 11 - 36T image

Shimano CS-HG710 12-speed cassette, 11 - 36T

€99.95
Joe Daly Cycles
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Shimano CS-R8101 Ultegra 12-speed cassette 11 - 34T image

Shimano CS-R8101 Ultegra 12-speed cassette 11 - 34T

€139.95
Joe Daly Cycles
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FC-M6100 Deore chainset, 12-speed, 56.5 mm chainli image

FC-M6100 Deore chainset, 12-speed, 56.5 mm chainli

99.99
My Cycle - Hollingsworth Bikes
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Bontrager MST-148 Micro Spline 12-Speed Freehub Body image

Bontrager MST-148 Micro Spline 12-Speed Freehub Body

€50.00
Wheelworx
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Shimano CS-M7100 SLX 12-speed cassette 10 - 51T image

Shimano CS-M7100 SLX 12-speed cassette 10 - 51T

€143.99
Wheelworx
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SRAM PG-1210 Eagle Cassette image

SRAM PG-1210 Eagle Cassette

€95.00
The Bike Rack
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Garbaruk 12-speed GEN2.0 Gravel cassette (SRAM XD/XDR freehub) image

Garbaruk 12-speed GEN2.0 Gravel cassette (SRAM XD/XDR freehub)

€299.00
The Bike Rack
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Bontrager MSC-148A Micro Spline v2 12-Speed Freehub Body image

Bontrager MSC-148A Micro Spline v2 12-Speed Freehub Body

€65.00
Wheelworx
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Shimano FC-R9200 Dura-Ace 12-speed double Power Meter chainset, 54 / 40T 172.5 mm image

Shimano FC-R9200 Dura-Ace 12-speed double Power Meter chainset, 54 / 40T 172.5 mm

€1,319.99
Gary's Cycles
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Shimano SHIMANO SLX M7100 12 SPD CASSETTE image

Shimano SHIMANO SLX M7100 12 SPD CASSETTE

€127.00
LK Bikes & Toys Limited
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Shimano SHIMANO CS-R8100 12S CHAINRING image

Shimano SHIMANO CS-R8100 12S CHAINRING

€159.00
LK Bikes & Toys Limited
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FC-M6100-1 Deore 12 speed single chainring, 30T image

FC-M6100-1 Deore 12 speed single chainring, 30T

64.99
My Cycle - Hollingsworth Bikes
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Shimano GRX RX822 12 Speed Rear Derailleur image

Shimano GRX RX822 12 Speed Rear Derailleur

€131.99
The Bike Rack
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RD-RX822 GRX 12-speed rear derailleur, Shadow+ image

RD-RX822 GRX 12-speed rear derailleur, Shadow+

119.99
My Cycle - Hollingsworth Bikes
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FD-R7100 105 12-speed toggle front derailleur, dou image

FD-R7100 105 12-speed toggle front derailleur, dou

44.99
My Cycle - Hollingsworth Bikes
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Shimano CS-R7101 / HG710 -12 speed 105 cassette image

Shimano CS-R7101 / HG710 -12 speed 105 cassette

€87.00
Base 2 Race
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RD-M6100 Deore rear derailleur, 12-speed, Shadow+ image

RD-M6100 Deore rear derailleur, 12-speed, Shadow+

64.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura-Ace 12-speed double chainset, 52 / 3 image

FC-R9200 Dura-Ace 12-speed double chainset, 52 / 3

549.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura-Ace 12-speed double chainset, 50 / 3 image

FC-R9200 Dura-Ace 12-speed double chainset, 50 / 3

549.99
My Cycle - Hollingsworth Bikes
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Shimano SHIMANO R7100 105 12 SPEED CASSETTE image

Shimano SHIMANO R7100 105 12 SPEED CASSETTE

€75.00
LK Bikes & Toys Limited
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FC-R9200 Dura-Ace 12-speed double chainset, 50 / 3 image

FC-R9200 Dura-Ace 12-speed double chainset, 50 / 3

549.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura-Ace 12-speed double chainset, 52 / 3 image

FC-R9200 Dura-Ace 12-speed double chainset, 52 / 3

549.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura-Ace 12-speed double chainset, 50 / 3 image

FC-R9200 Dura-Ace 12-speed double chainset, 50 / 3

549.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura-Ace 12-speed double chainset, 54 / 4 image

FC-R9200 Dura-Ace 12-speed double chainset, 54 / 4

549.99
My Cycle - Hollingsworth Bikes
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FC-M8200 XT Crank set without ring, 12-speed, 55mm image

FC-M8200 XT Crank set without ring, 12-speed, 55mm

149.99
My Cycle - Hollingsworth Bikes
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FC-M7100 SLX Crank set without ring, 12-speed, 52 image

FC-M7100 SLX Crank set without ring, 12-speed, 52

109.99
My Cycle - Hollingsworth Bikes
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SL-M7100-R SLX shift lever, band on, 12-speed, rig image

SL-M7100-R SLX shift lever, band on, 12-speed, rig

41.99
My Cycle - Hollingsworth Bikes
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SRAM XX1 Eagle 12 Speed Rear Derailleur Max 52T image

SRAM XX1 Eagle 12 Speed Rear Derailleur Max 52T

€339.00
The Bike Rack
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RD-R7150 105 Di2 12-speed rear derailleur, E-tube image

RD-R7150 105 Di2 12-speed rear derailleur, E-tube

274.99
My Cycle - Hollingsworth Bikes
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FC-R9200 Dura Ace 12 speed inner chainring, 34T-NK image

FC-R9200 Dura Ace 12 speed inner chainring, 34T-NK

39.99
My Cycle - Hollingsworth Bikes
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RD-R9250 Dura-Ace Di2 12-speed rear derailleur E-t image

RD-R9250 Dura-Ace Di2 12-speed rear derailleur E-t

699.99
My Cycle - Hollingsworth Bikes
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SRAM Shifter Xx1 Eagle Trigger 12 Speed Rear With Discrete Clamp image

SRAM Shifter Xx1 Eagle Trigger 12 Speed Rear With Discrete Clamp

€190.00
The Bike Rack
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Sram Chain Red E1 Flattop WPowerlock 12 Speed 126 LINKS image

Sram Chain Red E1 Flattop WPowerlock 12 Speed 126 LINKS

€100.00
Joe Daly Cycles
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Sram GX T-Type Eagle AXS 12 Speed Rear Derailleur image

Sram GX T-Type Eagle AXS 12 Speed Rear Derailleur

€480.00
The Bike Rack
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FC-R9200 Dura-Ace 12-speed double chainset, 52 / 3 image

FC-R9200 Dura-Ace 12-speed double chainset, 52 / 3

549.99
My Cycle - Hollingsworth Bikes
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Sram Rival AXS E1 12-Speed Rear Derailleur Max 36T (Battery Not Included) image

Sram Rival AXS E1 12-Speed Rear Derailleur Max 36T (Battery Not Included)

€320.00
The Bike Rack
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SHIMANO ULTEGRA SHIMANO ULTEGRA RD-R8150 ULTEGRA DI2 12-SPEED REAR DERAILLEUR E-TUBE image

SHIMANO ULTEGRA SHIMANO ULTEGRA RD-R8150 ULTEGRA DI2 12-SPEED REAR DERAILLEUR E-TUBE

€418.00
LK Bikes & Toys Limited
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